23 



111 all these cases x^epeated infection undoubtedly had followed 

 from contamination of food and drink with f;eces containing 

 eggs of the parasite. The infection could be eliminated by steam 

 sterilisation of the cages, or still more easily by changing the 

 species of animal living in the particular paddocks or cages, for 

 Helminthes were often peculiarly selective as regards their hosts, 

 and those flourishing in one animal sometimes found it impossible 

 to continue their life even in closely allied forms. 



Sir E. Ray Lankester, K.C.B., F.R.S., F.Z.S., exhibited a 

 special Supplement of the ' Field ' newspaper dealing with the 

 British non-migratory Trout, and called attention to this new 

 medium for the publication of scientific observations requiring 

 illustration. 



The Secretary read a letter from the Governor of Seychelles, 

 received through the Secretary of State for the Colonies, on the 

 subject of the herd of Land-Tortoises at Government House, 

 Mahe. 



Mr. K. I. FococK, F.L.S., F.Z.S., Superintendent of the 

 Gardens, exhibited the body of a newly-born cub of the Masked 

 Palm-Civet {Paradoxurus larvatus) from Szechuen, and after 

 pointing out its differences from the adult, drew attention to a 

 peculiar abnormality in the left foreleg. 



Mr. F. E. Beddard, M.A., F.R.S., F.Z.S., Prosector to the 

 Society, read a paper on some Mammalian Tapeworms which 

 had been collected from animals that had died in the Society's 

 Gardens. This collection was the result of nearly two years' 

 examination of a very large number of animals, but did not 

 contain a very large number of species. Tapeworms were 

 by no means so common as other parasitic worms, particularly 

 Nematodes, which were the most abundant among the animals 

 in the Gardens. 



Dr. S. F. Harmer, M.A., F.R.S., V.P.Z.S., communicated a 

 paper by Mr. J. A. Morch, of Ohristiania, on the Natural History 

 of Whalebone Whales, drawing attention to, and throwing light 

 upon, some of the problems connected with the migrations of the 

 larger Oetacea. 



