48 THE CANADIAN ENTOMOLOGIST. 



almost bent in the middle, beyond which the heaviest part is found ; 

 this is not large but gibbous, transversely convex, and directed downward, 

 the hooks straight, with a scarcely perceptible separation, together con- 

 tinuing the taper of the centrum, stout and very blunt and heavy at tip, 

 where it is scarcely arched ; lateral arms stout, curving upward and 

 inward at tip, meeting just beyond the tip of the hooks. Clasps abovit 

 half as long again as broad ; the upper process broad and short, squarely 

 docked, scarcely turned upward, but directed backward, a little incurved, 

 the lower angle sharp, but the upper rounded ; above this the posterior 

 margin of the clasp retreats a little, and bears in the middle a broad and 

 short truncate tooth, overhung by the upper process, the base of which is 

 curved over so as to be horizontal, is similar to the lower process, but 

 bears at its lower extremity a long, equal, slightly depressed, incurving 

 finger, nearly half as long as the breadth of the clasp, its bluntly pointed 

 tip touching the extremity of the upper organ. 



Length of fore-wing, male 15.75-16.25 m.m., female 17. -17. 5 m.m.; 

 of antenna, male 7.75-8.4 m.m., female 7.8-8.1 m.m.; of hind tibise and 

 tarsi, male and female 7.75-8 m.m.; of fore tibise and tarsi, male 4.9-5.15 

 m.m., female 5.25-5.3 m.m. 



Described from two males and three females from the Western 

 States. 



PREPARATORY STAGES OF APATELA FELINA, Grote. 



BY G. H. FRENCH, CARBONDALE, ILL. 



Young Larva. — Length .10 inch; body cylindrical; head broader 

 than the body, oblique. Color of the upper part and sides of joints 2, 4, 

 5, 7, 8, 9, 12 and 13, reddish purple ; the rest of the upper part and sides 

 and the venter dull whitish ; six rows of tubercles from which proceed 

 small clusters of brown hairs, the four rows of dorsal clusters longer than 

 the body ; head black ; feet purplish. Duration of this period, 4 days. 



After First Moult : — Length . 2 2 inch ; shape about as before. The 

 joints that were reddish purple during first stage are now black, the 

 others white, the tubercles small, black ; head black ; hairs from the dorsal 

 tubercles dark gray, the others white. Duration of this period, 3 days. 



After Second Moult: — Length .35 inch. Color of the upper part 



