88 REPORT OF NATIONAL MUSEUM, 1901. 



and published papers on the Lachrymal Bone in Pinnipeds; on the 

 Characters and Relations of Gallinuloides, ;i Fossil Gallinaceous 

 Bird from the Green River Shales of Wyoming; a Description of 

 Skull of Lepidostens atrox; on a New Rhinoceros, Trigonias osbornl, 

 from the Miocene of South Dakota; on The Pelvic Girdle of Zeuglo- 

 doii. Basilosaurus ceioides (Owen); on A New Fossil Cyprinoid, Leucis- 

 cus tumeric from the Miocene of Nevada, and on A New Dinosaur, 

 Stegosaurus marshi, from the Lower Cretaceous of South Dakota. 



ASSISTANCE TO INDIVIDUALS AND INSTITUTIONS. 



As in previous years, :i very considerable amount of material has 

 been lent for study or sent out as exchanges or as direct gifts to 

 schools and colleges. Among the loans mention may be made of ■ the 

 following: 



To Alexander Agassiz, Museum of Comparative Zoology of Harvard 

 University, 28 specimens and -i thin sections of rocks, from the Gala- 

 pagos Islands. 



To Charles Palache, Harvard University, 28 thin sections of Alas- 

 kan rocks. 



To II. A. Robinson, Peabody Museum of Yale University. 7 speci- 

 mens of volcanic rock. 



To the United States Geological Survey, specimens of minerals for 

 use in chemical and physical investigations. 



To Dr. J. M. Clarke, of the States Museum, Albany, New York, 559 

 specimens of ( )riskany fossils, collected by Mr. Schuchert in the Gaspe 

 region. 



To Prof. James Perrin Smith, Leland Stanford Junior University, 

 California, 19 Texas ammonoids from the Carboniferous formation and 

 77 Triassic ammonoids. 



To Dr. O. P. Hay and J. W. Gidley, of the American Museum of 

 Natural History, New York City, material for use in the preparation 

 of papers on the chelonia and the horse. 



In the way of exchanges material has been sent out as follows: 



To Rev. Mark C. Hayford, Cape Coast, West Africa, 22 specimens 

 of rocks and ores. 



To Dr. F. Ordonez, City of Mexico, *i specimens of eruptive rocks. 



To II. S. Washington, Locust, New Jersey. 2 specimens of eruptive 

 rocks. 



To L. Y. Pirsson, Vale University, 15 specimens of eruptive rocks. 



To W. C. BrSgger, Christiania, Norway, 79 specimens of eruptive 

 rocks. 



To H. A. Ward, Rochester, New York, 2 specimens of meteorites. 



To F. W. Hutton, curator of Canterbury Museum, New Zealand, a 

 series of Titanotherium bones and i:'» specimens of invertebrates. 



