6 



Professor E. W. MacBride, M.A., D.Sc, F.R.S., F.Z.S., gave 

 an account, illustrated by lantern-slides, of his recent investi- 

 gations into the development of the Sea-Urehin (Echinocardnom 

 cordatnni). 



The next Meeting of the Society for Scientific Business will be 

 held on Tuesday, March 5th, 1918, at 5.30 p.m., when the 

 following communications will be made : — 



R. I. PococK, F.R.S., F.Z.S. 



On the External Characters of the Lemurs and Tarsius. 

 (Illustrated by lantern-slides.) 



Sir George F. Hampson, B t., F.Z.S. 



A Classification of the Pyrcdidce, Subfamily Hypsotropince. 



The following Paper has been received : — 



Miss Maude L. W. Cleqhorivt, F.Z .S., F.L.S., F .E.S. 



First Report on the Inheritance of Visible and Invisible 

 Characters in Silkworms. 



Communications intended for the Scientific Meetings should 

 be addressed to 



P. CHALMERS MITCHELL, 



Secretary. 



Zoological Society op London, 

 Regent's Park, London, K.W. 8. 

 February 26th, 1918. 



