29 



Stomach of the Darter [Plotus anhinqa) " ; " Oa the Con- 

 formation of the Trachea in the Ratite Birds " ; " Notes 

 on the Incubation of the Indian Python {Pi/t/ion molurus), 

 with special regard to the alleged increase of temperature 

 during that period." 



The following papers, based on materials from the 

 Society's Gardens, have also been read before the Society: 

 — " Additional Observations on the Anatomy of the Spotted 

 Hy£ena {Hy(Bna crocuta)," by Prof. ^Morrison Watson, 

 Owens College, INIanchester ; and " On the Condition of the 

 median portion of the Vaginal Apparatus in the Macro- 

 podidse," by Messrs. J. J. Lister, Cambridge, and J. J. 

 Fletcher, Sydney, N.S.W. 



Numerous specimens have been forwarded from the 

 Prosector's Department to the Museum of the Royal 

 College of Surgeons, the University Museum at Cambridge, 

 the Museum of Comparative Zoology, Cambridge, Mass., 

 and to other institutions, as well as to private workers, 

 including Prof. W. K. Parker, Prof. Turner, Dr. I^Iax 

 Furbmger, of Amsterdam, Prof. Gegenbaur, Dr. Hans 

 Gadow, and others. 



8. Menagerie. 



The number of animals belonging to the first three 

 classes of Vertebrates living in the Society's Menagerie at 

 the close of 1881 was 2294. The corresponding number 

 on the 31st of December, 1880, Avas 23/2, as will be seen 

 by the subjoined Table : — 



Quadrupeds 



Birds 



Eeptiles ... 



The total number of registered additions to the Mena- 

 gerie in 1881 was 1213, of which 565 were acquired by 

 presentation, 310 by purchase, 167 were bred in the 

 Gardens, 136 were received on deposit, and 35 obtained 



in exchange 



