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XVI. Descriptions of neio genera and species of Crypto- 

 cephalidffi. By Joseph S. Baly, F.L.S. 



[Bead 1st August, 1877.] 



List of Species. 



Ccenobius lividipennis t . . . . . Camaroons, 



„ ruficollis . . . . . . . . Port Natal. 



„ discoidalis . . . . .. . . „ 



„ fulvipes .. .. .. .. India. 



„ chinensis . . . . . . . . China. 



Monachusangulicollis .. .. .. Columbia. 



„ obscuricoUis .. .. .. Para. 



Melixanthus Adamsi . . . . . . . . China. 



„ placidus .. .. ,. „ 



Cryptocephalus Jansoni . . . . . . „ 



„ notatipennis . . . . . . Para. 



„ - gratus . . . . . . Parana. 



„ histrionicus . . . . . . Brazil. 



,, amazonus . . . . . . Para. 



Stegnocephala discoidalis . . . . . . Amazons. 



-Paracephala (n. g.) pectoralis . . . . Australia. 



Euphyma (n. g.) .. .. .. 



Idiocephala Chapuisii . . . . . . Australia. 



„ bella .. .. .. .. „ 



Ehombosternus pretiosus . . . . . . „ 



Paracadmus (n. g.) lucifugus . . . . „ 



Acolastus Simonsi .. .. .. .. Lake Nyassa. 



Metalluctus eximius . . . . . . . . Amazons. 



Pachybrachys contortus . . . . . . „ 



Genus Coenobius, Suffi-. 

 Ccenobius lividipennis. 



Ovatus, valde convexus, fulvus, nitidus, elytris piceis, 

 metallico-violaceo vix micantibus, fortiter punctato-striatis ; 

 interspatiis convexiusculis, ad marginem lateralem con- 

 vexis. 



Long. 1^ lin. 



Hab, — Guinea, Camaroons. 



Eyes large, contiguous, antennfe rather longer than the 

 head and thorax, obscure folvous, six outer joints slightly 

 thickened ; apex of jaAvs black. Thorax twice as broad 

 at the base as long ; sides rounded and converging at the 

 base, thence obliquely converging to the apex, hinder 

 angles acute ; basal margin oblique and slightly bisinuate 



TRANS. ENT. SOC. 1877. — PART III. (oCT.) 



