‘ . 
Cope. ] 2 l 6 (Nov, 17, 1871. 
PLATE I.—Hypsibema crassicauda. 
1. Caudal Vertebra of Hadrosaurus tripos, side. la. Articular face. 
2. do. young? a. end, b. below. 
8. Eschrichtius polyporus, side. 3a. above. 
PLATE Il.—Zypsibema ecrassicauda. 
1. Humerus, distal portion, from below. 1a. From end. 
2. Tibia shaft, from the side ; 2a. from end. 
8. Caudal Vertebra. 
4. Coprolite fragment. 
PLATE IlI.—Hadrosaurus tripos. Lschrichtius polyporus. 
1. Fibula, lower portion ; a. proximal end of fragment. 
2. Outer metatarsal, inner side ; 2a. proximal end of do. 
PLATE IV.—Mesoteras kerrianus. Clepsysaurus pennsyloanicus. The- 
cachampsa rugosa. Polydectes biturgidus. Belodon priscus. Diodon 
antiquus. 
1. Mesosteras kerrianus, periotic bones. 1a. Interior view; 1b. end view. 
2. Polydectes biturgidus, crown of tooth, side ; 2a. inner view. 
3. Thecachampsa rugosa, crown of tooth, inner view. 
4. Clepsysaurus, tooth, inside a 4a, posterior view; 4b. section 
base ; 4c. do. near extremity; 4d. baso of larger sp. 
5. Belodon? priscus, anterior tooth ; 5a. posterior view of another ; 5b. 
lateral view of a posterior tooth ; 5c. edge of do. 
Diodon antiquus, upper jaw front; 6a. do. from below ; 6b. lower 
jaw from front; 6c. do. from above. 
Stated Meeting, December 1, 1871. 
Present, ten members. 
Dr. HMERSON in the Chair. 
A letter of acknowledgment (86) was received from the 
Society of Antiquaries, dated | London, November 8 
Letters of envoy were received from the Pontifical Academy 
d. N. L., dated Rome, June 7, 1869; and from the Public 
Museum, at Buenos Ay res, dated July 12, leit 
A letter was received from Mr. H. H. Leech, dated New 
‘York, Noy. 18, 1871, offering for sale the ss. Pabl es of M. 
Lorin, of Paris. 
Donations for the Library were announced, from the P. A. 
d. N. L. at Rome, the R. Institutes at Milan and Venice, the 
R. Observatories at Moncaliere and Turin, Signori Dorna, 
Biff, Muoni, Buccellati, Ferraris, Gabba, Mussi and Denza 
rein the Public Museum at Buenos Ayres; the Editors of 
the Revue Politique, Old and New, the American Chemist, 
and from Yale College. 
Te, ee ei of the quasi coin described below, 
_ was presented to the Cabinet by Mr. Dubois. 
An Obituary notice of Sir John F. W. Herschel, written 
by Mr. H. W. Field, of the Royal Mint, London, pursuant to to 
appointment, was read by Mr. Patterson, 
