IV 



Page 

 Angas, George French, C.M.Z.S., F.L.S., F.R.G.S., &c. 



Description of a New Species of Helix from South Aus- 

 tralia 257 



Baird, Prof. Spencer F., F.M.Z.S. 



Letter from, relating to a drawing of a young Californian 

 Vulture {Cathartes calif ornianus) 183 



Baird, William, M.D., F.R.S., F.L.S., &c. 



Description of a New Species of Ascaris found in the 

 Stomach of the Walrus 67 



Monograph of the Species of Worms belonging to the Sub- 

 class Gephyrea ; with a Notice of such species as are con- 

 tained in the Collection of the British Museum. (Plates IX., 

 X., XI.) 76 



Description of a New Species of Sclerostoma from the 

 Stomach of the African Elephant {Loxodonta africana). . . . 262 



Barron, Charles, Curator of the Haslar Museum, and Mac- 

 donald, J. D., M.D., F.R.S. 

 On a Supposed New Species of Galeocerdo from the 



Southern Seas. (Plate XXXII.) 368 



Notes on Heptranchus indicus, chiefly as regards Sexual 

 Characters. With drawings from nature by Dr. Macdonald. 

 (Plate XXXIII.) 3/1 



Bartlett, a. D., Superintendent of the Society's Gardens. 

 Notes on the Breeding of several Species of Birds in the 

 Society's Gardens during the year 1867. (Plate XII.) .... 114 



On the Incubation of the Apteryx 329 



Notes upon the Birth of a Ringed Seal in the Society's 

 Gardens 402 



Bate, C. Spence, F.R.S. 



On a New Genus, with four New Species, of Freshwater 

 Prawns. (Plates XXX. & XXXI.) 363 



