LEPIDOPTERA. 
377 
18. No costal fold or tibial pencil 19 
Tibial pencil^ but no costal fold 22 
Costal fold, but no pencil 23 
„ and pencil 33. Antigonus. 
19. Third joint of the palpi cylindrical, thread-shaped, long, horizontally por- 
rected 21. Ismme, 
„ „ conical, depressed, seldom reaching much beyond 
the bristly scaling of joint 2 20 
20. Subcostal nervure of fore wings arises before the middle of the median 
nervure 21 
„ „ „ „ arises at or beyond the middle. 
24. Thracides. 
21. An oblique band runs to the hinder angle of the fore wings. 
22. Cec7'optei'us. 
No such band on the fore wings 25. Astycus. 
22. 3rd joint of the palpi obtusely egg-shaped, reaching little beyond the 
scantily bristled middle joint, oblique band in cell 1 h contracted 
towards the base 23. Pterygospidea. 
Fore wings with distinct white spots in colls 2, 3, and in the middle 
cell ; middle spurs wanting in many species. 
26. Pythonides, 
All the wings without white spots (fore wings with white costal dots), 
except a row of white dots running through the middle of both pairs. 
All the species with middle spurs 27. AcJdyodes. 
23. Club of the antennae thickest before the middle. 
28. Telegonus. 
„ „ thickest in the middle 24 
24. Third joint of the palpi linear 30. Pharcas. 
„ „ forming a short club. "Wings with very large 
transparent spots . . 29. Phanus, 
„ „ conical, somewhat depressed 25 
25. Middle cell and cell 2 of fore wings with a large pale triangle. 
31. Plesioneura. 
„ „ „ „ no such triangle. 
32. Nisoniades. 
Herrich-Schaffer describes and figures (Stettin, entom. Zeitung, 1869) 
the following species of this family previously described by Hewitson : — 
Hesperilla dhpliia. Hew. (^—Telesio douhledayi, Felder), p. 79, pi. 3. fig. 10; 
Hesperilla docUa, Hew. {—Tel. kochii, Feld.), p. 80, pi. 3. fig. 12 ; Trapezites 
petalia, Hew., pi. 3. fig. 11 ; T. eliena, Hew., pi. 3. fig. 13 ; T. phigalia, Hew.^ 
pi. 3. fig. 15. He remarks (p. 80) on the last two species, which he is inclined 
to regard as sexes. These are all refigured, Samml. aussereurop. Schmett. 
ii. figs. 112-116, 117. 
Hesperia. Hewitson (Ex. Butt. 70, April 1869, Hespetia, pi. 4) figures the 
following species previously described by him ; — II. paleea, f. 31 ; H. feraliaj 
f. 32; II. propei'tius, Fabr. {—II inctnuca, Hew. olim), f. 33, 34 ; II ahnoda^ 
f. 35 ; II. cunaxa, f. 88, 39 ; II wimaculata, f. 41. 
Sc UDDER publishes a description by Harris of the larva of an American 
species of this family. Harris Correspondence, p. 281. 
He also (Trans. Chic. Acad. Sci. i.) describes a variety of Hesperia napa, 
