Page 

 Note on Oculinaria, a New Genus of Social Ascidia 564 



Note on Theonella, a New Genus of Coralloid Sponges 

 from Formosa 565 



Notes on the Ceratelladce, a family of Keratose Sponges . 575 



Note on Xylospongia cookii, a New Genus of Palmated 

 Sponges in the Collection of the British Museum 637 



GiJNTHER, Albert, M.D., F.R.S., F.Z.S., &c. 



Remarks on Salmonoids exhibited by Dr. Murie and 

 Mr. Buckland 214 



Report on a Collection of Fishes made at St. Helena by 

 J. C. Melliss, Esq. (Plates XVIII. & XIX.) 225 



Descriptions of Freshwater Fishes from Surinam and Brazil. 

 (Plates XX., XXL, XXII.) 229 



Exhibition of Specimens of the Ova and Young of the 

 Axolotl (Siredon mexicanum) 319 



Observations on the British Species of Ctupea 377 



First Account of Species of Tailless Batrachians added to 

 the Collection of the British Museum. (Plates XXXVII., 

 XXXVIII., XXXIX., XL.) 478 



Hartlaub, Dr. G., F.M.Z.S., and Finsch, Dr. O., C.M.Z.S. 



On a Collection of Birds from the Pelew Islands. (Plates 



11. &III.) ••• 4 



Additional Notes on the Ornithology of the Pelew Islands 116 



HiGGiNS, Edmund Thomas, F.Z.S. &c. 



Description of Six New Species of Shells. (Plate XIV.) I 78 

 Exhibition of the Skin of a Puma 377 



HiNCKS, Rev. William. 



Letter from, on the differences between Cygnus passmuri 

 and G. buccinator. (Communicated by Dr. Murie.) 211 



