1848.] Linnean Society. 387 



20. BoLBocERAS LiNEATus, Melhj MSS. ; fiilvus nitidus, capite nigro 

 punctato inter oculos tuberculo apice subbifido armato, pionoto sim- 

 plici macula discoidali nigra, elytris convexis sutura striisque longitu- 

 dinalibus elevatis nigvis, tibiis anticis 8-dentatis. — Long. corp. liu. 3f . 



Hub. in insula Ceylon. In Mus. Melly. 



Subgenus Eucanthus, Westw. 

 Corpus minus depressum quam in reliquis ; pronoto antice baud retuso- 

 Tibia anticDB dentibus duobus apicalibus magnis aliisque niinutis ex- 

 ternis versus basin armato. Elytra punctato-striata ; singulo striis 

 5 tantiim inter humeros et suturam, punctis profundis. 



21. BoLBocERAS (EucANTHUs) Melibceus, Fabncius (Ent. Syst. i. p. 20) ; 

 rufo- vel piceo-niger, clypeo caring transversa pliis minusve elevata 

 (quasi e tuberculis duobus conjunctis formata) verticeque cornu bre- 

 vissimo truncato (parum emarginato) instructis, pronoto subdepresso 

 insequali, canali punctata longitudinali in medio (marginem anticam 

 baud attingente) impressionibusque lateralibus curvatis punctatis tuber- 

 culoque utrinque instructis, elytris glaberrimis punctato-striatis. — Long. 

 Corp. lin. 4-5^. 



Bolboceras concinnus, Dejean, Cat. Coleopt. 

 Hab. in America boreali. In Mus. D. Hope. 



Mr. Westwood concludes with some observations on Bolb. Lazarus, 

 Fabr., which he regards as closely allied to, if not identical with, 

 Bolb. Melibceus of the same author. 



June 20. 

 E. Forster, Esq., V.P., in the Chair. 

 John Shaw, Esq., M.D., was elected a Fellow. 



Read a Postscript to Mr. Newport's paper on Pteronarcys regalis. 



The author referred to the paper already read to show that the 

 genus Pteronarcys ought to be arranged after Perla, and before 

 Capnia and Nemoura, which it most nearly approaches in the struc- 

 ture of its alimentary canal ; while Perla has affinities with the 

 Orthoptera through the Blattida. The Perla arenosa of Pictet was 

 regarded as making the nearest approach to the latter family, and 

 this species was shown to be the Perla abnormis of Newman. The 

 larva and pupa of this gpecies were described from specimens taken 



