Smithsonian Miscellaneous Collections, Volumen 14Smithsonian Institution, 1878 |
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Otras ediciones - Ver todo
Términos y frases comunes
1st segment 2d segment abdomen abdominal segment abdominisque alis angles angulate antennæ anteriorly antice apice arcuate base beneath bidentate bidentato Cape Cod Cape Hatteras clypeus coarsely punctured Cod to Florida concavity convex coxæ crenulate cribrose densely punctured edges elongate Eumenes excavated fascia ferrugineis ferruginous finely punctured flagellum flavis flavo frontali genus Gill Greenland groove Head and thorax Insect black lengthened macula subalari mandibles margin of prothorax margined with yellow mesothorax metanoto metathorax Montezumia niger nigris nigro notched Odyn Odynerus ornaments palpi pedibus petiole piriformi post-scutel posterior postice primo segmento pronoti margine prothorax punctato puncto pyriform Regnault Ress ridges rounded rufis rufous rugose SAUSS SAUSS.-Niger scape scapo scutel scutelli scutellum second segment sessile side slender species Stenodynerus strongly punctured subtus summit superior face superne suture tarsi tegulis terminated thorax tibiæ Topsoë Total length transverse truncate utrinque valde Vespides wide wing scales yellow spots Zethus Zool
Pasajes populares
Página 47 - ... that an insensible gradation shall take place from a coarse cluster like the Pleiades down to a milky nebulosity like that in Orion, every intermediate step being represented. This tends to confirm the hypothesis that all are composed of stars more or less remote.
Página 47 - If this matter is self-luminous, it seems more fit to produce a star by its condensation than to depend on the star for its existence.
Página 61 - Astronomical observations and experiments, selected for the purpose of ascertaining the relative distances of clusters of stars, and of investigating how far the power of our telescopes may be expected to reach into space when directed to ambiguous celestial objects.
Página 47 - Nebulae can be selected so that an insensible gradation shall take place from a coarse cluster like the Pleiades down to a milky nebulosity like that in Orion, every intermediate step being represented.
Página 51 - TO INSTITUTIONS. The publications of the Smithsonian Institution are furnished : — 1st. To Learned Societies of the first class, which present complete series of their publications to the Institution. 2d. To Libraries of the first class, which give in exchange their catalogues and other publications; or an equivalent, from their duplicate volumes.
Página 15 - W. Converging series, expressing the ratio between the diameter and the circumference of a circle.
Página 316 - ... stethidium black ; collar and wing scale ferruginous ; scutel with two yellow spots ; metathorax with a transverse, yellow line, and at the base each side a large ferruginous spot ; wings a little fuliginous ; pleura with a yellow or ferruginous spot beneath the superior wings ; feet ferruginous ; tergum black with six broad, bright yellow bands ; first segment ferruginous excepting the posterior margin, with a black spot in the middle ; second segment with a large ferruginous spot each side,...
Página xii - ... of the layers, of their reconstruction under new forms, allows us to draw an inference by analogy as to the more ancient transformations, and the agents which have produced them ; so the study of species, and of their actual existing transformations seems likely to enable us to follow up the chain of these transformations to a point more or less close to their origin.