26 



of the Genera Thinocorus and Atiinjls ; Notes on the 

 Anatomy of Passerine Birds — Part II.; Notes on the 

 Anatomy of Passerine Birds— Part III.; A Memoir 

 on the Brain of the Sumatran Rhinoceros ; On some 

 Points in the Visceral Anatomy of the Rhinoceros of 

 the Sunderbunds {Rhinoceros sondaicus) ; Note on an 

 Anatomical PecuHarity in certain Storks; On the Tcenia 

 of the Rhinoceros of the Sunderbunds {Playiotcenia gi- 

 yantea, Peters) ; Notes on the Anatomy of the Chinese 

 Water-Deer [Hydropotes inermis) ; Note on the Possible 

 Cause of Death in a young Seal ; Note on the Absence or 

 Presence of a Gall-bladder in the family of the Parrots. 



The Prosector reports that the mortality in the Society's 

 Gai'dens during the year 1877 "fis less than it had been in 

 the two previous years, and that specially among the 

 larger FelidcE was this reduction noticed, most probably 

 on account of the new Lion-house affording more favour- 

 able protection during the colder months. 



7. Menagerie. 



The number of animals belonging to the first tliree 

 classes of Vertebrates living in the Society's Menagerie at 

 the close of 1877 ^^as 2200. The corresponding number 

 on the 31st of December, 1876, was 2265, as will be seen 

 by the subjoined Table : — 



The total number of registered additions to the Mena- 

 gerie in 1877 was 1260, of which 506 were acquired by 

 presentation, 324 by purchase, 181 were bred in the 

 Gardens, 181 were received on deposit, and 68 obtained 

 in exchange. 



The mode in which these figures compare with those of 

 previous years is shown in the subjoined table : — 



