NEUROPTERA.—ODONATA. 
PLATE VII. 
[Figg. 4, 5, 10, and 11 are from photographs by Dr. Henry Skinner ; all the others have been drawn 
with the aid of the camera lucida. | 
Figg. 1-3. Progomphus zonatus, Hagen, ¢. Rincon. Ventral, dorsal, and left profile views of the apex of 
the abdomen and appendages. x 6. 
4, P. pygmeus, Selys, $. San Gerdnimo. Wings, right side. x17. 4a. Detailof front wing. x 4°. 
5. Erpetogomphus viperinus, Selys, 2. Zapote. Wings, right side. x 1:12. 5a. Detail of front 
wing. xX 5. , 
. Philogenia carrillica, sp.n., $. Carrillo. Left profile and dorsal views of apex of abdomen and 
appendages. x 15. 
8, 9. Progomphus clendoni, sp. n., ¢. Tuxpan. Left profile and ventral views of apex of abdomen and 
appendages. x 6. 
10. Gomphoides volsella, sp.n., d. Teapa. Wings,rightside. x 1:12. 10a. Detail of front wing. x 5. 
11. Cyanogomphus(?) tumens, sp. n., Q. Atoyac. Wings, right side. x 17. Illa. Detail of front 
wing. xX 4°5. 
12. Philogenia carrillica, sp.n., ¢. Carrillo. Ventral view of inferior appendages. x 165. 
13, 14. Gomphoides volsella, sp. n., ¢. Teapa. Dorsal and left profile views of apex of abdomen and 
appendages. x 5°83. (Fig. 14 shows the inferior margin of seg. 9 too straight ; it should be convex.) 
15, 16. G. protracta, Selys, S$. Teapa. Dorsal and left profile views of apex of abdomen and appen- 
dages. x 5:3. 
17, 18. G. ambigua, Selys, 3. Guadalajara. Dorsal and left profile views of apex of abdomen and 
appendages. x 53. 
19, 20. G. suasa, Selys, g¢. Escazu. Dorsal and right profile views of apex of abdomen and appendages. 
x 53, 
21-23. Leptobasis bovilla, sp. n., g. Escondido River. 21. Postero-superior oblique view of the 
mesothoracic horns from the right side; the dotted lines show the two edges, right and left, of 
the mid-dorsal dark stripe, the solid line between them represents the mid-dorsal carina. 
22, Antero-superior oblique view of the abdominal appendages from the left side. 23. Left profile 
view of apex of abdomen and appendages. x 18. 
24-27, Erpetoyomphus eutainia, sp. n., 6. Rio Papagaio. 24. Penis and vesicle from the right 
side. x 13. 25. Hamules, right side. x 13. 26, 27. Dorsal and left profile views of apex of 
abdomen and appendages. x 8d. 
28. E. cophias, Selys, ¢. Cuernavaca. Left profile view of apex of abdomen and appendages. x 8°5. 
29. E. compositus, Hagen, 3. Florence. Left profile view of apex of abdomen and appendages. x 8°d. 
30-32. E. ophibolus, sp. n., d. Atoyac. 30,31. Dorsal and left profile views of apex of abdomen and 
appendages. x 8:5. 32. Penis, vesicle, and hamules from the right side, inverted. x 15. 
33. E. cophias, Selys, 9. Omilteme. Ventral view of ninth and part of eighth abdominal segment. x 8. 
(The two lobes of the vulvar lamina should have been shown as actually in contact with each 
other, instead of almost touching.) 
34. E. sipedon, sp. n., @. Guadalajara. Ibid. x 8. 
35. E. diadophis, sp.u., @. Texas. Ibid. x 8. 
36. Epigomphus quadracies, Calvert, 9. Chiriqai. Occiput and ocelli from in front. x 9. 
37. E. subobtusus, Selys, 9. Caché. Ibid. x 9. 
38, Erpetogomphus compositus, Hagen, 9. Arizona (C. U. lot 35). Ibid. x 9. 
39. E. eutainia, sp.n., d. Rio Papagaio. Ibid. x 9. 
40. E. sipedon, sp. n., Q. Forma. Guadalajara. Ibid. x9. 
41. Cyanogomphus(?) tumens, sp.n., Q. Atoyac. Ibid. x 5. 
42. Erpetogomphus sipedon, sp.n., Q. Form 6b, Cuernavaca. Ibid. x 9. 
43, E. viperinus, Selys, 2. Zapote. Ibid. x 9. 
44, E. elaps, Selys, 2. Tepetlapa. Ibid. x 9. 
45, E. cophias, Selys, Q. Omilteme. Ibid. x 9. 
46. E. ophibolus, sp.n., d. Atoyac. Ibid. x 9. 
47. E. diadophis, sp.n., Q. Texas, Ibid. x 9. 
