OF CONCHOLOGY. 93 



No. 82, October, 1864. 



Descriptions of neio Species of Fluviatile and Terrestrial 

 Operculate Mollusca, from Trinidad : by r. j. lechmere 



GUPPY. 



Amp'ullaria purpurascem. Cijclotus rufjatus. 



Bitlunia spnralis. Adams lella aripensis. 



Valvata agglutinans. Helicina zonata. 



Cyclotus Trinitensis. " harbata. 



This fresh description of Phryganise as Valvatce is amus- 

 ing; naturalists seem resolved to consider them Mollusca ! 



Quarterly Journal of the Geological Society, vol. xx., parts 1, 

 2, 3 ; Feb. to Aug., 1864. Each 96 pp. 4s. 



These numbers are full of very interesting papers, well 

 illustrated by lithographic plates. 



Transactions Zoological Society, London, v., part 3; 4to 1804. 



Notice of a collection of Nudihranchiate Mollusca, made in 



India, by Walter Elliot, Esq., with descriptions of several 



new Genera and Species : by joshua alder and Albany 



HANCOCK. 36 pp., with 6 colored plates. 



Sowerby. Thesaurus Conchy! iorum, part 23, 1864. Colored, 25s., 

 plaiu, 16s. 



Contains monographs cf 



Cyclostrema, AdeorJns, Teinostoma^ by Arthur Adams. 

 Argonauta, Pomatias, by G. B. Sowerby. 

 Also, 3 plates illustrating a monograph of the family Pvpi- 

 nidse, by A. Adams and G. B. Sowerby, the text of which will 

 be published in part 24. 



C'^cfos/rema contains 23 species, Adeorhlsll species, Teinostoma 

 8 species. Of these the large proportion of 39 species were 

 first described by the author. 2 plates. 



Six species oi Argonauta and eleven o^ Pomatias are descri- 

 bed, illustrated by two plates and one plate respectively. 



Yolutii and Mela are completed from the last part, with 4 ad- 

 ditional plates. 



The following are the illustrations of Pupinidoi.^ 

 Megalomastoma^ Policaria, 1 plate. 

 Catauhis, Pegistoma, Raphaulus, 1 plate. 

 Pujjina, P'lipinella, CalUa, 1 plate. 

 Mr. Sowerby announces that part 24 will complete the 3d 

 Volume of the Thesaurus, and the present Series. The Volu- 

 tidie will shortly appear separately as a monogpaph ; other 

 Genera and Families as completed, will be published in the 

 same way. Accompanying the Thesaurus is a pamphlet, con- 

 taining, with a colored plate, descriptions by G. B. Sowerby of 

 Voluta Ellioti, Conus nodulosus, Ehurna Borneensis. 



