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Some Observations on the Albino. By John Davy, M.D., 
F.R.S. Lond. and Ed., &c., . . * 416 
Note on the Bisulphide of Iodine. By Frederick Guthrie, 417 
Notice of an Expeditious Method (believed to be new) for 
Computing the Time of Descent in a Circular Arc. 
By Edward Sang, Esq., . . . . 419 
Note on a Modification of the Apparatus employed for one 
of Ampere’s Fundamental Experiments in Electro- 
dynamics. By Professor Tait, . . • 421 
Donations to the Library, . . . • 422 
Monday , 4 th March 1861. 
Memoir of the late Rev. Dr John Fleming. By Alexander 
Bryson, Esq., . . * . .423 
On Zoological Classification, and the Parallelism of the 
Mammal, Marsupial, and Ornithic Classes, By Pro- 
fessor Macdonald, .... 423 
Donations to the Library, . . . .423 
Monday , 18 th March 1861. 
On the Properties of the Secretion of the Human Pancreas. 
By William Turner, M.B. (Lond.), Senior De- 
monstrator of Anatomy, University of Edinburgh, 425 
On the Acrid Fluid of the Toad ( Bufo vulgaris )* By 
John Davy, M.D., F.R.S. Lond. and Edin., &c>, -. 426 
On Gyrolite occurring with Calcite in Apophyllite in the 
Trap of the Bay of Fundy. By Henry How, Professor 
of Chemistry and Natural History, King’s College, 
Windsor, Nova Scotia, .... 426 
On Natro-boro-calcite, and another Borate occurring in the 
Gypsum of Nova Scotia. By Henry How, Pro- 
fessor of Chemistry and Natural History, King’s 
College, Windsor, N.S., .... 428 
On some Derivatives from the Olefines. By Frederick 
Guthrie, Professor of Chemistry and Physics in the 
Royal College, Mauritius, . . .433 
Donations to the Library, . . . .435 
