534 MR. F. P. PASCOE ON THE COLEOPTERA OF PENANG. [Nov. 22, 



been separated from Euryphayus by M. J. Thomson, principally on 

 account of the greater length of the posterior legs, and their simple, 

 almost linear femora. 



CeRASPHORINjE. 



Stromatium. 

 Stromatium, Serville, Ann. Soc. Ent. de Fr. iii. p. 80. 



Stromatium asperulum, White, Cat. Long. Brit. Mus. p. 300. 



A common Malay species, found also at Hong Kong. In Mr. 

 Wallace's collection there are specimens from Macassar, Ainboyna, 

 Batchian, and Banda. 



Noserius. 

 Noserius, Pascoe, Trans. Ent. Soc. ser. 2. iv. p. 95. 



Noserius tibialis, Pascoe, I. c. pi. 23. f. 4. 



Mr. Lamb's specimen differs from my type in being more rufes- 

 cent, the prothorax less transverse, and the third joint of the an- 

 tennae only being dusky. It was one of Mr. Wallace's captures in 

 Borneo. 



Gnatholea. 

 Gnatholea, J. Thomson, Essai, &c, p. 375. 



Gnatholea eburifera, J. Thomson, I. c. 



The male of this remarkable species has the mandibles prolonged 

 and their upper surface so raised as to enclose the lip behind them. 

 The elytra have two or more raised ivory spots, as in the South 

 American genus Eburia and its allies. 



Xystrocera. 

 Xystrocera, Serville, Ann. Soc. Ent. de Fr. iii. p. 69. 



Xystrocera globosa. 



Cerambyx glohosus, Olivier, Entom. iv. no. 6/. p. 27, pi. 12. f. 81. 



A well-known insect, extending from the Isle of France to India 

 and Java. 



Xystrocera alcyonea. 



Viridi- vel cyaneo-metallica ; antennis articulis quinque basalibus 

 tuber culato-spinosis. 



Glabrous, shining, metallic green or blue ; head with oblong punc- 

 tures between the eyes, the intervals with fine vertical corrugations, 

 the punctures on the vertex crowded, the intervening lines becom- 

 ing rather oblique towards the median groove ; prothorax slightly 

 broader than long, transversely corrugated, the middle of the disk 

 near the anterior impressed line smooth and impunctate, on each 



