COLEOPTEEA OF GEOGRAPHICAL INTEKEST. 533 



SCAPHISOMA ELONGATUM, Sp. nOV. 



Very elongate-ovate, mucli convex, and extremely glossy black. 

 Head gradually widening towards the base, tlie greatest width 

 being just behind the eyes ; not punctured. Clypeus slightly nar- 

 rowed in front ;' the front margin pitchy red. Antennae very 

 long and slender, the basal joints being pitchy red, the others 

 darker, scantily covered with very long black hairs. Eyes scarcely 

 projecting beyond the margin of the head. Palpi pitchy red. 

 Thorax the same width as the head in front, but rapidly widening 

 towards the base ; very convex, as long as the width at the base, 

 and not punctured. The elytra scarcely broader than the thorax 

 at the base, and gradually tapering towards the apex to about half 

 the width ; very convex, the extreme tips pitchy red ; sparingly 

 and excessively delicately punctured. Legs long, slender, and of 

 a uniform pitchy red. The last two segments of the abdomen 

 pale pitchy red, with a few stiff hairs projecting from the apex of 

 the last segment. Length 2|, width I5 millim. 



Hob. Eio de Janeiro. 



This species is remarkable for its elongate narrow form ; there- 

 fore quite unlike any other of the genus, and not readily to be 

 confounded with them. 



Peosthetops, gen. nov. 



Head free. Maxillary palpi stout, the apical joint distinctly longer 

 than the preceding joint, fusiform. Eyes large, prominent, not divi- 

 ded by a canthus. Clypeus about twice as broad as long, its greatest 

 width across the middle ; the margins slightly reflexed 5 anterior angles 

 rounded; the front margin with a deep triangular incision in the 

 middle. Thorax transverse, much narrowed behind. Scutellura very 

 small, triangular. Elytra moderately elongate, much broader in the 

 middle than at the base and apex, the apices separately rounded. 

 Legs and tarsi as in Helophorus. There are two distinct ocelli on the 

 head, situated rather behind the middle of the eyes, widely separated. 



The presence of frontal ocelli in this genus is very interesting, 

 their existence in the Coleoptera being of very rare occurrence. 



Peosthetops capensis, sp. nov. 



Eather flat, bronzy black, rather dull except the elytra, which 

 are moderately shining. Head rather large ; forehead with a raised 

 mark in the form of an a; between the eyes ; the eyes prominent. 

 Clypeus with the margins gently reflexed and thickened. Thorax 



