100 LIST OP CONTRIBUTORS. 



Leidy, Joseph. Continued. 



On Entozoa from Naiades. P '57, 18 



. List of extinct Vertebrata, the remains of which have been 



discovered in the region of the Missouri River: with remarks 

 on the geologic age. P '57, 89 



On the fossil inkbag of a cuttlefish. P '57, 149 



On corprolites and shales from Phoenixville. P '57, 149 



■ On fossils from Gwynedd tunnel. P '57. 150 



Notices of some remains of extinct fishes. P '57, 167 



Rectifications of the references of certain of the extinct mam- 

 malian genera of Nebraska. P '57, 175 



On the dentition of Mososaurus. P '57, 176 



On the sounds made by insects. P '57, 177 



— — On Dictyophora vorax. P '57, 204 



On the larva of Oestrus. P '57, 204 



On Gordius. P '57, 204 



On the introduction of the camel in North America. P '57, 210 



On mammalian remains from Nebraska, P '58, 1, 10, 11 



On remains of an extinct camel from Nebraska. P '58, 1 



■ On Urnatella gracilis. P '58, 1 



• On the lower jaw of a wolf. P '58, 2 



On fossil Mammalia from Nebraska. P '58. 7 



■ On Elephas imperator. P '58, 10 



On teeth of elephant. P '58, 10 



On extinct horses from Niobrara River. P '58, 11 



On Mastodon from Maryland. P '58, 12 



■ On Tapirus mastodontoides. P '58, 12 



Notice of remains of extinct Vertebrata, from the valley of 



the Niobrara River, collected during the Exploring Expedition 

 of 1857, in Nebraska, under the command of Lieut. G. W. 

 Warren, U. S. Top. Eng., by Dr. P. V. Hayden, Geologist of 

 the expedition. P '58, 20 



— On method of repairing fossils. P '58, 89. 



— On Manaynnkia speoioxa. P '58, 90; '59, 2 



— Contributions to lielminthology. P '58, 110 



On species of Ichneumon infesting the cankerworm. P 



'58, 187 



On Khynehodeiniis svlvatiens. P '58, 171 



— On cryolite. P '58, 177 



— On remains of a reindeer from Vincentown, X. J. I' '58, 179 



— on Cristatella. P '58, 188 



