CONTENTS OF VOL. XV. 



[FOURTH SERIES.] 



NUMBER LXXXV. 



L Obsen-ations on Ilackel's Gastr<ea Tlieory. Bv ])r ^\ *^* 

 Salensky. (I'late V.) \ ^ ' j 



T\r\^" ^??T of British Fuufri. By the Rev. M. J. Berkeley, 

 M.A., i-.L.b., and C. L. Broome, Esq., F.L.S. (Plates 1. & 11.) . . 28 



i„.^^* 5*''n"P*'''.°\^^*T'' "^"^ ^P^"«« of Crustacea from New Zea- 

 land. By Captain F. W. Hutton, C.M.Z.S 41 



Ti ^y* S"^^ °" ^ "^T Pi'f 'Visional Genus of Carboniferous Polvzoa 



By R. Etheridge, Jun., F.G.S. (Plate IV. B. figs. 1-4.J ........ 43 



Sl.-yi'lc^.°f?\?^'''^''g'''''-'' I\i^er-IIog iPotamochcervs), and on the 



£ ( PlatB Vv"' 1 f ^'"'' ' ^''''''- ^^' ^'- •^- ^'- ^^^^^' ^-^-S- 



■ * '-^ 45 



,Zu n" ?f^T^P^"^« of Bivalve Mollusca found at Cuniana, Vene- 

 figs i & 2.f ^'^'^''''^'^^ ^^^^^^' ^^-L-S., F.G.S., &c. (Plate VII 



49 



VII. Notice of some Marine Shells found on the Shores of Trinidad 

 li- f-o/,\^^^^-''^^^ <=^^'^^^'' F.L.S., F.G.S., &c. (Plate VII. 



''^" '^ 50 



VIII Notes on the Palaeozoic Bivalved Entomostraca. No. XI 

 home Cai^onifei-ous Ostracoda from Russia. By Prof. T. Rupert 

 Jo.NEs, t .Kt5., F.G.S., &c., and James W. Kirkby, Esq. (Plate VI.) 52 



SnS;?'''p'J'T°TT^°Jr?*""^' ^'^\^ Descriptions of new Genera and 

 .Speciea.-Part III. By Fra^xcis P. Pascoe, F.L.S. &c. (Plate \-III.) 59 



s^?; ^" **l^r p^-nus •^«%;wr««. By the Rev. Thomas R. R. 

 Steeiung, M..\. (Plate Ul.) ^4 



v'^^-y^f^'iPtions of five new Species of Fishes obtained in the 

 New-Zealai^ beas by II.M.S.-' Challenger ' E.xpedition, July 1874. 

 By James Hector, M.D., C.M.Z.S. 73 



XII. On a new Motella from Norway. By Robert Collett . . 82 



