352 PROCEEDINGS OF THE NATIONAL MUSEUM vol.90 



Skull and lower jaws; a series of 24 dorsal vertebrae, 15 dorsal ribs, 

 sternal bones of a second individual, and numerous other bones (Kel- 

 logg, R., Carnegie Inst. Washington Publ. 482, pp. 7-20, 1938). A 

 skull of Castoroides ohioensh from the Pleistocene near Logansport, 

 Ind., was presented by L. S. McFadin (Lyon, Marcus W., Amer. Midi. 

 Nat, vol. 17, No. 1, figs. 81, 82, 1936) . The type skull and lower jaw of 

 Mesoteras kemanm (Cope, E. D., Amer. Nat., vol. 4, p. 128, 1870) were 

 presented by the State Museum of North Carolina. 



1895 



A skull of Portheus molossus from the Niobrara, Upper Cretaceous, 

 of Kansas was received in exchange from Edward E. Howell ; a skull 

 of Bkon from the Pleistocene of Kansas was presented by Dr. A. G. 

 Chase ; a skeleton of I chthyosauo^i^ quadncissus from the Jurassic of 

 Lyme Regis, England, was received in exchange with the Wagner 

 Free Institute. 



Other accessions for this year were : Case of the skeleton of Pelago- 

 saurus typus, in exchange with the University of Caen, France ; plas- 

 ter casts of the skull of Ichthyosaurus platyodon; a skull of Elephas 

 ganesa; a skeleton of Plesiosaui^rS dolichoderius ; a skeleton of Plesio- 

 saurus macrocephalus, purchased from Ward's Natural Science Estab- 

 lishment; casts of vertebrate specimens received in exchange with 

 the La Plata Museum, Argentina ; skull of Toxodon^ skull of Trlgodon, 

 skull and jaw of Nesodon^ jaw of Nesodon^ skull and jaw of Propdl- 

 aeohoplophorus^ skull of Dasypotherium., femur, tibia, and fibula of 

 Brontomis; skull of Onohippidium and deformed skull of Astra- 

 pothenum; 22 casts of mammalian specimens from the Paris Basin, 

 received in exchange with the Museum of Natural History, Paris ; the 

 sixth installment of the Lacoe collection contained three boxes of 

 fossil fishes. 



An important collection of 28 Triassic fishes from Massachus-etts. 

 collected by S. Ward Loper, was received as a gift from the United 

 States Geological Survey. 



1896 



The most important accession acquired this year was the Lacoe 

 collection of fossil plants and invertebrates, which included 408 fish, 

 amphibian, and reptilian, specimens received as a gift from the heirs 

 of R. D. Lacoe. Among the vertebrates the Tertiai*y was represented 

 by specimens from the Green River of Wyoming and from Switzer- 

 land ; Triassic by specimens from the Appalachian region ; Paleozoic 

 by specimens from Great Britain, France, and the coal fields of Ohio. 

 Pennsylvania, and Mazon Creek, 111. Many of the Ohio spe-cimens are 

 now unique, since further specimens cannot be obtained because of the 

 exhaustion of the coal mines. 



