80 THE ZOOLOGIST. 



January 15, 1884.— E. W. H. Holdsworth, Esq., F.Z.S., in the chair. 



The Secretary read a report on the additions that had been made to the 

 Society's Menagerie during the month of December, 1883. 



The Secretary exhibited, on the part of Mr. H. Whitely, an immature 

 specimen of the Night Heron, Nycticorax griseus, which had been shot in 

 Plumstead Marshes, Kent, in December last. 



A communication was read from Mr. J. C. O'Halloran, Chief Com- 

 missioner and Police Magistrate for Rodriguez, accompanying a specimen 

 of a large Lizard found only in that island, and very rare there. The 

 specimen had been identified by Mr. Boulenger as Phelsumu Newtoni, 

 belonging to the family GeckotidcB. 



Sir Joseph Fayrer exhibited some additional specimens of the horns of 

 Deer gnawed by other Deer, in confirmation of previous remarks on the 

 subject. 



Canon Tristram exhibited and made remarks upon some specimens of 

 species of the genus Pachycephala, which appeared to have been ignored or 

 wrongly united to other species in a recently pulilished volume of the 

 ' Catalogue of Birds of the British Museum.' 



Mr. W. F. R. Weldon read a paper in which he gave a description of 

 the placenta in 7'elraceros quadricornis. The author shovved that this 

 placenta is iutermediate between that of Moschus and that of the typical 

 BovidiB, having few cotyledons with diffuse vascular ridges between them. 

 Associated with tliis primitive character is a uniserial psalterium. 



A second paper by Mr. Weldon contained some notes on the anatomy 

 of a rare American Monkey, Callithrix gigot, which had recently died in 

 the Society's Gardens. The author gave a description of the external 

 charactei-3, and the principal viscera were compared with those of C. moloch 

 and of Mycetes. 



A communication was read from Mr. E. J. Miers, giving an account of 

 a collection of Crustacea from the Mauritius, which had been forwarded to 

 the British Museum by M. V. de Robillard. In the collection was an 

 example of a new species of Calliaimssa, proposed to be called C. Martensi. 



Mr. Francis Day read a paper on races and hybrids among the 

 Salmonidm, and exhibited a series of specimens of young Salmon and 

 hybrid Salmonidm reared at Sir J. Gibson Maitland's Howietown Fish 

 Establishment. 



Prof. F. Jeffrey Bell read a paper on the generic position and relations 

 of Echinanthus tumidus of Tenison-Woods, from the Australian Seas, 

 which he showed to belong to a different genus, proposed to be called 

 Anoiiialaidlnis. — P. L. Sclatek, Secretary. 



= 7T, 



