INDEX. 



IX. 



fvrider, John, don. to mus., i., iv.. xxvi. 

 Kuhn, Carl, don. to lib., xxi. 



Lacordaire, Theo., don. to lib., ix.; 

 xxvii. 



Lambert, John, don. to mus., i., vii., 

 xxxiii. 



Lapham, J. A., don. to lib., xv., xxix., 

 xxxii. 



Latour, M. H., don. to lib., xv. 



Latrobe, J. H. B., don. to lib., xxiv. 



Latham, G., don. to mus., xxxiii. 



Lawson, the Misses, don. to lib., xxxv. 



Lea, Isaac, don. to mus., i., vii., xiii., 

 xiv., xxx. ; don. to lib., xii., xxii.; 

 xxiv., xxvii., xxxiv. ; remarks on 

 Acostaea guarduasana of D : Orbigny, 

 1 ; rectification of Mr. T. A.Conrad's 

 " Synopsis of the family Naiades of 

 N. America," published in the Pro- 

 ceedings of the A. N. S. of Philada., 

 Feb., 1853, 236 ; reference to the 

 tanned skin of the Walrus, used for 

 polishing cutlery, at Hull, England, 

 265 ; description of a new Mollusk, 

 from the Red Sandstone near Potts- 

 ville,Pa., 340. 



Le Conte, Major, don.to mus.,xxxvii. ; 

 notice of American animals formerly 

 known, but now forgotten or lost, 8 ; 

 remarks on Magnolia Pyramidata of 

 Bartram, 174 ; descriptions of four 

 new species of Kinosternum, 180; 

 Catalogue of American Testudinata, 

 189 ; observations on the Vespertilio 

 Leporinus of Lin., 190 ; descriptions 

 of new species of Astacus from Geor- 

 gia, 400 ; on a new species of Gelasi- 

 mus, 402 ; remarks on two species of 

 American Cimex, 404 : Descriptive 

 Catalogue of the Ranina of the U. 

 States, 423 ; observations on the N. 

 American species of Bats, 431; des- 

 cription of two new species of Hes- 

 peromys, 442. 

 Le Conte, Dr. John L., don. to mus., 

 i., vi., xiv. ; don. to lib., ii. ; descrip- 

 tions of some new Coleoptera from ! 

 Oregon, collected by Dr. J. G. Coop- j 

 er, on N.Pacific R. R. route, 16; 

 synopsis of the CEdemerida? of the U. 

 States, 20 ; note on the genus Ambly- 

 chila, Say, 32 ; synopsis of the species j 

 of Platynus and allied genera inhabit- 

 ing the U. S., 35 ; remarks on a frag- 

 ment of the jaw of a new Pachyderm 

 from the Tertiary of Virginia, 69 ; 

 synopsis of the Cucuiides of the U. j 

 S., 73 ; synopsis of the Dermestidae 



of the U. S., 106; synopsis of the 

 Byrrhidae of the U. S., 113 ; synopsis 

 of the Erotylidae of the U. S., 158; 

 descriptions of the species of Trox 

 and Omorgus inhabiting the U. S., 

 211 ; some corrections in the Nomen- 

 clature of Coleoptera found in the U. 

 S., 216 ; descriptions of new Coleop- 

 tera collected by Thos. H. Webb, M. 

 D., in 1850-1-2, while Sec'y to the 

 U. S. Boundary Commission, 220 ; re- 

 marks on tailless Cats, 286; remarks 

 on some misrepresentations contained 

 in the " Catalogue des larves des 

 Coleopteres,' J by M. M. Chapinsand 

 Candeze, 288; Analytical Table of 

 the species of Hydroporus, found in 

 the IJ. S., with descriptions of new 

 species, 290; synopsis of Lathridiide 

 of the (J. S. and northern contiguous 

 Territories, 299: notes on the Amara>. 

 of the [J. S., 345 ; synopsis of the 

 Hydrophilida? of the TJ. S.,^356. 



Leeds Philosophical and Literary Soc, 

 don. to lib., vii. 



Leidy, Dr. Joseph, don v to mus., i., vi.. 

 xiv., xxi., xxiii., xxx., xxxiii. ; don. 

 to lib., xviii., xxxi., xxxviii. ; re- 

 marks on exhibiting to the Society 

 four vertebrae of a huge extinct Sau- 

 rian from Arkansas, for which he pro- 

 posed the name of Brimosaurus gran- 

 dis, 72 ; remarks on Sus Americanus 

 of Harlan, or Harlanus Americanus 

 of Owen, which he considered identi- 

 cal with Bison latifrons, 89 ; remark- 

 on several fossils indicating new 

 species of extinct mammalia, 90 ; re- 

 marks on the dentition of a new- 

 species of mammal from Nebraska, 

 which he characterized under the 

 name of Dinictis felina, 127 ; re- 

 marks on Prof. Lindley's review o! 

 "A Flora and Fauna within living 

 animals," 128; synopsis of Extinct 

 Mammalia, the remains of which 

 have been discovered in the Eocene 

 formation of Nebraska, 156 ; descrip- 

 tion of a fossil apparently indicating 

 an extinct species of the Camel tribe. 

 172 ; on Urnatella gracilis and a new 

 species of Plumatella, 191 ; notice of 

 Fossil Bones discovered by Mr. F. A. 

 Lincke, on the banks of the Ohio 

 river, 199; remarks on exhibiting a 

 drawing of a species of Hydraena 

 found in the mantle of Unio purpu- 

 reus, 202 ; remarks on the question 

 of the identity of Bootherium Cavi- 

 frons with Ovibus moschatus, or O. 



