94 AMERICAN JOURNAL 



Conchologica Iconica : by lovell eeeve. 



Venus, (Feb. 1864.) — Corapleteing the Monograph, wliicli was 

 commenced in I860 and now numbers 1-il species, with 

 26 plates. 21 of the species are new.) 

 (Anotlier monograph of Venus is pubUshing as a Supplement 

 to Novitates Conchologicae, by Ed. Koemer.) 



Di'one, (Feb. 1864.) — 62 species, 6 of them new. 12 plates. 



Circe, " " 49 " 7 " " 10 " 



Cytherea, (Jan. Feb. 1864.) — 49 species, 8 of them new. 10 plates. 



Tapes, (" Mar. ") 75 " 11 " " 13 " 



Meroe, (March 1864.)— 12 species, 1 of them new. 8 plates. 



Solarium, (April 1864.) — 21 species, 3 plates. 



German. 



On the Family Bissoidse, II., Genus Risso. By g. swartz vok jioh- 

 RENSTERN. 4to., 58 pp.. 4 pL, 8 of them colored. Gerold Vienna, 

 1864. 



Fourty-seven species are enumerated, a number of which are 

 fossil or sub-fossil. 



SCIENTIFIC INTELLIGENCE. 



Note on the genus Simnia, Eisso. 



H. & A. Adams (Genera, i. 273,) adopt this genus, giving as 

 synonyms, Scymnia Leach, Volva, Flem., not Bolt., Calpurna, 

 Flem., for a group of Ovulas ; and thus characterise it. 



" Shell thin, involute, oblong, subfusiform ; aperture ex- 

 panded, contracted at both ends into short pointed canals; 

 inner lip straight, slightly twisted in front ; outer lip simple, 

 acute, arcuated." 



Mantle margin simple, tuberculated ; foot long, broad, not 

 longitudinally folded. 



Three species of this genus are named, viz : — 



Aperta, Sowb., patula, Pennant, uniplicata, SoAvb. The first 

 of these is figured by Sowb., Thesaur. Conchyl., pi. 107, fig. 

 106, 107, (Desc, No. 36,) from a single specimen in possession 

 of Mr. Hanley; locality unknown. Notwithstanding Mr. 

 Sowerby's assertion that the shell is mature, it does not from 

 the figure appear to us to be so. 



;S'. pahtla. Pennant, (Sowb., pi. 101, f. 105, 113, Text, No. 35,) 

 an English species, is, according to Forbes & Hanley, an in- 

 habitant of the south-western coasts, Lands-End, &c., and 



