Sentence Examples with the word grooved

Mandibles absent in imago, very exceptionally present in pupa; first maxillae nearly always without laciniae and often without palps, or only with vestigial palps, their galeae elongated and grooved inwardly so as to form a sucking trunk.

Hispidus), oryzonzys, Rhithrodontomys (with grooved incisors), Ichthyomys and Anotomys (fish-eating, aquatic forms, from the mountains of South America), Acodon, and the North American wood-rats, or Neotonza, in which the molars have a structure simulating that of the under-mentioned Microtinae.

The oldest, in its present form, is the Paulinerkirche, built in 1229-1240, and restored in 1900, with a curiously grooved cloister; the largest in the inner town is the Thomaskirche, with a high-pitched roof dating from 1496, and memorable for its association with J.

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Mandibles and first maxillae modified as piercers; second maxillae fused to form a jointed, grooved rostrum.

Synaptomys is also North American, and characterized by the grooved After Gould.

It has been found in practice advantageous to prepare the canes for crushing in the mills, as above described, by passing them through a pair of preparing rolls which are grooved or indented in such manner as to draw in and flatten down the canes, no matter in which way they are thrown or heaped upon the canecarrier, and thus prepare them for feeding the first mill of the series; thus the work of crushing is carried on uninterruptedly and without constant stoppages from the mills choking, as is often the case when the feed is heavy and the canes are not prepared.

Carrying the grooved sheaves over 'which the hoisting ropes pass, is known as the head-gear (fig.

The rapid advance in mechanical engineering in the latter part of this second period stimulated the iron industry greatly, giving it in 1728 Payn and Hanbury's rolling mill for rolling sheet iron, in 1760 John Smeaton's cylindrical cast-iron bellows in place of the wooden and leather ones previously used, in 1783 Cort's grooved rolls for rolling bars and rods of iron, and in 1838 James Nasmyth's steam hammer.

The typical representative of the genus is the yellow baboon (P. cynocephalus, or babuin), distinguished by its small size and grooved muzzle, and ranging from Abyssinia to the Zambezi.

Both are deeply grooved in places, and the crags give a hilly aspect to the districts in which they occur.