GLOSSARY. 407 



Ribs, ridges on eggs from the base to the apex. 



Roseus, rose color. 



Rosy rose color. 



Rufous, reddish. 



Rugous, or Rugose, wrinkled. 



Sagittate, arrow-shaped. 



Sanguineous, of the color of arterial blood. 



Scabrous, rough, with projecting points. 



Scales, the dust or imbricated pieces covering the wings. 



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 



intervention of a peduncle or stalk. 

 Seta, a bristle. 

 Sexes, the two divisions of animals : in insects distinguished by £ 



for male and 9 for female. 

 Sinuate, indented. 



Sinus, an indentation or excavation. 

 Sparse, scattered. 

 Species, an assemblage of individuals possessed of permanent char 



acters of size, color, and ornamentation, by which they may be 



distinguished from other forms, and which breed true to their 



type. 

 Spinous, armed with spines. 



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

 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. 

 Strice, lines ; transverse elevated lines on eggs. 

 Striate, marked with lines. 



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. 



