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abdomen adult female anal angles antennae anterior apex apical appearance basal base body broad brown cephalothorax characters claw close collection color covered crystals curved dark described developed diameter distinct dorsal dorsal plate ducts edge eggs entirely face fifth figure four fourth legs front genital segment genus grains hair half head hind inner joints laminae larger larva lateral legs length less lobes located longer longitudinal male margin Maskell material median middle mineral narrow NATIONAL MUSEUM nearly opening outline pair pale placed plate pointed pores portion posterior present processes rami region rounded sands separated setae short side single slender slightly slits species specimens spines spiracles stage stout strongly surface tergite terminal third thorax tibiae titanite transverse usually ventral wide width wings yellow
Page 9 - Typically the integument is spinose. There is no cephalic cone. The oral sucker measures about 0.5 mm. in diameter; the near-by acetabulum, 2 to 3 mm. The intestinal ceca are unbranched.
Page 27 - ... in freshly broken pieces of an ash-colored rock. Before disturbance they appear to have been mostly entire and preserved nearly in conjunction. They are black, and their interior is occupied with crystalline calcite.
Page 29 - ... of their products being made from Mexican and American coins. The silver is either cold-hammered or melted in open crucibles by the use of charcoal and flux, with blast produced by bellows having two air sacks of leather with valves, which appear to have been introduced from Spain by way of Mexico. Much metal is wasted in the operation. It is brought into final shape by hammering, punching, chasing, and engraving. The objects made are mainly personal ornaments, such as buttons, ear ornaments,...
Page 1 - ... a closer association of the means of illumination with the life of man. The smoking torch, for example, is utilized for open-air illumination, while the candle enters the house and companionship of the family. Following the torch in the line of development comes the lamp, which separated from the stem of the torch at a period when oils and fat came to be used. This may have occurred...
Page 27 - Its ball is 3J lines by 2J thick. The width at the anterior zygapophyses is half an inch. Hypapophyses for the articulation of chevrons are situated one-fourth the length of the body from the posterior extremity. A tooth was found, after careful search, in proximity to what appear to be traces of the skull.
Page 3 - FISCAL YEAR 1921-22.1 Aldrich, JM Two-winged flies of the genera Dolichopus and Hydrophorus collected in Alaska in 1921, with new species of Dolichopus from North America and Hawaii: Proc. US Nat. Mus., vol. 61, art. 25, no. 2446, May 3, 1922, pp. 1-18. Alexander, Charles P. Undescribed species of Costa Rican flies belonging to the family Tipulidae in the United States National Museum : Proc. US Nat. Mus., vol. 60, art. 25, no. 2420, Apr. 25, 1922, pp. 1-7. Allen, Glover M. (See under Thomas Barbour.)...
Page 3 - Those most usually present are two pairs of antennae,* a pair of mandibles, two pairs of maxillae, and a varying number of maxillipeds and walking-feet.