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HISTORY OF THE SOCIETY. 



507 



hand, to man on the other, in other words, " fundamental unity 

 of structure." 



Professor Jameson, President, in the chair — Dr Robert Ha- jyi^^c^'io 

 milton exhibited beautiful coloured drawings of the known spe- 

 cies of seals, and made remarks on the characters and habits of 

 each. — Mr R. J, Hay Cunningham read a paper on elevated 

 beaches, in references especially to a deposit near Cockburnspath. 

 — Dr Martin Barry then read a paper on the blood, in regard 

 particularly to the application of histological characters in zoo- 

 logical classification, first proposed by Professor Wagner of 

 Erlangen, in Bavaria. He pointed out some remarkable coinci- 

 dences between the size of the red particles, and the degree of 

 concentration of the germinative spots in fishes and amphibia, 

 and gave a microscopic demonstration of the blood granules of 

 the ostrea edulis, and of the unimpregnated ovulum of birds and 

 osseous fishes. 



Dr Charles Anderson, Vice-President, in the chair Dr Wil- March 24, 



liam Macdonald read a paper on the analogy between the loco- 

 motive organs in fishes and insects, illustrating the theory of 

 unity of organization throughout the animal kingdom, with de- 

 monstrations from specimens, accompanied by drawings and dia- 

 grams. — Dr R. Hamilton concluded his exhibition and descrip- 

 tion of drawings (by Mr Stewart) of the various species of the 

 seal tribe. — An extensive collection of fossil fishes from Burdie- 

 house, belonging to R. J. Hay Cunningham, Esq., was exhibited 

 and explained. 



Professor Jameson, President, in the chair. — Mr Hay Cun- April 7. 

 ningham read a geognostical account of the southern part of the 

 mainland of Shetland, exhibiting specimens of the dift'erent rocks, 

 and illustrating his descriptions by large coloured sketches of 

 some of the more interesting junctions, veins, &c. 



