174 TRANSACTIONS OF THE [1892 



base, and this color continued back upon the middle, and 

 posterior border, of the segments. The female is lighter 

 colored and less obscured by brown than the male. 



Length to tip of abdomen 23-26 millims ; width across 

 middle of the pronotum 10-11 millims ; expanse of wings 

 72-79 millims. 



These fine insects were found in large numbers near 

 Samana Bay, San Domingo, in the month of May, by Mr. 

 Frazar. All the females thus far examined have been 

 much smaller than the males. The spur on the last 

 tergal segment of the female is acute, and longer than 

 in the other species which we have studied. 



16. 0. cuncta Walker, (Zammara.) Brit. Mus. List. 



Homopt. vol. 1, p. 39, K'o. 9. 

 Unknown to me except in the description cited above. 

 It is said to be an inhabitant of Jamaica. 



17. 0. ple7ia Walker, {Zammara.) Brit. Mus. List. 



Homopt. vol, 1, p. 38, N"o. 8. 



Captured in Jamaica by Mr. P. H. (rosse. 



18. 0. erato Walker, [Zammara.) Brit. Mus. List. 



Homopt. vol. 1 p. 41, ]^o. 11. 



Inhabits the same locality as the preceding species. 



19. 0. suffusa Walker, {Zammara.) Brit, Mus. List. 



Homopt. vol. 1, p. 37, No. 7. 



Inhabits the Island of San Domingo. 



I have ventured to place the four last species in the 

 genus Odopoea, as the descriptions seem to warrant 

 such a disposition. 



ZAMMARA Amyot and Serv. 



1. Z. smaragdina Walker, Brit. Mus. List. Homopt. vol. 1, 

 p. 33, No. 3. Distant, Biol, Cent. Amer. Hom. p. 3, 

 No. 1, plate I. fig. 1, Z. angnlosa Walker, Brit. 

 Mus. List. Homopt. vol. 1, p. 34, No. 4. 



