BY MALCOLM CAMERON. 431 



5 or 6 punctures, the base completely margined. Elytra one 

 third longer than the thorax, longer than broad, the sides with 

 2 or 3 small punctures, not aiutaceous. Abdomen moderately 

 finely closely punctured except along the middle. Legs red. 

 Length 6.75 mm. 



Mt. Dulit, 3,500 feet, a single specimen. 



Priochirus (Cat.^camptus) bidens n. sp. 



Black, shining, subconvex. Front of head with two short 

 diverging teeth, antero-external angles rounded ; frontal 

 impression short and broad, the sides, about as long as the 

 free border of the tooth, the anterior margin without trace of 

 denticles; vertex sulcate, near the sides with a feeble oblique 

 impression, the sides parallel, the base coarsely punctured. 

 Antennae with the 1st joint emarginate a-t apex, the 3rd 

 scarcely as long as the 4th and 5th together, these and the 

 6th only slightly longer than broad, the following as long as 

 broad or slightly transverse. Thorax transverse, deeply and 

 broadly sulcate, the sides distinctly narrowed in front, 

 moderately coarsely and closely punctured, the base completely 

 bordered. Elytra one third longer than the thorax, longer 

 than broad, the sides and based with some fine punctures. 

 Abdomen smooth in the middle, finely and sparingly 

 punctured at the sides. Legs black, tarsi testaceous. Length 

 17 mm. 



Build of P. cilijrons Heller but larger and without trace of 

 denticle internal to the frontal tooth, the antero-external 

 angles of the head are rounded and not prominent, the sides 

 of the thorax much more thickly punctured and the abdomen 

 more punctured. Viewed from the sides the frontal tooth 

 shows an obscure blunt tubercle subapically. In one example 

 the anterior margin of the frontal impression on either side 

 of the middle line shows a trace of a tubercle. 



Mt. Murnd, 6,500 feet, 15 specimens. 



HOLOSUS TACHINOIDES n. Sp. 



Black, shining, subconvex, narrowed posteriorly; the legs, 

 posterior margins of the abdominal segments, most of the 5th 

 and the whole of the 6th ferruginous. Antennfe pitchy. 

 Length 4.75. Facies of H. tachiniformis Motsch., but 

 puhcturation of the head and thorax is much less fine, the 



