AMERICAN 
JOURNAL OF SCIENCE AND ARTS, 
[THIRD SERIES] 
Arr. XXIX.—Discovery of Additional Remains of Pterosauria, 
with Descriptions of two new Species ; by Professor O. C. MARSH, 
of Yale College. 
wise of great size, showing that these peculiar ga so jong 
deemed wanting in America, were apparently well represent 
Pterodactylus occidentalis Marsh. 
The additional remains of this species, discovered by. our 
Party during the past summer, consist of portions of five indi- 
* This Journal, vol. i, p. 472, June, 1871. As this name had already been ap- 
Plied Provisionally by secey toa Pterodactyl from the Greensand of England, the 
Present species ma ed Pterodactylus occi is. 
Am. Jour. Sc1.—Turrp Series, Vot. III, No. 16—APRIL, 1872. 
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