Xll. LIVERPOOL BIOLOGICAL SOCIETY. 



representative body of Members of the Owens College 

 Biological Society was present. 



1. Prof. Sherrington contributed a paper on " Motor 



localization in the brain of the Gorilla/' in which 

 was contained the result of recent researches on the 

 localization of motor centres. 



2. Dr. O'Connell exhibited and described living 



specimens of the poisonous lizard, Heloderma ; and 

 Mr. Y. H. Sugden exhibited a very fine example of 

 the Ringed Snake. 



3. Mr. H. C. Beasley exhibited a series of casts of foot- 



prints of recent Peptilia, taken in conjunction with 

 Dr. O'Connell for the purpose of comparison with 

 fossil footprints from the Trias at Storeton and 

 elsewhere. 



4. Prof. IJerdman brief!}- described the Pearl producing 



parasites of the Ceylon Pearl Oyster. 



The seventh meeting of the nineteenth session was held 

 at the University, on Friday, May 12th, 1905. The 

 President in the Chair. 



1. Mr. II. C. Beasley exhibited casts of various footprints 



of Rhyncosaurus from different localities, made 

 into a single slab of plaster. 



2. Dr. O'Connell exhibited and described the habits and 



points in the structure of a number of living 

 Chelonians. 



3. Prof. Moore contributed a paper on researches made at 



Port Erin on the susceptibility of fertilized Echino- 

 derm eggs to minute doses of chemicals, in stimu- 

 lating segmentation. 



