(a) Every move that developes a piece, without giving the opponent a good chance of doing the same, is a distinct gain of time. Formerly White in this Opening played at an early stage PXQP. This liberated Black's QB, and gave him quite as much freedom of action as White had. 4. B to KKt5 has mostly been played of late; but, except that it occasionally enables White to surprise Black on the K's side if he is injudicious enough to Castle too early, nothing much comes of that move. (b) We cannot approve of this capture. In the first instance, White establishes a piece on K4, from whence it can only be effectually displaced by P to KB4 on the part of Black, which move, however, would leave his KP weak. Then again, by playing PxP Black secures White's position, and removes a weakness in White's game, which ought to help Black in his development. For instance, by leaving the P en prise, and playing B to Kt5, Black at once threatens to win a P. He therefore compels White to do something, and thus gains time for development. If in reply to 4. B to Kt5 White plays 5. B to KKt5, the position is that of the game between Gunsberg and Mason at the Hamburg Tournament, in which the latter continued with 5. P to KR3. 6. Bx Kt, Qx B. 7. P to K5, Q to K2. 8. Q to Kt4, Q to Kt4, &c. (c) Had Black Castled, Herr Schallopp intended to proceed with 8. Kt x Kt, B x Kt. 9. P to KKt4, instituting an attack on the K's side. (d) Not knowing how to act, Black intends to seek an opening on the Q's side in a very round-about way. All things considered, it would have been the lesser evil for Black to have chosen the following line of play :-9. Kt to Q4. 10. B to Q2, P to B4. 11. Kt to Kt3, B to B3, &c. (e) White's attack is both energetic and original, the game throughout does not follow the conventional lines which by most players are too anxiously adhered to in match play. (f) Black is actually driven to this resource for bringing his Q out of the way, to enable him to Castle. (g) Every move of White is played with telling effect. If Black takes the proffered P, White would further improve his game by Kt (K4) to Kt5. (h) Going at once for the isolated RP. (i) It is quite refreshing to see such a splendid example of originality and enterprise in attack. White, not content to win by the P he has gained, gives up the piece to obtain two passed P's. (3) Herr Schallopp thinks that KR to Kt sq. would have been better, for subsequently Black moved his Kt, and brought the Q to bear on the KR, thereby retarding White's advance. (k) The game is full of interest at every step. If Black had played Rx R, White could proceed with 27. B to K4, followed by P to R6 or Qx R. In any case White has several ways of winning. (1) Threatening mate. (m) Leaving no square for Black to retire his Q. (n) A desperate effort to open White's game with a view to a perpetual check. (o) The game extended another dozen moves or so, after which Blackburne had to resign, his ingenious efforts having been of no avail. Mr. R. A. Proctor's Lecture Tour. 1. LIFE OF WORLDS 2. THE SUN 3. THE MOON Subjects: 4. THE PLANETS 5. COMETS AND METEORS 6. THE STAR DEPTHS Each Lecture is profusely illustrated. Arrangements are now being made for the delivery of Lectures by Mr. Proctor from August onwards. Communications respecting terms and vacant dates should be addressed to the Manager of the Tour, Mr. JOHN STUART, Royal Concert Hall, St. Leonards-onSea. Aug. 20, 21, Eastbourne; Aug. 22, Tunbridge Wells; Aug. 25, 26, Folkestone; Aug. 27, 28, Matlock-Bath; Aug. 29, 31, Burtonon-Trent. Sept. 1, Burton-on-Trent; Sept. 2, 8, 11, 15, York; Sept. 3, 4, Bridlington; Sept. 7, 9, 10, Scarborough; Sept. 14, 16, 21, 22, Harrogate; Sept. 17, 18, Whitby; Sept. 24, 25, Ilkley; Sept. 28, 29, Derby. Oct. 3, 17, Malvern; Oct. 31, Marlborough College. 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"It may be safely recommended in the many cases for which concentrated meat juice is now so generally prescribed." -Medical Times and Gazette, January 31st, 1885. "In every respect of the highest quality which preserved provisions are capable of attaining. The flavour of this preparation is excellent." -British Medical Journal, May 23rd, 1885. Ask for the "LION" Brand. In Glass, 3s. 6d. per bottle. In Tins, 38. and 1s. 6d. per tin. Of Chemists or from the Manufacturers post free. THE LONDON MANUFACTURING COMPANY. LION SAUCE. 59 TO61. HATTON GARDEN LONDON.E.C. The SWISS DAIRY COMPANY'S LUCERNE PURE MILK, Concentrated, in Tins Closed by Patent Process (Not Soldered). Analysis and Opinions in its favour by Prof. JOHN ATTFIELD, Ph.D., F.C.S., Professor of Practical Chemistry to the Pharmaceutical Society, London. Dr. N. NORMAN TATE, F.I.C., Liverpool, and other authorities. "Pure, rich, wholesome, fragrant Cow's Milk from which nothing but part of its water has been abstracted." 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The Bread made by the Company's original and recent Patents, contains all the nourishment of the Wheat in the Loaf; is perfect as a digestive Food, and untouched by hand in its entire manufacture. Depots in principal London Districts. Offices: 2, Whitecross Street, London, E.C. CHATTO & WINDUS, PUBLISHERS. POPULAR ASTRONOMY. By J. RAMBOSSON, A SYNOPSIS OF THE BACTERIA AND YEAST- WORKS BY RICHARD A. PROCTOR, Editor of FLOWERS OF THE SKY. With 55 Illustrations. EASY STAR LESSONS. With Star Maps for Every cloth extra, 7s. 6d. Crown 8vo., ROUGH WAYS MADE SMOOTH. Familiar Essays LONDON: CHATTO & WINDUS, Piccadilly, W. OUR PLACE AMONG INFINITIES: Crown 8vo., cloth extra, 6s. THE EXPANSE OF HEAVEN. Crown 8vo., cloth SATURN AND ITS SYSTEM. With 13 Steel Plates. THE GREAT PYRAMID: Observatory, Tomb, and MYSTERIES OF TIME AND SPACE. With Illus- WORKS BY Dr. ANDREW WILSON, F.R.S.E. CHAPTERS ON EVOLUTION: A Popular History of the Darwinian and Allied Theories of Development. Second Edition. Crown 8vo., cloth extra, with 259 Illustrations, 78. 6d. LEAVES FROM A NATURALIST'S NOTEBOOK. MR. R. A. PROCTOR'S LECTURE TOUR, AUGUST, 1885, to APRIL, 1886. Each Lecture is Profusely Illustrated by the aid of the Lime Light, SUBJECTS. Lecture I.-LIFE OF WORLDS. NATURE shows us development on many scales-In the Solar System there are orbs in various stages of growth-Law for distinguishing the younger from the older-The Sun an infant orbEvidence that he is young (not in years but in development)—Fiery youth of a Planet-Jupiter and Saturn shown to be in this stageMid-life of a Planet: our Earth as an example-Planetary old age: seen in Mars-Decrepitude and death of Planets-Our Moon shown to be a dead world,-airless, waterless, lifeless-Summary and conclusion. Lecture II.-THE SUN. Ruler, Light, and Life of the Solar System-The Sun as an Emblem of Deity-His distance, size, and might-His light and heat-Condition of his substance-The Sun Spots-The FaculaThe Mottling of the Solar Disc-The Solar Willow Leaves or Rice Grains-The vast size of these seemingly small objects-Their probable nature-Solar Hurricanes and Cyclones-The Coloured Prominences-Their Nature-Solar Outbursts-The Sun's CoronaIts extension-Its probable compound nature-The Zodiacal Light -Probable duration of the Sun's Light and Heat in the past and in the future-Other Suns than ours-Summary and conclusion. Lecture III.-THE MOON, AS SATELLITE AND AS PLANET. The Moon's antiquity-Evidence showing how old she must be— In reality a companion Planet-Distance-Size-Surface-MassIntense heat of surface by day-Intense cold by night-Study of the Moon's telescopic aspect-Her Craters-Mountain RangesPlains-So-called Seas-Evidence of past activities-Her past fit. ness for life-Absence of water-Atmosphere wanting or exceedingly thin-Evidence she gives as to probable future of our EarthThe law of death on the larger scale - Universal death Universal renovation-Summary and conclusion. Lecture IV. THE PLANETS. The Origin of the Solar System-Its division into FamiliesThe Giant Planets-The Terrestrial Planets-The Minor Planets or Asteroids-Satellite Families-Infinitude of smaller bodies-The Planet Jupiter-Cannot be inhabited-His probable work in relation to life-The great Red Spot on Jupiter-Saturn-His Ring System evidence of youth-Its nature-His Cloud zones and their changes -His family of dependent worlds-Venus and Mercury-Presence of Oceans on Venus-Her atmosphere-Mars as an abode of LifeThe Moon as a Planet-Past and future of our Earth-Summary and conclusion. Lecture V.-COMETS AND : METEORS. Fanciful notions about Comets-First scientific study of themTycho Brahe-Kepler-Newton's Comet-Halley's-Return of Halley's Comet in 1759 and 1835-Donati's Comet-Its physical changes its triple tail-Comets of 1861, 1843, 1811, &c. &c.Small Comets-Encke's Comet-Biela's Divides into two-Is lost -Falling Stars-Star Showers-Meteor Streams and Systems associated with Comets-November Meteors-August MeteorsBiela's Comet seen again in a meteor shower-Meteorites-Large Aerolites-Gathering of Meteor Streams and Cometic Systems near Sun-Evidence during Solar Eclipses-Summary and conclusion. Lecture VI.-THE STAR Solemn Stillness of the Star Depths-Real and Stupendous Arrangements are now being made for the delivery of Lectures by MR. PROCTOR from August onwards. All communications respecting terms and vacant dates should be addressed to the Manager of the Tour, Mr. JOHN STUART, Royal Concert Hall, St. Leonards-on-Sea. LONGMANS, GREEN, & CO. PATERNOSTER ROW, LONDON. "KNOWLEDGE" LIBRARY SERIES. 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