MEMOIRS OF THE PEABODY MUSEUM OF NATURAL HISTORY 



YALE UNIVERSITY 



Volume I. Odontornithes: A Monograph on the Extinct Toothed Birds of North 

 America. By Othniel Charles Marsh. Pp. i-ix, 1-201, pis. 1-34, 

 text figs. 1-40. 1880. To be obtained from the Peabody Museum. 

 Price $3. 



Volume II. Parti. Brachiospongidae : A Memoir on a Group of Silurian Sponges. 

 By Charles Emerson Beecher. Pp. 1-28, pis. 1-6, text figs. 1-4. 

 1889. To be obtained from the Peabody Museum. Price $1. 



Volume III. Part 1. American Mesozoic Mammalia. By George Gaylord Simp- 

 son. Pp. i-xvi, 1-171, pis. 1-32, text figs. 1-62. 1929. To be 

 obtained from the Yale University Press, New Haven, Conn. 

 Price $5. 



Part 2. A Remarkable Ground Sloth. By Richard Swann Lull. 

 Pp. i-x, 1-20, pis. 1-9, text figs. 1-3. 1929. To be obtained from 

 the Yale University Press, New Haven, Conn. Price $1. 



Part 3. A Revision of the Ceratopsia or Horned Dinosaurs. By 

 Richard Swann Lull. Pp. i-xii, 1-175, pis. 1-17, text figs. 1-42. 

 1933. To be obtained from the Peabody Museum. Price $5 

 (bound in cloth), $4 (bound in paper). 



Part 4. The Merycoidodontidse, an Extinct Group of Ruminant 

 Mammals. By Malcolm Rutherford Thorpe. Pp. i-xxii, 1-428, 

 pis. 1-50, text figs. 1-188. 1937. To be obtained from the Peabody 

 Museum. Price $8 (bound in cloth), $7 (bound in paper). 



Volume IV. Part 1. Brachiopod Genera of the Suborders Orthoidea and Pentam- 

 eroidea. By Charles Schuchert and G. Arthur Cooper. Pp. i-xii, 

 1-270, pis. A and 1-29, text figs. 1-36. 1932. To be obtained 

 from the Peabody Museum. Price $7 (bound in cloth), $6 (bound 

 in paper). 



