384 CANADIAN INSTITUTE. 



Professor Chapman exhibited, and commented on a collection of these English 

 concretionary bodies, presented to the Institute, through Dr. Gibb, by Mr. Stowe 

 of Buckingham : and also exhibited and presented to the Institute, specimens of 

 some peculiar silicious concretions, — hitherto, he believed unnoticed, — from the 

 Black River Limestone, of the Lake of St. John, near the Indian village of Rama, 

 lying to the north-east of Lake Simcoe, Canada West. 



SIXTEENTH ORDINARY MEETING. — 18l7i April, 1851. 



Col. Baron de Rottenburg, Vice-President, in the Chair. 



The following Donations for the Library were announced, and the thanks of the 



Institute voted to the Donors : 



1. From the Geological Society of Dublin : 



"Vols. 1, (wanting part 1,) 2, 3,4, 5, 6, and part 1 of vol ?, of the Journal of 

 the Geological Society of Dublin." 



2. From the Author : 



"Observations on the construction of an Hospital for the Insane. (Pamphlet.) 

 By B. R. Morris, B.A., M.D., : 



" Theory as to the cause of Insanity, (Pamphlet.) By B. R. Morris, B.A.,M.D.' ( 



The following Gentlemen mere elected Members : 



Oliver Wells, Esq., Crown Land Department, Three Rivers, 



C. E. 

 Charles B. Chalmers, Esq., F.R.AS., Barrie, C.W. 

 The following papers were then read : 



1. By Prof. Cherriman, M.A., : 

 " On Vision." 



2. By J. Hirchfelder, Esq., : 



" Observations on bedding out plants." 



3. By Professor Chapman : 



" On the occurrence of the Genus Cryptoceras in Silurian Rocks." 



This being the last meeting of the Session, T. W. Birchall, Esq, and Samuel 

 Spreull, Esq., were appointed Auditors, in accordance with the laws. The Chair- 

 man, after congratulating the members on the prosperous state of the Institute, and 

 the valuable communications from time to time submitted to the meetings, by which 

 their attraction have been maintained with undiminished interest, invited the 

 attention of the members to such subjects of scientific value as might come under 

 their notice during the summer recess, with a view to communications to be 

 brought under the notice of the Institute, either through the medium of the Jour- 

 nal, or at the meetings of next session, and adjourned the meeting till November. 



