NEUROPTERA.—ODONATA. 
PLATE IX. 
[Figg. 8, 11, 12, 30, 33, 55 are from photographs by Dr. Henry Skinner, all the others are camera drawings. 
All figures of the genitalia of the second abdominal segment, ¢, are inverted, as these parts are most 
easily examined when the insect is so held.] 
Figg. 1-5. Ephidatia longipes cubensis, Scudder. Altamira, June. 1-3. Apexof abdomen, 6, left side, three 
individuals, x 9°4. 4. Genitalia of second abdominal segment, d, left side, x 16°8. 5. Apex of 
abdomen, 9, ventral view, x 5°. 
6. Uracis imbuta, Burm., ¢. Bugaba. Genitalia of second abdominal segment, left side, x 16°8. 
7,8. U. fastigiata, Burm., ¢. 7. Genitalia of second abdominal segment, left side. Volcan de 
Chiriqui, x 12:5, 8. Venation, right side, x 1:2. Nicaragua. The small cross-veins at the 
apices of the wings are omitted. 
9-1]. Tholymis citrina, Hagen, ¢. Atoyac,May. 9. Genitalia of second abdominal segment, left side, 
x 85. 10. Apex of abdomen, left side, x 6°5. 11. Venation, right side, x 1:2. 
12. Micrathyria didyma, Selys, 2. Isthmus of Tehuantepec. Venation, right side, x 1:2. 
13-15. M. atra, Martin, g. San Felipe, February. 13. Pattern of colouring of thorax, left side, 
x 2:5; in this and similar figures, sutures and metastigma in solid lines. 14. Apex of abdomen, 
left side, x 11°3. 15. Genitalia of second abdominal segment, left side, x 17-7. 
16-18. M. hageni, Kirby. 16, 9, Havana, Colour-pattern of thorax, left side, x 2°5, as in fig. 13. 
17,18, g, Matamoros. Dorsal and left profile views, apex of abdomen, x 13:5. 
19-21. M. dissocians, sp.n., g. Atoyac, May. 19, 20. Ventral and left profile views, apex of abdomen, 
x 11:6. 21. Genitalia of second abdominal segment, left side, x 17-7. a 
22, 23. M. ocellata, Martin, ¢. Los Amates, February. 22. Colour-pattern of thorax, left side, x 2°5. 
23. Apex of abdomen, left side, x 22°5. 
24. M. schwmanni, sp. n., d. Guadalajara, July. Apex of abdomen, left side, x 12:4. . 
25-27. M. debilis, Hagen. 25, 2, Altamira, June. Colour-pattern of thorax, left side, x 25. 26, d, 
Puerto Barrios, March. Apex of abdomen, left side, x 22-5; a, base of right superior appendage to 
show the infero-internal subbasal denticle, x 22°5. 27, 3, Puerto Barrios, March. Genitalia of 
second abdominal segment, left side, x 30; 6, ventral view of anterior lamina, x 30. 
28-30. M. eximia, Kirby. 28, 5, Puerto Barrios, March. Apex of abdomen, left side, x 22°5. 29, 6, 
id. id. Genitalia of second abdominal segment, left side, x 30. 30, 9, David. Venation of 
right side, x 1°2.* 
31-33. Nephepeltia phryne, Perty, ¢. Puerto Barrios, February. 31. Apex of abdomen, left side, x 12:7. 
32. Genitalia of second abdominal segment and metathoracic spine, left side, x 12. 33. Venation 
of right side, x 1:2. 
34. Orthemis ferruginea, Fabr., 9. Teapa, March. Colour-pattern of thorax, left side, as in fig. 13. x 2-5. 
35. O. sulphurata, Hagen, §. Guayaquil. Colour-pattern of thorax, left side, x 2°5. 
36, 37. O. biolleyi, sp n., 6. Esparta, January. 36. Colour-pattern of thorax, left side, x 2:5. 
37. Genitalia of second abdominal segment, left side, x 11-6. 
38, 39. O. levis, sp. n., o. San Felipe, February. 38. Colour-pattern of thorax, left side, x 2:5. 
39. Genitalia of second abdominal segment, left side, x 12°3. 
40. Erythrodiplax ochracea, Burm., $. Atoyac, May. Genitalia of second abdominal segment, left side, 
x 11°6. 
41. E. connata, Burm., ¢ (fusca, Rambur), ¢. Panama. Genitalia of second abdominal segment, left 
side, x 11°6. 
42. E. erichsoni?, Kirby, d. Esparta, January. Genitalia of second abdominal segment, left side, x 11-6. 
43-45. Macrothemis musiva, Calvert, $. Teapa, February. 43,44. Left profile and ventral views of 
apex of abdomen, x 12. 45. Genitalia of second abdominal segment, left side, x 17°7. 
46,47. Tauriphila australis, Hagen, ¢. Teapa, February. Dorsal and left protile views of apex of 
abdomen, x 12. 
48, 49. T. argo, Hagen, 3. Puerto Barrios, March. Dorsal and left profile views of apex of abdomen, 
x 12. 
50. Rhodopygia cardinalis, Erichson, ¢. Eastern Peru? Left genital hamule, x 18. 
51-53. R. hinei, sp. n., ¢. Morales, March. 51. Apex of abdomen, left side, x 12. 52. Genitalia of 
second abdominal segment, left side, x 11-6. 53. Left genital hamule, x 18. 
54. R. hollandi, sp. n., d. Cuyaba, January. Left genital hamule, x 21. 
55-58. Piatyplax sanguiniventris, sp. n., ¢. Altamira, June. 55. Venation of right side, x 1-2. 
56. Genitalia of second abdominal segment, left side, x 11-6. 57. Apex of abdomen, left side, x 9-4. 
58. Inferior abdominal appendage, ventral view, x 9°4. 
* This female is unusual in possessing a supernumerary antecubital on the right (but not on the left) hind 
wing, proximal to the nodus and not reaching to the median vein ; it has been omitted from fig. 30. 
