500* APPENDIX. 



exhibited and described various specimens of new or rare birds 

 from Northern India. 



Jan. 27, David Falconar, Esq., Vice-President, in the chair. — The 

 Assistant-Secretary read a communication by Dr Charles Bell, 

 Physician to the British Embassy at the Court of Persia, on 

 the geology of part of the district of Mazunderan. — Professor 

 Jameson exhibited and described a fine specimen of the head 

 of a large mastodon from India ; from the magnificent collection 

 of Sewalic fossils presented to the University by Colonel Col- 

 vin. — Mr Kemp exhibited the experiment of the solidification of 

 carbonic acid gas, 



Feb. 10. David Falconar, Esq., Vice-President, in the chair. — The 

 Assistant- Secretary read, 1st, The second part of Dr Boue's 

 remarks on the scenery, antiquities, population, agriculture, and 

 commerce, of Central Turkey. 2c?, A letter from Dr Smith 

 of Lima, on the use of ice in the cure of cholera morbus in 

 Peru. 3c?, A letter from J. B. Pentland, Esq. containing no- 

 tices on elevated beaches in South America. Mr W. Jameson 

 communicated some remarks on gulls, and described a new spe- 

 cies from India. — Mr Kemp shewed the action of potassium on 

 various gases. 



Feb. 24 David Falconar, Esq., Vice-President, in the chair — Dr Martin 

 Barry gave microscopic demonstrations of the ciliary motions, 

 as well as of individual cilise in the Ostrea edulis, and ex- 

 hibited diagrams of cilia?, or rather of vibrating lamellae, in 

 the four orders of vertebrated animals. He likewise gave a mi- 

 croscopic demonstration of an unimpregnated ovulum of Lepus 

 cunniculus, in which were seen the so-called " chorion," the 

 yolk, containing many globules of oil, the germinal vesicle, and 

 the germinal spot ; and exhibited diagrams shewing essentially 

 the same parts in all classes of animals, from infusoria on the one 



