22 



A second paper by Dr, Gemmill contained descriptions of cases 

 of supernumerary eyes, and local deficiency and reduplication of 

 the notocliord, in Trout embiyos. 



A communication from Mr. Percy I. Lathy, F.Z.S., contained 

 descriptions of tlii-ee new varieties of Buttei'flies of the geniis 

 Heliconius. 



The next Meeting of the Society for Scientific Business will 

 be held on Tviesday, the 1st May, 1906, at half- past Eight o'clock 

 P.M., when the following communications will be made : — 



1. The Hon. Walter Rothschild, M.P., F.Z.S. — Additional 

 Notes on Anthropoid Apes, with exhibition of specimens. 



2. Mr. Oldfield Thomas, F.R.S., F.Z.S. — On Mammals col- 

 lected in South-w^est Australia by Mr. W. E. Balston. 



3. Mr. H. J. Elwes, F.R.S., F.Z.S., and Sir George Hampson, 

 Bt., F.Z.S. — On the Lepidoptera collected during the recent 

 Expedition to Tibet. 



The following Papers have been received : — 



1. Mr. F. E. Beddard, F.R.S. — Contributions to the Know- 

 ledge of the Yascular and Respiratory Systems in the Ophidia, 

 and to the Anatomy of the Genera Boa and Corallus. 



2. Mr. J. N. Halbert. — Zoological Results of the Third 

 Tanganyika Expedition conducted by Mr. W. A. Cunnington, 

 1904-05. Report on the Hych-achnidce,. 



3. Mr. Oldfield Thomas, F.R.S. — On Mammals from Northern 

 Australia j)resented to the National Museum by Sir William 

 Ingram and the Hon. John Forrest. 



4. Prof. W. B. Benham, D.Sc, and Mr. W. J. Dijnbae.— On 

 the Skull of a young Specimen of the Ribbon Fish [Regalecus). 



5. Mr. Alwin K. Haagner, F.Z.S. — A List of the Mammals of 



Modderfontein, Transvaal, with Notes on their Habits. 



Communications intended for the Scientific Meetings of the 

 Zoological Society of London should be addressed to 



P. CHALMERS MITCHELL, Secretary. 



3 Hanover Square, London, W. 

 llth April, 1906. 



