4(]l2 bulletin; museum of comparative zoology. 



project laterally and upward from the sides of the pronotum. The 

 meso- and epinotum each has a stout, triangular spine at the poste- 

 rior corners, and the node is armed at apex with a slender acuminate 

 spine as long as the node. The whole body is covered with fine 

 yellow pubescence. 



158. Dolichoderus (Monads) laminatus Mayr subsp. lutcivcntris 



Emery. 



A female from Madeira-Mamore Camp 41 agrees with Emery's 

 description. It measures 5.5 mm. in length. The head, thorax, 

 and petiole are black, and the gaster testaceous, each segment of the 

 latter with a fuscous border. The legs are testaceous. 



159. Dolichodertis (Monads) varians, sp. nov. 



Worker. Length 5 mm. 



Near D. lamellosus Mayr. Head oval, excluding mandibles, a little 

 longer than broad, the sides very convex; occipital angles narrowly 

 rounded, the border narrowly concave. Clypeus flat above, with 

 rounded anterior border. Frontal area very large, triangular. Fron- 

 tal carinae thin, slightly elevated, extending to opposite posterior 

 third of eye. Eyes small, convex, located in front of sides of head, a 

 little behind the middle. Antennae slender, the scape thickened 

 toward apex, extending a third its length beyond the occipital corners; 

 all the funicular joints longer than broad. Pronotum transverse, 

 broadest in front, the anterior angles drawn out to form acute tri- 

 angular spines, which are flattened above; anterior border convex at 

 middle, concave at sides; sides sharply but not broadly margined. 

 Mesonotum one and a half times as long as broad, narrowed behind; 

 the surface slightly concave; sides with a narrow elevated margin. 

 Base of epinotum from above triangular, one and a half times as long 

 as broad, sides roundly margined; apical portion transversely de- 

 pressed and posterior to this elevated into a very thin lamella; de- 

 clivity a little shorter than the base. 



Petiolar node twice as broad as long; in profile twice as high as 

 thick; anterior and posterior surfaces slightly convex, the apex 

 rounded in front, behind elevated into a very thin broad lamella. 

 Gaster short and thick. 



Subopaque. Head, thoracic dorsum, and anterior surface of 



