VI 



Page 

 Dr. R. T. Leiper, F.Z.S. Exhibition of the larval stage of 

 Trichostrongylus perg7-acilis, the causal factor of Grouse 

 disease, and a specimen of Cyclops containing a living 

 embryo of Cucidlanus elegans, a blood-sucking parasite 

 of Perch , 387 



1. Zoological Collections from Northern Rhodesia and 



adjacent Territories : Lepidoptera Heterocera. By- 

 Sir George F. Hampson, Bart., F.Z.S. (Plates XXXV L- 

 XLI.) 388 



2. The Urogenital Organs of Chimcera monstrosa. By 



T. H. Buelend, M.A. (Camb.), B.Sc. (Loncl.), late 

 Scholar of Christ's College, Cambridge ; Assistant 

 Lecturer and Demonstrator in Zoology, University 

 College, Cardiff 510 



March 15, 1910. 



The Secretary. Report on the Additions to the Society's 



Menagerie during the month of February 1910 534 



Mr. E. W. Shann, B.Sc. An account of some post-mortem 



phenomena observed in a Lemur 535 



Mr. Oldfield Thomas, F.R.S., F.Z.S. Exhibition and de- 

 scription of a new Potto from British East Africa 536 



Mr. D. Seth-Smith, F.Z.S., M.B.O.U. An account of some 

 living examples, in the Society's Gardens, of the Black- 

 hooded Parrakeet (Psephotus cucullatus North) 537 



Mr. George Jennison. Letter from, on the breeding of 

 Pine Snakes in the Zoological Gardens, Belle Vue, 

 Manchester 539 



Mr. Charles Sillem. Exhibition of some living specimens of 



the Crustacean Chirocephalus diaphanus 539 



1. A Contribution to the Skeletal Anatomy of the Frilled 



Shark, Chlamydoselachus anguineus Gar. By T. Goodey, 

 M.Sc. (Birm.), Research Scholar, University of Birming- 

 ham. (Plates XLII.-XLVI.) 540 



2. Additional Notes on the Birds of Hainan. By W. R. 



Ogilvie-Grant, F.Z.S., M.B.O.U 572 



3. On the Variation of the Sea- Elephants. By Dr. Eixar 



Lonnberg, C.M.Z.S . 580 



