XIV ENTOMOLOGICAL TERMS. 



Reticulated, wings, with nerves disposed like net-work, 

 as in the Dragon-fly. 



Retractile, head, capable of being drawn at pleasure 

 within the thorax, and concealed there. 



Reversed, wings, deflexed, and the margin of the se- 

 condary wings projecting from under the primary. 



Rigid, antennas, elytra, &c. not flexible. 



Rostrated, standing out like a beak. 



Rostrum, the mouth lengthened out into a snout. 



Rotundated wings, the posterior margin devoid of 

 angles. 



Rugose, wrinkled, marked with waved and elevated 

 lines, either longitudinally or transversely. 



Rurales, a subdivision of the section Plebeii in the 

 genus Papilio, composed of Butterflies with wings 

 having obscure spots, that is, not transparent. 



Sagittated, arrow-shaped. 



Saltatorii, insects having feet, with large thighs formed 

 for leaping, as in the grasshopper. 



Scutellati, Cimices, having a Scutellum as long as the 

 abdomen, and covering it and the wings. 



Scutellum, the hinder part of the thorax, often trian- 

 gular : the side next the thorax divided from it by a 

 suture. 



Serrated, antennae, &c. toothed like a saw. 



Sessile, abdomen, attached to the thorax in its whole 

 breadth; not distant and connected by a filament. 



Seta, a bristle. 



Setaceous, palpi, antennae,&c. growing gradually thinner 

 from the base to the point. 



Setaria, a section in the division of the genus Musca, 

 containing such species as have a simple bristle on 

 the side of the antenna?, in opposition to flumata\ 



