349 



Dr. Kneeland observed that the same substance is 

 abundant in the Portage Lake region, and exhibited 

 from the Cabinet of the Society a large specimen ob- 

 tained by him from the Isle Royale Mine. 



A letter from Dr. W. H. Myers, of Fort Wayne, Ind., 

 proposing to exchange shells for the Society's Proceed- 

 ings, was referred to the Curator of Conchology and the 

 Committee on Publications. 



Dr. Kneeland presented a small framed engraving of 

 J. J. Audubon, as he appeared in the later years of his 

 life. 



Mr. Paul B. Du Chaillu was elected a Corresponding 

 Member ; and Messrs. Nathaniel L. Hooper and J. H. 

 Woodbury, of Boston, Resident Members. 



September 19, 1860. 



The President in the Chair. 



Dr. Henry Bryant gave an account of a recent visit to 

 the coast of Labrador. 



He found Briinnich's guillemot ( Uria Brunnicliii, Sab.) and 

 the bridled guillemot {Uria marmorata, Lath.) breeding abun- 

 dantly on Gannet Rock, a locality considerably farther south than 

 they have been generally supposed to breed. 



Dr. C. T. Jackson gave an account of a visit to some 

 old mines in the vicinity of Franconia, N. H., which 

 had been recently reopened, viz. : the Franconia iron 

 mine, one of rich argentiferous galena at Warren, and 

 a copper mine at Bath. 



Dr. Jackson announced that he had discovered anda- 



