11 



R. 11. Mole, C.IM.Z.S. 



The Trinidad Snakes. 

 Mauy L. Hett, ]?.Sc., F.Z.8. 



(1) On tlie Family I;iuguatulidtc. 



(2) Zoological Ilesnlts of the Third Tanganyika Expedition 

 conducted by Dr. W. A. Cunnington, F.Z.S., 1 904-1905: 

 Report on the Lingnatulid.'c. 



E. W. SiiANN, E.Sc, F.Z.S. 



Investigations on the Comparative Morphology of Fishes. 



H. C. OiiADwiCK, A.L S. 



On some Abnormal and Impeifectly Developed Specimens of 

 the Sea -Urchin Echimis esculentibs. 



The Publication Committee desire to call the attention of 

 those who propose to offer Papers to the Society, to the great 

 increase in the cost of paper and printing. This will render it 

 necessary for the present tliat pnpers should bo condensed and 

 be limited so i'iir :>s po.ssible to tlie description of new results. 



Communications intended for the Scientific Meetings should 

 be addressed to 



P. CHALMERS MITCHELL, 



Secretary. 

 Zoological Society of London, 



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

 JVovember 27th,l92'S. 



