Vli 



Page 

 Mr. Macleod Yearsley, F.Z.S, Exhibition of an X-ray 



l^hotogiapli of a )Snake with two Fi'ogs within it 190 



Mr. E. E. Holding. Exhibition of Antlers of Deer showing 



arrest of development due to Castration 190 



1. The Eft'ects of Castration on the Horns of the Prongbuck 



{Antilocapra americana). By R. I. Pocock, F.L.S., 

 F.Z.S., Superintendent of the Gardens 191 



2. Notes on the Mammals and Birds of Liberia. By Sir 



Harry H. Johxstox, G.C.M.G., K.C.B., F.Z.S 197 



3. On some Abnormal Remains of the Bed Deer [Cervus 



elcqylitrs) from the Post-Pliocene Deposits of the Sonth 



of England. By Martin A. C. Hintox 210 



4. On the Affinities of the Primitive Reptile Procoloplion. 



By R. Broom, M.D., B.Sc, C.M.Z.S., Yictoria College, 

 Stellenbosch, Cape Colony 212 



5. On the Primitive Reptile Procolojjhoa. By H. G. Seeley, 



F.R.S., F.Z.S \ 218 



April 18, 1905. 



The Seci-etary. Report on the Additions to the Society's 



Menagerie in March 1905 230 



Mr. J. G. Millais, F.Z.S. Exhibition of, and remarks ujDon, 



the horn of an Urus 231 



Dr. W. J. Holland, F.Z.S. Remarks, illustrated with 

 Lantern-slides, on the discovery of the skeleton of 

 Dijylodocus carnegii 231 



1. On Parts of the Skeleton of Cetiosaurus leedsi, o. Sauro- 



podous Dinosaur from the Oxford Clay of Peterborough. 

 By A. Smith Woodward, LL.D., F.R.S., F.Z.S 232 



2. On a Young Female Girafie from Nigeria. By P. Chalmers 



Mitchell, M.A., D.Sc, Secretary to the Society 244 



3. Notes on Ento-Parasites from the Zoological Gardens, 



London, and elsewhere. By A. E. Shipley, M.A., 

 F.R.S., Fellow and Tutor of Christ's College, Cambridge, 

 and University Lecturer in the Morphology of the 

 Invertebrata 248 



