187 



S. Oregonensis. Ater ; fronte marginato. Thoracis lateribus 

 margineque antico et postico punctatis. Elytris postice introrsum 

 punctatis. Tibiis anticis crenatis. Hab. Oregon. 



S. bigener. Thorace lateribus punctato-subrugosis, disco parvo 

 laevi. Elytris postice punctatis. Tibiis anticis 4 dentato-crenatis. 

 Hab. in cadaveribus piscium. 



Onthophiltjs pluricostatus. Thorace lineis sex elevatis, pri- 

 ma antice, tertia postice paulo abbreviatis. Elytris costis 14 ele- 

 vatis. Hab. Georgia. 



O. nodatus. Thorace lineis sex elevatis, prima antice abbrevi- 

 ata, secunda integra, tertia postice paulo abbreviata. Elytris cos- 

 tis octo elevatis. Hab. Georgia. 



ABRiEiis aciculatus. Aciculatus. Thorace antice vix emar- 

 ginato. Elytris stria basali obliqua. Hab. Georgia et Carolina. 



A. simplex. Puncticulatus. Elytris stria rudimentali vix con- 

 spicua. Hab. Georgia et Carolina. 



A obliquus. Punctatus. Elytris stria basali obliqua, abbrevi- 

 ata. Hab. Carolina. 



A fimetarius. Grosse punctatus. Elytris stria obliqua abbre- 

 viata basali obsoletissima. Long. lin. J. Hab. Georgia. 



Dr. Gould communicated, on behalf of Dr. J. W. Migh- 

 els, some specimens of shells, with descriptions : 



Pupa costulata. Shell ovate-conic, scalariform, light yellow- 

 ish brown, thin and fragile, whorls four, convex, the last two prom- 

 inently ribbed, the first two smooth ; suture distinct ; aperture 

 semi-circular, slightly oblique, unarmed ; lip simple or modified by 

 the last rib ; umbilicus distinct. Length, 2-15 inch ; breadth near- 

 ly 1-10. Hab. Portland. 



Helix submerts. Shell conic-globose, smooth, incremental 

 striae distinct, apex subacute ; spire elevated, whorls five and a 

 half, suture distinct, epidermis dark chesnut or mahogany colored, 

 mottled, with an interrupted white zone around the body whorl ; 

 convex beneath, umbilicus minute, the region white ; lip simple, 

 thickened within ; internal lip blending with the last whorl, and, 

 with the inner margin of the outer lip, of a beautiful rose tint. 

 Height, 1-2 inch ; breadth the same; depth, 2-5 inch. Hab. Key 

 West, Florida. 



Osteodesma .eruginosa. Shell irregular oval, thin, semi-per- 



