The Shipley Collection of Scientific Papers, Volumen273

Portada
1925
 

Términos y frases comunes

Pasajes populares

Página 204 - The book is attractively got up in a dark green binding and both author and publishers are to be congratulated on the production of a work which will be found indispensable by everybody who sets out to study the butterflies of Ceylon.
Página 253 - Wheeler. Known only from a female specimen taken by Prof. JM Aldrich at Moscow, Idaho. 88. Lasius (Formicina) humilis sp. nov. Worker. Length 1.5-1.7 mm. Head as broad as long, a little narrower in front than behind, with broadly and feebly excavated posterior border and feebly and regularly convex sides. Eyes very small, somewhat larger than in the typical brevicornis, flat, with only about six ommatidia in their greatest diameter. Antennae...
Página 17 - Eyes moderately convex, their anterior orbits at the median transverse diameter of the head. Mandibles narrow, with very oblique 4-toothed apical borders.
Página 207 - General color of venter yellow, except median line and border of abdominal segments fuscous. Genitalia : Female last ventral segment slightly longer than preceding, hind margin with median half produced forming a broad pointed tooth with sinuate sides margined with brown. Male valve triangularly rounded as long as, but narrower than last ventral segment. Plates at base as broad as last ventral segment, twice length of valve, concavely narrowed to round-pointed tips.
Página 209 - MaU, and EG Smyth (E). 4. The Journal of the Department of Agriculture of Porto Rico, Volume IV, No. 1, Root disease investigations, by FS Earle and J. Matz (in press; (E). 5. The Journal of the Department of Agriculture of Porto Rico, Volume IV, No. 2, Changes undergow by the grapefruit in the process of maturation, by FA LOpez Domfnguez (in preparation) (E).
Página 25 - ... slopes of the Rocky Mts. 66. Aphaenogaster fulva subsp. aquia var. azteca Emery. A form closely related to the preceding but more coarsely sculptured. It was described from Mexico without more precise locality. 67. Aphaenogaster uinta sp. nov. Worker. Length 4.5-5 mm. Head subrectangular, a little longer than broad, as broad in front as behind, with straight sides and rounded posterior corners and with a distinct pit-like impression in the median line on the vertex between the eyes. These are...
Página 207 - Female usually rather uniform yellowish, elytra subhyaline, nervures milky white, face with faint arcs. Male head, pronotum, and scutellum brighter yellow ; a faint brown arc either side from apex to black ocelli. Elytra subhyaline, nervures milky white, faintly bordered with fuscous throughout. Face pale brown with six or seven pairs of arcs and lower portion of face pale. Genitalia : Female last ventral segment about equaling preceding, median half of posterior margin with simple, very shallow,...
Página 209 - The mottling or yellow stripe disease of sugar cane, by JA Stevenson (E). 3. The Journal of the Department of Agriculture of Porto Rico, Volume III, No. 4, Yellow stripe diseaM investigations (progress report), by FS Earle, CA Figueroa, ED Coltin, FA Domlnguez, J.
Página 9 - ... on the cheeks and the presence of eyes and ocelli, the eyes being moderately large, rather flat and placed a little in front of the middle of the sides of the head. The petiole is not longer than broad, the gaster more voluminous, with the constrictions between the segments less pronounced than in the worker. The erect hairs on the body and appendages are longer, more abundant and more bristly, even on the antennal funiculi.
Página 207 - Pygofers yellow, ovipositor black. Genitalia : Female last ventral segment a little longer than preceding, lateral angles prominent, hind margin broadly and deeply excavated with sharp, median, black-margined incision.

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