32 



Dr. J. C. MoTTRAM, M.B., gave an account of his communi- 

 cation entitled " Some Observations upon Concealment by the 

 apparent Disruption of Surface in a Plane at Right Angles to the 

 Surface," and illustrated his remarks with lantern-slides. 



The Secretary, on behalf of Mr. D. Seth-Smith, F.Z.S., 

 Curator of Birds, exhibited a set of lantern-slides prepared from 

 photographs of mammals taken by Mr. Seth-Smith iu the 

 Society's Gardens. 



The next Meeting of the Society for Scientific Business will be 

 held on Tuesday, l^ovember 20th, 1917, at 5.30 p.m., when the 

 following communications will be made : — 



Exhibitions and Notices. 



S. A. Neave, F.Z.S. 



Exhibition of Lantern -si ides illustrating the scenery of 

 dij0ferent regions of Africa with remarks about the character- 

 istic fauna. 



Professor J. P. Hill, D.Sc, F.R.S., F.Z.S. 



The new-born Marsupial and its mode of birth, illustrated 

 by lantern-slides. 



Professor E. W. MacBride, M;A., D.Sc, F.B..S., F.Z.S. 

 The development of Eclmiocardmvn cordatum. 



J. J. Joicey, F.Z.S., and George Talbot. 



a. New South American Rhopalocera, 



b. New South American Arctiidse. 



c. New Butterflies from Africa and the East. 



d. Gynandromorph of Pajpilio lycophron Hbn. 



e. Three Aberrations of Lepidoptera. 



