GLOSSARY. 403 



Diffuse, spreading. 



Dimorphous, two-formed : — applied to a species existing in two 



forms having different colors or markings. 

 Disk, the surface within the margin, — usually between the end of 



the cell and the outer margin. 

 Dorsal, of the back. 

 Dorsum, the back or upper surface. 

 Echinate, set with prickles. 

 Edematous, dull translucent white. 

 Edge, the margin. 

 Egg, the first stage of an insect. 

 Elliptical, in the form of an ellipse. 

 Emarginate, notched. 



Entire, the margin smooth, or without teeth. 

 Epupillate, applied to an ocellate spot included in a colored ring, but 



destitute of a pupil or central dot. 

 Erect, upright. 



Eyes, the organs of sight, composed of numerous hexagonal facets. 

 Face, the anterior or front part of the head. 

 Fascia, a transverse band or broad line. 

 Fasciated, banded. 

 Feet, the organs of motion. 

 Femur, the thigh or third part of the leg. 

 Ferruginous, of the color of iron-rust. 

 Filiform, thread-shaped. 

 Flexuous, zigzag without acute angles. 

 Fuliginous, sooty ; soot-colored. 

 Fulvous, orange-yellow. 



Fuscous, dark brown with a slight mixture of gray. 

 Fusiform, spindle-shaped; gradually tapering towards each end 



from near the middle. 

 Geminate, situated in pairs. 

 Genus, an assemblage of species which correspond in particular 



characters. 

 Glabrous, smooth. 

 Glaucous, gray bluish green. 

 Globular, like a round ball. 

 Glutinous, slimy, viscid. 

 Granulated, covered with small grains. 

 Gregarious, living in society, or many feeding together. 



