254 Mr. C. J. Galian on new 



Length from 52-73 millim. 



A number of" examples from New Caledonia. 



Very closely allied to Sp. albidicollis of Poratli, from the 

 same locality, but undoubtedly differing in being smooth and 

 polished instead of coriaceous. The colour, too, is distinct, 

 the collum being by no means largely white. 



EXPLANATION OF PLATE XVI. 



Fig. 1. Spirostreptus stenorhynchus, sp. n. ; head and first tergiteof male. 



1 ti. Ditto of female. 1 b. Anal somite. 1 c. Anterior aspect 

 of copulatory apparatus. 1 d. Protrusible portion of copu- 

 latory apparatus. 



Fig. 2. Spirobolus erythvocephalus, sp. n. ; head and first tergite of male. 



2 a. Anal somite. 2 b. Anterior aspect of copulatory appa- 

 ratus. 



Fig.^. Spirobolus urophorus, sp, n. ; head and first tergite. 3 a. Anal 



somite. 

 Fig. 4. Spirobolus Naresii, sp. n. ; head and first tergite. 4 a. Anal 



somite. 4 b. Anterior aspect of copulatory apparatus. 

 Fig. 5. Spirobolus hoplurus, sp. n. ; head and tir.-5t tergite. 5 a. Ajial 



somite. 5 b. Anterior aspect of copulatory apparatus. 

 Fig. 6. Spirobolus caledo7iicus, sp. n. ; head and first tergite. 6 a. Anal 



somite. 6 b. Anterior aspect of copulatory apparatus. 



N.B. — All the figures are enlarged. 



XL IV. — Descriptions of some new Genera and Species of 

 Longicorn Coleoptera. By C. J. Gahan, M.A., of the 

 British Museum (Natural History). 



The genera and species described iu this paper are all from 

 Asia. 



Philus costatuSj sp. n. 

 Flavo-testaceus ; prothoracc quam longiore sesqui-latiore, dorso crebre 

 punctulato, lateribus subrotiindatis, postice sat distincte carinatis 

 elytris crebre puuctulatis, utrisque costis quatuor paullo elevatis, 

 quarum duabus iuternis distinctioribus, obtectis ; articulis anten- 

 nariim a tertio ad decimum sitbasqualibiis, apice intus angulatis, 

 cj . Aiitciinis quam corpora longioribus ; femoribus subtus longi- 



tudinaliter canaliculatis, canaliculis pilosis. 

 $ . Antcnuis medium elytroriim baud superantibus ; femoribus 



subtus versus apicem subplanatis, vix canaliculatis. 

 Long., (S "^0, $ 22-25 millim. 

 Hah. Siara [J. C. Bow ring). 



Head thickly punctured, with the punctures somewhat 

 coarser towards the occiput ; the front divided by a median 

 longitudinal groove, and separated from the clypeus by a 

 rather deep transversely aicuate groove. Prothorax densely 

 but feebly punctured, with a very narrow space along the 



