1924] 
Notes on Cuban Ants 
21 
Shining throughout. Mandibles coarsely striate. Head and 
thorax with fine, widely separated longitudinal wavy carinulse, 
discernible above only in certain lights, stronger on pleurse; 
head, body and appendages rather finely punctate and with 
erect, whitish hairs that are longer and stiffer on the legs. 
Color black, head and thorax with strong violaceous re- 
flections. 
Sierra Maestra, July, 1922. Alt. 600-900 m. 
Cotypes. Cat. No. 26498 U. S. N. M. 
Described from two workers. 
This is a very distinct species, resembling M. scahripes Mann 
somewhat in form and in having the femora minutely tuber- 
culate, but differing strongly in sculpture and color and in its 
larger size and stouter thorax. 
The violaceous reflection of the tegument is unusually 
strong, even for a Macromischa. 
Macromischa (Macromischa) affinis Mann 
Sierra Maestra, July, 1923. Alt. 3000-3500 ft. 
A single worker in the collection is considerably darker 
than those in the type series, with the head and thorax dark, 
reddish brown and only the bases of the femora pale, otherwise 
agreeing exactly. 
Macromischa (Croesomyrmex) wheeleri Mann 
Vinales, April 
Three workers. 
Macromischa (Croesomyrmex) poeyi Wheeler 
Worker. Length 5.5 mm. (Fig. 1.) 
Head longer than broad, strongly narrowed from behind 
eyes to occipital border which has an elevated margin. Clypeus 
convex, carinate at middle, shallowly concave at middle of 
anterior border. Antennae very slender, their scapes surpassing 
occipital corners by one-third of their length; first funicular 
