1897.] of the Coleoptera of South Africa. 81 



elongate and a little larger, sixth and seventh similar to the fourth, 

 eighth quadrate and a little smaller, ninth to tenth quadrate, a little 

 larger than the seventh, eleventh a little thicker than the preceding 

 one, ovate, truncate at base and sharply acuminate at tip ; prothorax 

 longer than the head and a little broader, nearly as broad as long, 

 rather short, strongly cordiform and having two lateral foveas 

 and a much smaller median one, transverse sulcus slightly angular ; 

 elytra not much elongate, attenuate at base, no shoulders, dorsal 

 sulcus strong at base but disappearing towards the median part ; 

 abdomen longer than the elytra, little convex and attenuate at tip ; 

 metasternum simple ; legs of moderate size. Female : Length 2 mm. 



Differs from the female of D. glohulicornis by its larger size, the 

 shorter and broader head, the more slender antennae and the colour. 



Hab. Natal (Frere). 



Dalmina irregulaeis. 



Oblong, more slender than the others, piceous, elytra and 

 antennae brownish, the latter paler at tip, covered with a sparse 

 greyish pubescence, legs rufous brown ; head of moderate size, a 

 little longer than broad, attenuate in front, and having between the 

 eyes two foveas, sulci oblique joining in the depressed frontal part, 

 vertex convex ; antennae somewhat elongate, first joint large, second 

 quadrate, third a little narrower, obconical, fourth quadrato-elongate, 

 fifth also quadrato-elongate but larger, slightly produced inwardly, 

 sixth smaller by one-fourth, and quadrate, seventh and eighth quadrate 

 and larger, ninth and tenth equally broad but shorter and transverse, 

 eleventh not broader, rather elongate, obtusely acuminate and 

 slightly sinuate outwardly ; prothorax larger than the head, a little 

 longer than broad, cordate, and having three foveae, the transverse 

 sulcus is strongly angular, and the very base is impressed ; elytra 

 rather elongate ; shoulders oblique, distinct, dorsal sulcus deep 

 and disappearing towards the median part ; abdomen longer than 

 the elytra and a little narrower, somewhat convex ; metasternum 

 much impressed ; legs of moderate size, trochanters of the posterior 

 ones with a short spine directed backwards, anterior and intermediate 

 tibiae with a short spur, last ventral segment of abdomen very much 

 impressed. Male. Length 2 mm. 



This species, the female of which is unknown, is greatly diffe- 

 rentiated from 1). concolor by the head and prothorax which are 

 longer than broad as well as by its more slender shape. It resembles 

 more D. globulicornis , but the shape of the fourth and fifth joints of 

 the antennae are not dilated in a node as in the last-named species. 



Hah. Natal (Frere). 



6 



