Januaet 18, 1907] 



SCIENCE 



99 



Dr. R. S. Lull, Yale University, New Haven, 

 Conn. 



Dr. J. H. McGregor, Columbia University, New 

 York City, N. Y. 



Dr. W. D. Matthew, American Museum of 

 Natural History, New York City, N. Y. 



Professor H. F. Osborn, American Museum of 

 Natural History, New York City, N. Y. 



Professor W. B. Scott, Princeton University, 

 Princeton, N. J. 



Dr. W. J. Sinclair, Princeton University, 

 Princeton, N. J. 



The following papers were presented at 

 the meeting : 



TITLES OF PAPEES BEAD AT THE MEETING 



Dr. J. H. McGkegoe : ' Mesosaurus and Stereo- 

 sternum from the Permian of Brazil.' Illustrated 

 by drawings, photographs and specimens. 



Professor H. F. Osborn : ' Faunal Succession in 

 the American Tertiaries.' Charts and lantern. 



Professor H. F. Osborn : ' Brief Notices of 

 Tyrannosaurus, Naosaurus, Elephag columbi, 

 Allosaurus, and other Vertebrates Recently 

 Mounted at the American Museum of Natural 

 History.' 



Dr. W. D. Matthew : ' A Lower Miocene Fauna 

 from South Dakota.' 



Professor F. B. LoOMis : ' Conditions imder 

 which the Wasatch and Wind River Beds were 

 Deposited.' 



Dr. L. Hussakof: 'The Devonic Fish-bearing 

 Formations of Ohio and Eastern Canada.' 

 Lantern illustrations. 



Dr. Bashfoed Dean : ' Notes on Fossil Sharks.' 

 Illustrated by models. 



Dr. W. K. Geegoet : ' Brief Notes and Obser- 

 vations on the Theory of Trituberculy.' 



Dr. W. K. Geegoet: 'Exhibition of a Speci- 

 men of Prorosmarus alleni, a Primitive Walrus 

 from the Miocene.' 



Professor W. B. Scott : 'The Litoptema.' 

 (The President's address). 



Dr. Chas. S. Mead: 'The Gait and Correct 

 Pose of Brontosaurus.' Illustrated by model of 

 skeleton. 



Mr. A. 0. Peteeson: 'A Section of the Lower 

 Miocene of Nebraska, and a List of its Verte- 

 brate Fauna.' 



Mr. Eael Douglas: 'A Restoration of Palaeo- 

 meryx.' 



The following officers were elected for 

 the ensuing year: 



President — Professor Bashford Dean, Columbia 

 University, New York City, N. Y. 



Secretary-Treasurer — Professor Frederick B. 

 Loomis, Amherst College, Amherst, Mass. 



Executive Committee — Professor E. H. Bar- 

 bour, University of Nebraska, Lincoln, Nebraska; 

 Mr. Lawrence M. Lambe, Geological Survey of 

 Canada, Ottawa, Canada; Professor J. C. Mer- 

 riam. University of California, Berkeley, Cali- 

 fornia; Dr. W. J. Sinclair, Princeton University, 

 Princeton, N. J. 



Marcus S. Fare, 

 Secretary-Treasurer 

 Peinceton, N. J., 

 December 31, 1906 



SCIENTIFIC BOOKS 



THE BULLETIN OF THE AMERICAN MUSEUM OF 



natural HISTORY. 



In the issue of May 25, 1900, of this journal 

 a review was given of the Bulletin of the 

 American Museum of Natural History. It 

 was intended to be of some assistance to those 

 unacquainted with the extent of these scien- 

 tific contributions. It was suggestive simply, 

 and embraced no intention of giving details 

 or exhaustive titles. It concluded with vol- 

 ume SII. Since then nine volumes have 

 been published, and a new series of subjects 



BULLETIN SEEIES: ANALYSIS OP CONTENTS. 

 (PAPEES PUBLISHED.) 



