NEUROPTERA.—ODONATA. 
PLATE X. 
[All the figures on this Plate, with the possible exception of figg. 55, 56, have been 
drawn with the aid of the camera lucida. | 
Fig. 1. Lestes henshawi, sp. n., d. Camino de la Palma, April 1905. Oblique view of the right sup. and 
inf. apps. x 22. CS 
2. Argia gaumeri, sp.n., ¢. Fuerte de San Felipe, Feb. 15, 1905. Profile view, left side, apex of 
abdomen. 2s, oblique dorsal-inner view of right sup. app. x 22. 
3, 3s. A. terira, sp. n., ¢. Camino de la Palma, April 1905. Id. x 22. 
4,48. A. difficilis, Selys, 6. Esparta, Jan. 1905, Id. x 22. 
5. A, adamsi, Calv., 9. Surubres, Feb. 1905. Anterior end of mesothorax, showing mesostigmal 
lamine*. x 22. 
6, 7,8. A. pulla, Hagen. Pair, 8. Pedro Sula, Feb. 28, 1905. 6, 7. Left profile and inferior views of 
apex of abdomen, ¢. 8. Anterior end of mesothorax*, 9. x 22. 
9,10, 11. A. frequentula, sp.n. Pair, San Pedro Sula, Feb. 28, 1905. 9, 10. Left profile and inferior 
views, apex of abdomen, g. 11. Anterior end of mesothorax*, 29. x 22. 
12, 12s. A. johannella,sp.n., d. Juan Vilas, March 18,1902. Left profile view, apex of abdomen, and 
oblique dorsal-inner view of right superior appendage. x 22. 
13. Dythemis cannacrioides, Calv., §. San Isidro, Ventral view, inferior appendage. x 12. (To 
replace Tab. VIII. fig. 43.) 
14, Argia terira, sp. n., 2. Camino de la Palma, April 1905. Anterior end of mesothorax*. x 22. 
15, 15s. A. pocomana, sp.n., ¢. Mazatenango, Feb. 3, 1905. Left profile view of apex of abdomen and 
oblique dorsal-inner view of right sup. app. xX 22. 
16, 16s. A. pipila, sp.n., d. Escuintla, Jan. 31, 1905. Id. x 22. 
17. Gynacantha tibiata, Karsch, ¢. Panima. Apex of left sup. app. x5. (To replace Tab, VIII. 
tig. 24d. 
18. Argia ipa sp.n., 2. Escuintla, Jan. 31,1905. Anterior end of mesothorax*. x 22. 
19. A. johannella, sp.n., 2. Juan Vinas, March 18,1902. Id.* x 22. 
20. A. guumeri, sp. n., 2. Fuerte de San Felipe, Feb. 15,1905, Id.* x 22. 
21. A. variabilis, Selys, 9. Juan Vinas, March 18,1902. Id.* x 22. 
22, 23. Argia intermediate between pulla and frequentula, QQ. 22. Jojutla, Nov. 16. 23. Tepie, 
Oct., 1894. Id.* x 22. 
24. A. pocomana, sp. u., 2. Mazatenango, Feb. 3, 1905; taken pairing with ¢ of figg. 15, 15s. 
Id.* x 22. 
24, 26. Neoneura amelia,Calv. Pair, Los Amates, Jan.18,1905. Hind lobe of prothorax, 253,269. x 30. 
27. N. paya, sp. n., 6. Puerto Barrios, March 4, 1905. Id. x 30. 
28, 29. N. aaroni, Calv. Texas. Id. 28 6,299. x 30. 
30-34. Erpetogomphus elaps, Selvs, ¢. Left first hamule. 30. Rincon, Oct. 31. Chilpancingo, Sept. 
32. Cuernavaca, Aug. 3, 1903. 33. San Gerdnimo. 34. San Jose, Costa Rica, May 1905. x 17. 
35. Argiallagma minutum, Selys, ¢. Los Amates, Jan. 16, 1905. Left profile view of apex of abdomen. 
x 34, 
36, 37. Enallagma cultellatum, Hagen, g. Amatitlan, Feb. 7, 1905. 36. Id. 387. Dorsal view of 
appendages. x 20. 
38, Neoneura paya, sp. n., ¢. Puerto Barrios, March 4, 1905. Oblique left dorsal view of apex of 
abdomen. x 35. 
39, 40. Telebasis digiticollis, Calv., ¢. Los Amates, Jan. 19, 1905. Dorsal and left profile views of apex 
of abdomen. x 25. 
41-44, Protoneura corculum, sp. n. Livingston, Feb. 18, 1905. 41. Dorsal view of anterior end of 
mesothorax, 9, x 22. 42. Left side ofsame, 9, x 66. 48. Left profile view of apex of abdomen, 
6, x 22. 44, Left hind wing, d, x 11:3. 
45. P. remissa, Calv., ¢. San Pedro Sula, Feb. 26,1905. Left hind wing. x 11:3. 
46. Anisagrion truncatipenne, Calv., S. Santa Lucia, Feb. 1, 1905. Left profile view of apex of 
abdomen. x 2d. 
47. Erpetogomphus cophias, Selys, 9. Omilteme. Region of vulvar lamina. x 8. (To replace 
Tab. VIL. fig. 33.) 
48, Gomphoides volsella, Calv., 6. Teapa. Left profile view of apex of abdomen. 5'3. (To replace 
Tab. VII. fig. 14.) 
49-52. Protoneura amatoria, sp. n. San Pedro Sula, Feb. 28,1905. 49. Right profile view of prothorax 
and anterior end of mesothorax, 9 , showing mesostigmal process on latter, x 22. 50. Left profile 
view of apex of abdomen, ¢, x 22. 51. Dorsal view of right sup. app., d, x 44. 52. Left hind 
wing, d, X 11:3. _ 
53, 54. Erpetogomphus boa, Selys, d. Vera Cruz. Dorsal and right profile views of (broken) apex of abdo- 
men of type in Museum at Brussels. (From drawings sent by M. G. Severin through M. R. Martin.) 
55, 56. Brechmorhoga tepeaca, sp.n. 55, Vulvar lamina, 9, Cuernavaca, x 18°5. 56. Left profile view, 
genitalia of second abd. seg., ¢, Coatepec, x 25. 
* The dotted lines show the outlines of the black mid-dorsa] thoracic stripe. 
