The next Meeting of the Society for Scientific Business will 

 be held on Tuesday, the 6th February, 1906, at half-past Eight 

 o'clock P.M., when the following communications will be made : — • 



1. Mr. E. S. Russell. — On Trichorhiza, a new Hydroid Genus. 



2. Dr. J. W. Jenkinson. — Notes on the Histology and Phy- 

 siology of the Placenta in Ungulata. 



3. Miss Gertrude Ricardo. — Description of a new Fly of the 

 Family Tahanidce. 



4. Mr. Harold Schwann, F.Z.S. — A List of the Mammals 

 obtained by Messrs. R. B. Woosnam and R. E. Dent in Bechuana- 

 land. 



The following Papers have been received : — 



1. Mr. Bashford Dean. — Notes on the Living Specimens of 

 the Australian Lung-fish {Ceratodus forsteri) in the Zoological 

 Society's Collection. 



2. Mr. Percy I. Lathy, F.Z.S.— On Three new Forms of 

 Butterfly of the Genus Heliconius. 



3. Mr. G. F. Spurrell. — On the Angle of the Jaw. 



4. Mr. Guy A. K. Marshall, F.Z.S.— A Monograph of the 

 Coleoptera of the Genus Sciobitos. 



5. Mr. L. DoNCASTER, F.Z.S. , and the Rev. G. H. Raynor.— • 

 On Breeding Experiments with Lepidoptera. 



6. Mr. W. P. Pycraft, F.Z.S. — Contributions to the Osteology 

 of Birds. — Part VIII. The Tracheophone Passeres, with Remark s 

 on Families allied thereto. 



7. Mr. R. Lydekker. — On a Central- African Ratel and Water- 

 Chevrotain. 



Communications intended for the Scientific Meetings of the 

 Zoological Society of London should be addressed to 



P. CHALMERS MITCHELL, Secreiary. 



3 Hanover Square, London, W. 

 23?tZ January^ 1906. 



