LEI] 



941 



[LEI 



Leidy, Joseph. 36. Notes on the clevelopcment 

 of the Gordius aquaticus. Philad. Acad. Nat. 

 Sci. Proc. V., 1850-51, pp. 98-100. 



37. Two new species of infusorial En- 



tozoa (Nyctotherus ovalis and Bodo julidis). 

 Philad. Acad. Nat, Sci. Proe.V., 1850-51, p. 100. 



38. Description of some Nematoid Entozoa 



infesting Insects (Streptosoraa gracile, Thelas- 

 toma appendiculatum, T. labiatum, T. robustum, 

 etc.). Philad. Acad. Nat, Sci. Proc. V., 1850- 

 51, pp. 100-102. 



39. Descriptions of three Filariie (F. ho- 



miuis-oris, F. canis-cordis, F. Borc-constrictoris). 

 Philad. Acad. Nat. Sci. Proc. V., 1850-51, pp. 

 117-119. 



40. On the nettling organs of the Hydra. 



Philad. Acad. Nat. Sci. Proc. V., 1850-51, pp. 

 119-121. 



41. On some fossil Mammalian remains 



(Rhinoceros Nebraskensis ; Agriochoerus, n. g.; 

 Palaaotherium). Philad. Aead. Nat. Sci. Proc. 

 V., 1850-51, pp. 121-122. 



42. Descriptions of new genera (Peloscolex, 



Rhynchoscolex, Emea, Auortha) of Vermes. 

 Philad. Acad. Nat. Sci. Proc. V., 1850-51, pp. 

 124-126. 



43. Descriptions of new species of Entozoa 



(Cuculanus roseus, Ascaris Felis discoloris, 

 etc.). Philad. Acad. Nat. Sci. Proc. V., 1850- 

 51, pp. 155-156. 



44. On a fossil Tortoise, Stylemys Ne- 



brascensis. Philad. Acad. Nat. Sci. Proc. V., 

 1850-51, pp. 172-173. 



45. Contributions to Helminthology. 



Philad. Acad. Nat, Sci. Proc. V., 1850-51, pp. 

 205-209, 224-227, 239-244, 284-290, 349- 

 351. 



46. On fossil remains of Ruminant ungu- 

 lates from Nebraska (Oreodou priscum, O. gra- 

 cile, Cotylops speciosa). Philad. Acad. Nat. 

 Sci. Proc. V., 1850-51, pp. 237-239. 



47. [On the genus Plumatella, Base.'] 



Philad. Acad. Nat, Sci. Proc. V., 1850-51, pp. 

 261-263. 



48. On Cristatella, Cm: Philad. Acad. 



Nat, Sci. Proc. V., 1850-51, pp. 265-266. 



49. Corrections and additions to former 



papers on Helminthology. Philad. Acad. Nat. 

 Sci. Proc. V., 1850-51, pp. 284-290. 



SO. On the fossil remains of Balaana 



palceatlantica and B. prisca, from the Miocene 

 formation of Virginia. Philad. Acad. Nat. Sci. 

 Proc. V., 1850-51, pp. 308-309. 



51. On some American freshwater Poly- 



zoa (Pectinatella magnitica, Plumatella diffusa, 

 and P. nitida, Paludicella elongata, and Urna- 

 tella gracilis). Philad. Acad. Nat. Sci. Proc. 

 V., 1850-51, pp. 320-322. 



Leidy, Joseph. 52. On some fossil Reptilian 

 and Mammalian remains (Cimoliasaurus mag- 

 nus, Discosaurus vetustus, Crocodilus fastigi- 

 atus, Emys Oweni). Philad. Acad. Nat. Sci. 

 Proc. V., 1850-51, pp. 325-330. 



53. Descriptions of some American An- 

 nelida abranchia (Nais gracilis, N. rivuk>3a, Pris- 

 tina longiseta, Strephuris agilis, etc.). Philad. 

 Journ. Acad. Nat. Sci. II., 1850-54, pp. 43- 

 50. 



54. Description of a new species of Croco- 



dile (Crocodilus antiquus) from the Miocene of 

 Virginia. Philad. Journ. Acad. Nat. Sci. II., 

 1850-54, pp. 135-138. 



55. On the osteology of the head of 



Hippopotamus, and a description of the osteo- 

 logical characters of a new genus of Hippo- 

 potamid;e (Chreropsis Liberiensis). Philad. 

 Jouru. Acad. Nat, Sci. II., 1850-54, pp. 207- 

 224. 



56. On Bathyguathus liorealis, an extinct 



Saurian of the new Red Sandstone of Prince 

 Edward's Island. Philad. Journ. Acad. Nat. 

 Sci. II., 1850-54, pp. 327-330. 



57. Zoological Researches. Silliman, 



Journ. XL, 1851, pp. 274-275. 



58. Report upon some fossil Mammalia 



and Chelonia from Nebraska. Smithsonian 

 Reports, 1852, pp. 63-65. 



59. On a new species of fossil Delphinus 



(D. Conradi) and a new saurian, Thoracosaurus 

 grandis. Philad. Acad. Nat. Sci. Proc. VI., 

 1852-53, p. 35. 



6O. Ursus amplidens, new fossil species. 



Philad. Acad. Nat, Sci. Proc. VI., 1852-53, p. 

 303. 



61. On some fossil Cetacean remains. 



Philad. Acad. Nat. Sci. Proc. VI., 1852-53, pp. 

 377-378. 



62. On the organisation of the genus 



Gregarina, Dufour. [1851.] Amer. Phil. Soc. 

 Trans. X., 1853, pp. 233-240. 



63. Some observations on Nematoidea 



imperfecta, and descriptions of three parasitic 

 Infusoria (Nyctotherus velox, N. ovalis, Bodo 

 Julidis). Amer. Phil. Soc. Trans. X., 1853, 

 pp. 241-244. 



64. Description of an extinct species of 



American Lion, Felis atrox. [1852.] Amer. 

 Phil. Soc. Trans. X., 1853, pp. 319-322. 



65. A memoir on the extinct Dicotylinaj 



of America. [1852.] Amer. Phil. Soc. Trans. 

 X., 1853, pp. 323-344. 



66. A Flora and Fauna within Living 



Animals. [1851.] Smithson. Contrib. V., 

 1853. 



67. Memoir on the extinct species of 



American Ox (Bison latifrons). [1852.] 

 Smithson. Contrib. V., 1853. 



