254 RESEARCHES IN HELMIXTHOLOGY AND PARASITOLOGY 



1852 (Continued^. 



{103.J On Rhinoceros aiiiericciiius, named from fossil bones collected in Ne- 

 braska. Proc. A. N S., Phila., vol. 6, p. 2. 



104.) On Eniys cidberlsonii, a new species of fossil turtle. Proc. A, N. S., 

 Phila., vol. 6, p. 34. 



105.) On Delphiniis conradi, and a new genus and species, T/ioracosauriis 

 ^raiidis. Proc. A. N. S., Phila., vol. 6, p. 35. 



106.) Dissection of a Oueen Bee. (See Langstroth's article on the impregna- 

 tion of the eggs of the Oueen Bee.) Proc. A. N. S., Phila., vol. 6. p. 50. 



107.) On Pontogcneus prisciis. Proc. A. N. S., Phila., vol. 6, p. 52. 



108.) On the comparative osteology and dentition of the Hippopotamus, point- 

 ing out that the head of the Hippopotamus from Northwest Africa 

 differs from those from vSouthwest Africa. Proc. .\. N. S., Phila., vol. 



6, pp. 52-53- 



109.) On Troglodytes gorilla. Proc. A. N. S., Phila., vol. 6, p. 53. 



no.) On Fossil Tortoises. Proc. A. N. S., Phila., vol. 6, p. 59. 



III.) On the "Red Snow " from the Arctic regions. Proc. A. N. S., Phila., 

 vol. 6, p. 59. 



112.) Extinct species of Ox, and Bodl/ieriiiiii, a new genus. Proc. A. N. vS., 

 Phila., vol. 6, p. 71. 



113.) On the Honey Ant of Mexico. Proc. A. N. S., Phila., vol. 6, p. 72. 



114.) On Tapir haysii . Proc. A. N. S., Phila., vol. 6, p. 106. 



115.) On Bison latifrons (Leidy) and Bison antiqiius (Leidy), and on several 

 species of Megalonyx (3 Leidy). Proc. A. N. S., Phila., vol. 6, p. 117. 



116.) On the extinct Iidentata of North America. Proc. A. N. S., Phila., 

 vol. 6, p. 117. 



117.) Further observation upon Tapir haysii. Proc. A. N. S., Phila., vol. 6, 

 pp. 14S. 



118.) .\ notice of Helix lithophaga, presented 1850, printed 1852. Official 

 Report of the United States Expedition to Explore the Dead Sea, and 

 River Jordan, by Lieut. W. F. Lynch, U. S. N. Publishsd at the 

 National Observatory, Washington. 



1 19.) Description of an extinct species of American Lion, Felis atrax. Read 

 May, 1852. Trans. A. P. S., vol. 10, pp. 319-324, 1853. 



120.) A memoir on the Extinct Dicotylina of North America, read May, 1852, 

 pp. 323-343, Trans. A. P. S., vol. 10, 1853. 



121.) Description of the remains of Extinct Mammalia and Chelonia from 

 Nebraska Territory, collected during the Geological Survey under the 

 direction of Dr. David Dale Owen, by Joseph Leidy, M. D., Phila- 

 delphia. 

 (122.) Quarto, pp. 540-572 of the Report of the Geological vSurvey of Wiscon- 

 sin, Iowa, and Minnesota, by D. D. Owen, under instructions of the 

 U. S. Treasutj- Department. Lippincott, Grambo & Co., Philadelphia, 

 1852. 



3 853. 



(123.) Observations on various Fossil Teeth, Eqiins americanns, H. venusttDii , 

 Oroniys cesopi, Euhradys atitiquus, Ereptodon prisons (Leidy). Proc. 

 A. N. S., Phila.. vol. 6, p. 241. 



