No. 87. 



ABSTRACT OF THE PROCEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON.* 



Novemljer 15th, 1910. 



Dr. S. F. Haemer, M.A., F.R.S., Vice-President, 

 in the Chair. 



The Minutes of the last Scientific Meeting were confirmed. 



The Secretary read a Report on the additions that had been 

 made to the Society's Menagerie during the months of June, 

 July, August, September, and October 1910, 



Mr. J. Lewis Bonhote, M,A., F.L.S., F.Z.S., exhibited a spirit- 

 specimen of a young Cairo Spiny Mouse [Acomys cahirinus), 

 about twelve hours old, pointing out the advanced state of the 

 young at birth as compared with the common House-MoTise, and 

 remarked that the period of gestation in Acomys was eleven days 

 at the most, and that the usual number in a litter was three. 



Mr. Bonhote also remarked on a pair of hybrids between the 

 Bramble- Finch [Fringilla mo7itifr mgilkc) s.nd the Chaffinch (Frin- 

 gilla coelebs), which he had deposited at the Gardens and which 

 represented a cross bred for the first time in 1907. He drew 

 attention to the resemblances in the plumage of these birds, and 

 stated that the fertility of the hybrids had not yet been tested. 



Mrs. R. Haig Thomas, F.Z.S., exhibited a series of skins 

 illustrating an experiment in Pheasant-breeding, and gave an 

 account of the production of Thaumalea ohsciira in the F, 

 generation from a cross between 1\ amhersti $ and T. j^icta S • 



Dr. W. NicoLL and Prof. E. A. Minchin, M.A., Y.P.Z.S., exhi- 

 bited specimens of two species of Cysticercoids found in the body- 



* This Abstract is published by the Society at its offices, Zoological Gardens, 

 Regent's Park, N.W,, on the Tuesday following the date of Meeting to which 

 it refers. It will be issued, along with the ' Proceedings,' free of extra charge, 

 to all Fellows who subscribe to the Publications ; but it raay be obtained on tne 

 day of publication at the price of Sixpence, or, if desired, sent post-free for 

 the sum of Six Shillings per annum, payable in adva iice. 



