10 



ADDITIONS BY EXCHANGE. 



Two hundred and thirty-six specimens of one hundred and eight named species of 

 Fish, from Professor Agassiz, Museum of Comparative Zoology, Cambridge, 

 ]\Iassachusetts. 



A collection of Fish, MoUusca, Crustacea, &c., from Dr. Stimpson, North Cambridge, 

 Massachusetts. 



Four Bony Gar Pikes, (Lepidosteus,) and one Spoonbill Sturgeon, (Polyodon,) from 

 Rev. Dr. Kost, Adrian College, Michigan. 



A Y/elsh Charr, new species, (^Salmo Cambriciis,) from Dr. Gimther. 



A Pilot Whale, (Glohioceplialus Svineval,) from the Leeds Museum, per Mr. H. 

 Denny. 



Twenty -nine mounted Skeletons of Quadrupeds, Birds, Fishes, and Reptiles from 

 Mr. Gerrard. 



A collection of Marine Specimens from "Weymouth, from Professor RoUeston, Univer- 

 sity Museum, Oxford. 



:XIinor exchanges have also been received from Mr. H. Woodward, Dr. Baylie, Dr. 

 Fritsch, Dr. David Walker, Mr. R. Keen, iVlr. Tyerman, Mr. R. Tyler, and 

 I^Ir. Alfred Owen. 



