vi 
Mitcue tt, D. W., Esq., B.A., F.L.S., Sec.Z.S. page 
Notice of a Hybrid Crowned-Pigeon, hatched in the 
Menagerie . . PIE, OS) BRO SI ae 1 
Notice of a Hybrid Bull. g ANY OY EID SORT ORPAY, “172 
Murcuisoy, Sir R. I., G.C.St.S. 
Letter relating to the Aurochs. . . . . - + - « + 32 
Murray, Hon. C. A., H.M. Consul-General in Egypt. 
Letters relating to Collections made in Egypt . 33, 64, 106 
Letter relating to a Hippopotamus presented to the So- 
ciety by H.-H. Abbas Pasha. . . . . «. . « - « - 163 
Parxsy, Major. 
Notice of the capture of Orthagoriscus Mola off the Chesil 
Park, Darseismires eS ool A er > oe ORAS G 
PreiFrFeER, Dr. L. 
Descriptions of twenty-four New Species of Helicea, from 
the Collection of H. Cuming, Esq. . . ~~ - - £26 
Descriptions of twelve New Species of Vitrina sd Sic: 
cinea, from the Collection of H. Cuming, Esq.. . . - 132 
Descriptions of thirty New Species of Tornatellina, Cylia- 
drella, and Clausilia, from the Collection of H. Cuming, Esq. 134 
Reeve, Lovett, Esq., F.L.S. 
Description of a New Species of Bulimus, from the Col- 
lection of A. L. Gubba, Esq. of Havre . . . . .« e116 
Descriptions of sixteen New Species of Bulimus, in the 
Collection of H. Cuming, Esq., discovered by Mr. W. Lobb 
in the Andes of Peru. . .- .- “ig he aA ie 
Description of a New Species of Cire - 3 tts eee 
Suaw, A. N., Esq. 
Letters relating to Collections made at Bombay . . 33, 94 
SoweErsy, G., Esq., F.L.S. &c. 
Description of a New Species of the Genus Tomigerus . 14 
Description of two newly-discovered Species of Cyclostoma 15 
Sowersy, G. B., Jun., Esq., F.L.S. 
On a New Genus of Pholadide, with notices of several 
New Species, and of a remarkable specimen of Pholas Calva 
in Mr. Cuming’s Collection . . . . -°-. « «. + « - 160 
STEVENSON, Mrs. 
Wetter sro, oer pa Bi gt hte ty I ee IS Ped Oe 
