484 bulletin: museum of comparative zoology. 



The collection contains three workers with the no. 273. They evi- 

 dently belong to the species which has been passing in the literature 

 as pallida Smith, being pale yellow, without black spots on the first 

 gastric segment. 



13. Pseudomyrma flavidula F. Smith var. delicatula Forel. 



Ps. delicatula Forel, Biol. Centr. Amer., 1899, p. 93, tab. 4, fig. 6 8 9 . 



This, I believe, is merely a small variety of Ps. flavidula and not a 

 distinct species. A fine colony, containing a male and several winged 

 females was taken during the last week of January at Cogimar, near 

 Havana, in the thin twig of a bush. 



14. Pseudomyrma flavidula F. Smith var. pazosi Santschi. 



Ps. pazosi Santschi, Bull. Soc. ent. France, 1909, p. 309 $ 9 . 



This form which is, in my opinion, merely a color variety of flavidula, 

 with the whole gaster of the female and worker black instead of being 

 yellow like the head and thorax and with two black spots on the basal 

 segment, was described from specimens taken at San Antonio de los 

 Banos by Dr. Pazos. It is, however, a very constant variety, and 

 seems to be widely distributed at least in the western half of the island. 

 I have taken it nesting in the hollow twigs of trees and bushes and 

 running on bark in various localities near and in the Cienaga de 

 Zapata (Bolondron, Rio de Hanabana, Aguada de Pasajeros) and 

 have long had in my collection two workers and a winged female 

 taken by Prof. C. F. Baker at Cayamas and a worker taken in the 

 same locality by Mr. E. A. Schwarz. Two workers were also recently 

 sent to me from Galatre, in the Province of Pinar del Rio by Messrs. 

 T. E. Holloway and G. N. Wolcott. A single worker (no. 136) 

 marked Pseudomyrma sp. in Gundlach's collection shows that he 

 recognized this form as distinct. 



15. Pseudomyrma elongata Mayr var. cubaensis Forel. 

 Ann. Soc. ent. Belg., 1901, 45, p. 342 8 . 



Forel gives the following diagnosis of this form : — - " Differs from 

 the typical form in having a much longer pedicel. The petiole, es- 

 pecially, is much longer than broad, less elevated, with its posterior 



