384 Linnean Society. [June 6, 



Read also " Descriptions of some new or imperfectly known spe- 

 cies oi Bolboceras." By J. O. Westwood, Esq:, F.L.S. &c. 



In this paper Mr. Westwood proceeds, in continuation of his 

 former communication (see p. 365), containing a Synopsis of the 

 Australian species of Bolboceras, to give descriptions of others of the 

 genus from various parts of the world, and especially from the East 

 Indies. Tlae descriptions were accompanied as before with illustra- 

 tive drawings. 



1. Bolboceras Cyclops, Fabr. (Ent. Syst. i. p. 15 ; Oliv. Ent. i. 3. t. 15. 

 f. 140) ; ferrugineus ; clypeo antice carina transversa tuberculisque 

 duobus acutis instructo, vevtice linea tenui pariim elevata inter oculos, 

 pronoto utrinque excavatione profunda subrotunda antice covnu acuto 

 alteroque minovi versus medium armato : spatio inter cornua inter- 

 media piano punctato antice linea semicirculari pariim elevata cincto 

 canali vix distincto longitudinali ante scutellum terminato, elytris punc- 

 tato-striatis striis tenuibus, tibiis anticis 8-dentatis. <? — Long. corp. 

 lin. 9. 



Variat mas magnitudine dentium capitis et pronoti necnon profunditate 



excavationum hujus lateralium. 

 Hab. in Java, Assam, et India centrali. Mus. Hope (olim Lee) et nostr. 

 {Hearsey). 



2. Bolboceras grandis, Hope MSS, ; rufo-castaneus, capita dentibusque 

 tibiarum anticarum nigricantibus, clypeo carina tenui semicirculari, 

 vertice carina transversa inter oculorum partem anticam, pronoto con- 

 vexo carina semicirculari tuberculisque duobus versus marginem an- 

 ticam lineaque tenui longitudinali impress^ medi& in parte postica. — 

 Long. corp. lin. 9. 



Hab. in India orientali? In Mus. D. Hope. 



3. Bolboceras fuucicollis, De Laporte (An. Art. Coleopt. vol. ii. p. 104. 

 no. 3) ; castaneo-rufus, sub lente granulosus, clypeo maris quadrato 

 piano antice bisinuato angulis lateralibus anticis in cornua duo por- 

 rectis, pronoto postice elevato disco in medio cornubus duobus erectis 

 distantibus recurvis alterisque duobus intias concavis versus angulos 

 posticos canali Isevi mediano versus marginem posticam, elytris punc- 

 tato- striatis, tibiis anticis extus 6-dentatis. — Long. corp. lin. 10. 



B. Lecontei, Dej. Catal. Coleopt. 



Hab. in America boreali (teste De Laporte et Mus. Hope et Gory), an 

 recte ? 



4. Bolboceras ferrugineus, De Laporte (Hist. Nat. An. Art. Col. 

 vol. ii. p. 104. no. 4); castaneo-fulvus sub lente granulosus, capita an- 

 tice carina sinuata antica tuberculoque subbifido tertio inter oculos, 

 pronoto ante medium spatiis duobus parum elevatis Isevibus linea tenui 

 impressa punctata (fere ad marginem posticum extensa) divisis utrinque 



