25 



as to produce some hei^editary effect in succeeding generations. 

 Mr. Cunningham added that his theor}?- was an interpretation in 

 terms of modern physiology of Darwin's theory of pangenesis. 



The next Meeting of the Society for Scientific Business will 

 be held on Tuesday, the 26th May, 1908, at half-past Eight 

 o'clock P.M., when the following communications will be 

 made : — 



1. Oldpield Thomas, F.E.S., F.Z.S., and R. 0. Wroughton, 

 F.Z.S.— The Rudd Exploration of S. Africa, — X. List of Mammals 

 collected by Mr. Grant near Tette, Zambesia. 



2. The Rev. T. R. R. Stebbing, M.A., F.R:S., F.L.S., F.Z.S.— 

 Zoological Results of the Third Tanganyika Expedition, conducted 

 by Dr. W. A. Cunnington, 1904-1905. — Report on the Isopoda 

 Terrestria. 



3. F. E. Beddard, M.A., F.R.S.— On the Anatomy of Ant- 

 ecJdnomys and some other Marsupials, with especial reference 

 to the Intestinal Tract and Mesenteries of these and other 

 Mammals. 



4. Prof. H. G. Seeley, F.R.S., F.Z.S.— The Armour of the 

 Extinct Reptiles of the Genus Pareiasaurus. 



5. The Hon. N. Charles Rothschild, M.A., F.Z.S.— New 

 Siphonaptera. 



The following communications have been received : — 



1. Oldpield Thomas, F.R.S., F.Z.S.— The Duke of Bedford's 

 Zoological Exploration of Eastern Asia. — X. List of Mammals 

 from the Provinces of Chili-li and Shan-si, IsT. China. 



2. James Ritchie, M.A., B.Sc, and D. 0. McIntosh, M.A., 

 B.Sc, F.R.S.E. — On a Case of Imperfect Development in Echinus 

 esculentus. 



3. Prof. E. A. Minchin, M.A., Y.P.Z.S., and D. J. Reid, 

 M.B., CM., F.Z.S. — Observations on the Minute Structure of the 

 Spicules of Calcareous Sponges. 



Communications intended for the Scientific Meetings of the 

 Zoological Society of Lon^don should be addressed to 



P. CHALMERS MITCHELL, 



Secretary, 

 3 Hanover Square, London, W. 



May 19^A, 1908. 



