168 BULLETIN UNiVERSITY OF MONTANA. 



Sagittate, arrow-shaped. 



Sanguineous, of the color of arterial blood. 



Scabrous, rough, with projecting points. 



Scales, the dust or imbricated pieces covering the wings. 



Secondaries, the hind wings of Lepidoptera. 



Segment, a ring or division of the body. 



Sericeous, silky. 



Serrate, saw-toothed. 



Sessile, connected with the part to which it is attached without the in- 

 tervention of a peduncle or stalk. 



Seta, a bristle. 



Sinuate, indented. 



Sinuous, curving, winding or folding. 



Sinus, an indention of execution. 



Sparse, scattered. 



Species, an assemblage of individuals possessed of permanent charac- 

 teristics of size, color, and ornamentation, by which they may be dis- 

 tinguished from other forms, and which breed true to their type. 



Spinous, armed with spines. 



Spiracle, breathing-holes on the side of the body; the stigmata. 



Sporophylls, as applied to Botany, leaves which produce only spores. 



Sprinkled, marked with thinly-scattered scales of another color than the 

 ground color. 



Stigmata (singular Stigma), the breathing-holes on the sides of the body; 

 also, sometimes, spots on a wing. 



Stigmated, resembling stigmata. 



Striae, lines; transverse elevated lines on eggs. 



Striate, marked with lines. 



Stridulator, a locust, grasshopper, or other insect that makes a musical or 

 shrill sound by rubbing together specially hardened parts of the body. 



Subapical, situated below the apex. 



Subcosta, the subcostal vein, situated behind and near the costal vein of 

 an insects wing. 



Submarginal, applied to a space or line within the margin. 



Subocellate, applied to an ocellus without a pupil. 



Suffused, blurred with a color other than the usual one. 



Sulphureous, bright yellow; the color of sulphur. 



Tail, the terminal segment of the abdomen; an appendage at the posterior 

 part of the hind wings. 



Tarsi, the feet. 



Tawny, dull yellowish brown. 



Terminal, at the extremity 



Testaceous, tile or brick color. 



Thorax, that part of the body which is back of the head. 



Tibia, that part of the leg which is next to the foot. 



Tippet, one or two scale-like appendages of the pronotum of Lepidoptera. 



Tongue, the sucking-tube of Lepidoptera. 



Tosidity, a lethargic state of hibernation. 



Translucent, semi-transparent. 



