488 bulletin: museum of comparative zoology. 



pubescence. The head, coxae, and gaster with a few long hairs, other 

 parts of body without them. 



Color black, apical four joints of antennae brown, tarsi brown. 



Described from one worker taken at Madeira-Mamore R. R. Camp 

 39. 



The elongate pronotum which is only faintly depressed anteriorly, 

 the shining black color throughout, the brown tarsi and tips of the 

 antennae and the nearly entire absence of pilosity, distinguish D. 

 apicalis from the other species of the genus. It approaches most 

 closely D. madeirensis from the same region, but differs from this in 

 the shape of the head, the rounded sides of pronotum, the structure 

 of the petiolar node, and in the extremely sparse pubescence and 

 pilosity. 



223. Dcndromyrmex hranncri, sp. nov. 

 Plate 6, fig. 47. 



Worker. Length 8 mm. 



Head about one and one half times as long as broad, sides in front 

 of eyes slightly convex, slightly broader at base of clypeus than in 

 front of eyes, anterior corners angulate; occiput strongly contracted, 

 seen from above with almost straight margin to a point a little over 

 half the distance from eye to apex, then contracted into a narrow neck 

 which is longer than broad, and has the posterior edge strongly re- 

 flex^d. Clypeus slightly broader than long; sides straight, with a 

 strong carina for entire length; anterior border truncate. Frontal 

 area suboval in shape, wuth a longitudinal carina. Fi'ontal laminae 

 moderately elevated, approximating anteriorly. Mandibles rather 

 slender, blade with five teeth. Antennae long and slender, scape 

 extending a little beyond the mesoepinotal impression, joints of 

 fiagellum subequal in length, all longer than broad, the anterior ones 

 somewhat the thickest. Ej^e small, very convex, situated at posterior 

 fourth of head. Thorax long and slender, the width contained four 

 times in the length. Prothorax broadest at anterior tliird, constricted 

 in front, sides evenly rounded; in profile very slightly convex. Pro- 

 mesonotal impression not deep. Mesonotum evenly rounded to near 

 apex, where there is a strong transverse constriction; the sides from 

 above strongly concave. Epinotum slightly over twice as long as 

 broad, divided at anterior third by a broad transverse impression, 

 which gives the profile the shape of a saddle; the declivity short, 



