152 TKANS ACTIONS OP THE 



ovum, it would at once be seen that the Medusa could not be con- 

 sidered a perfect animal. However, if this definition were accepted, 

 we were compelled to consider that animals which had originated 

 by budding were not separate individuals even although in every 

 particular they were the same as the animals they had sprung 

 from. In the course of his paper Mr. Harvie referred to the bene- 

 ficial efiects of syringing the water of an aquarium, and suggested 

 that storms might have a similar effect on the ocean by oxygenat- 

 ing its waters. The paj)er was illustrated by carefully executed 

 drawings. 



At its close an interesting discussion on the various definitions 

 of the term " individual " took place. 



25th jAJ!fUARY, 1876. 



Mr. James Allan, Vice-President, in the chair. 

 Messrs. John M'Intyre, 52 Weaver Street, and T. B. Birchall, 

 46 Shamrock Street, were elected members of the Society. 



SPECIMENS EXHIBITED. 



By Mr. R. H. Paterson. — Specimens of the Cape Pigeon, the 

 Stormy Petrel, and the Sooty Albatross, from the neighbourhood 

 of Cape Horn. Also the skin of a Pelican from the Australian 

 bush. 



PAPER READ. 



Mr. David Gregorson read a paper entitled " Marks of Biologi- 

 cal Progress," in which he gave the outlines of what he supposed 

 might have been the sequence of organic development, and 

 instanced various supposed analogies between difierent branches of 

 the animal and vegetable kingdoms. A lengthened discussion 

 followed the reading of Mr. Gregorson 's paper. 



8th February, 1876. 



Mr. James Allan, Yice-President. in the chair. 

 Mr. Bobert Kidston, 97 Kent Road, was elected a member of 

 the Society. 



