54 AMERICAN JOURNAL 



Proceedings of the Zoological Society of London. Part 2. London. 

 1868. 



Description of a new species of Helix from South Australia. 

 By George French Angas. 



Helix Silveri, South America. 



Notes on some of the species of Laiid Mollusca inhabiting 

 Mauritius and the Seychelles. By Geoffrey Nevill. 



Description of some 7iew species of Shells collected by G-eof- 

 frey Nevill, Esq.., at Mauritius, the Isle of Bourbon, and 

 the Seychelles. By Henry Adams. 



Conus Bourbonicus, Vertigo Borbonica, 

 Nevillia [N. G-. Bissoidce, Gibbus Deshayesii, 

 " picta, " Moreleti, 



" lucida, " cylindrellus, 



Stylifer speciosus, Ennea Nevilli, 



Nanina Geoffreyi, Cyathopoma Blanfordi, 



Discus serratus, Ompihalotropis Borbonica, 



Acicula Mauritiana, Scrobicularia {Capsa) rostrata. 



Descriptions of some new species of Shells, chiefiy from Ceylon. 

 By Henry Adams. 



Plicifer (N. G. Styliferidce), Corbula [Azara) rostrata. 



" Nevilli, Nanina Poweri, 



Gyclostrema Nevilli, Gyclophorus Layardi. 



" subdisjuncta. 



A revieiv of the species of the Genera Melo and Cymha of 

 Broderip. By T. G. Ponton. 



The author believes M. ducalis, M. umbilicata, M. Georginice 

 and M. diadema, to be identical. He also believes C. porcina 

 of Lamarck to be the same as C. proboscidalis and Q. patula, 

 Brod., the young of 0. Neptuni. 



A few years since, when arranging the specimens in the 

 Museums of the Academy of Natural Sciences, I arrived at the 

 same conclusions, except as to the last, (patula) of which we had 

 no specimen. 



Conchologia Iconica. Parts 274, 275. 4to. London. 1868. 



Unic— Plates 85 to 93. Sept., 1868. 



The great improvement in identification of the species noticed 

 in our last review of this monograph still continues. The color 

 of the epidermis of Monocondyloea rhomboidea is too light in the 



