130 THE INSECTS OF GAYNDAH, 



185. — Hydatotrephis mastersii. n. sp. 

 Lefigth 4 lines. 

 Black, very nitid, very finely and closely punctured. Head 

 with a broad shallow punctured depression on each side between 

 and near the eyes. Thorax broad, slightly rounded on the sides, 

 broader behind than in front, truncate at the base, with all the 

 angles rounded, and with the apex and base narrowly, and the 

 sides broadly, bordered with red. Elytra, with a deep stria on 

 each side of the suture, commencing a little above the middle, 

 and extending to the apex, and with several indistinct rows of 

 irregular and distant punctures on the disk. The under sides of 

 the thighs and sides of the metathorax are covered with a pale 

 silky pubescence. 



186. — Philhydrus elongatulus. n. sp. 

 Length 2 lines. 

 Elongate, ovate, nitid, subconvex, very finely punctured and of 

 a lurid red clouded with brown. Head and anterior margin of 

 thorax brown. Elytra with a distinct stria on each side of the 

 suture not reaching to the base, and with obsolete brown punc- 

 tured striae over the rest of their surface. 



187. — Philhydrus maculiceps. n. sp. 

 Length Ij lines. 

 Short, ovate, convex, and subnitid. Head black with a large 

 yellow spot on each side in front. Thorax luteous with the 

 anterior border and a large central spot, brown. Elytra brown, 

 bordered and clouded with yellow, and with a distinct stria on 

 each side of the suture not reaching the base, and several series 

 of obsolete punctured strige. 



188. — Philhydrus maemoratds. n. sp. 

 Length f of a line. 

 Short, ovate, convex, and subnitid. Head black with a pur- 

 plish gloss. Thorax pale red with the middle brown. Elytra 



