1002 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
1826 —Harlan, R. Description of an hermaphrodite orang outang [Iylobates concolor, n. sp.], lately. 
living in Philadelphia. < Journ. Acad. Nat. Sci. Phila. v, 1826, pp. 229-236, pll. 9-10. 
1329.—Baer, K. E. von. Lettre sur la formation de ’euf dans Vespéce humaine et dans les mammi- 
feres. < Repert. Anat. Physiol. vii, 1829, pp. 155-218. 
1834.—Harlan, R. Description of a species of orang [Simia (Hylobates) hoolock], from the North- 
Eastern Province of British East India, lately the Kingdom of Assam. < Trans. Am. Philos. 
Soe. Phila. iv, no. iii, 1834, pp. 52-59, pl. 2. 
Lewis, W., jr. Description of a gibbon [ Hylobates fuscus, n. sp.]. < Boston Journ. Nat. Hist. 
i, pt. ii, 1834, art. iii,pp. 32-40. 
1836.—Owen, R. [On the morbid appearance observed in the dissection of the chimpanzee (Simia 
troglodytes, Linn.).] < Proce. Zool. Soe. London, 1836, pp. 41-43. 
1843.—Savage, T.S. Observations on the external characters and habits of the Troglodytes niger, 
Geoff. By Thomas S. Savage, M. D. .... And on its organization, by Jeffries Wyman, 
M.D. < Boston Journ. Nat. Hist. iv, no. iii, April, 1843, art. xxx, pp. 362-386. 
1845.—Lund, P. W. Sur l’antiquité de la race américaine et sur les rapports qu’on peut lui supposer 
avec Jes races de l’ancien monde. < Comptes Rendus Acad. Sci. Paris, xx, 1845, pp. 1368-1370; 
Froriep, Notizen, xxxv, 1845, col. 161-163. 
1847.—Savage, T.S. [On the external characters and habits of Troglodytes gorilla.] < Proc. Boston 
Soc. Nat. Hist. ii, 1847, pp. 245, 246. 
Savage, T. S., and Wyman, J. Notice of the external characters and habits of Troglodytes 
gorilla, a new species of orang from the Gaboon River, by Thomas C. Savage, M. D. 
Osteology of the same, by Jeffries Wyman, M. D. ....< Boston Journ. Nat. Hist. v, no. 
iv, Dec. 1847, art. xxxiv, pp. 417-441, pll. 40-43. 
Wyman, J. [On the osteol ogical characters of Troglodytes gorilla.] < Proc. Boston Soc. Nat. 
Hist. ii, 1847, pp. 246, 247. 
Wyman, J. [On Prof. Owen’s opinion respecting the identity of the gorilla with an adult 
chimpanzee.] < Proc. Boston Soc. Nat. Hist. ii, 1847, p. 249. 
1848.—Cassin, J. [Remarks on the management of monkeys in captivity.] < Proc. Acad. Nat. Sci. 
Phila. iv, 1848, pp. 3-4. 
Hallowell, E. Notes of the post mortem appearances observed in a Cynocephalus porcarius, 
which died in the menagerie at Philadelphia. < Proc. Acad. Nat. Sci. Phila. iv, 1848, pp. 86, 87. 
Hallowe!l, E. Post mortem appearances observed in a Cynocephalus papio, which died at 
the menagerie in Philadelphia. < Proc. Acad. Nat. Sci. Phila. iv, 1848, pp. 62, 63. 
Lesson, R.-P. Etudes sur les mammiféres primates. < Revue Zool. xi, 1848, pp. 159-170, 191- 
210, 223-235, 255-260. 
Wyman, J. A new species of Troglodytes. < Am. Journ. Sci. and Arts (2), v, 1848, pp. 106, 107. 
1849.—Hallowell, E. Notes of the post mortem appearances of a Cynocephalus which died in the 
menagerie at Philadelphia. < Proc. Acad. Nat. Sci. Phila. iv, 1849, pp. 151-152. 
Leidy, J. [On the existence of the intermaxillary bone in the embryo of the human subject.] 
< Proce, Acad. Nat. Sci. Phila. iv, 1849, pp. 145-147, with 2 figg. 
Morton, S.G. Observations on the size of the brain in various raees and families of man, 
<Proc. Acad. Nat. Sci. Phila. iv, 1849, pp. 221-224, with table. 
Savage, T.S. A description of the characters and habits of Troglodytes gorilla. < Am. Journ. 
Sci. and Arts (2), viii, 1849, pp. 141, 142. 
Wyman, J. [On the gorilla.] < Proc. Am. Acad. Arts and Sci. ii, 1849, p. 164. 
1850.—Morton, S.G. [Continuation of memoir on size of brain in the races of man.] < Proc. Acad. 
Nat. Sci. Phila. v, 1850, pp. 1, 2, 30-32. 
Wyman, J. A description of two additional crania of the Engé-ena (Troglodytes gorilla, 
Savage) from Gaboon, Africa. < Am. Journ. Sci. and Arts (2), ix, 1850, art. vii, pp. 34-45. 
1851.—Kneeland, S,, jr. [Does the human lumbar vertebra develop a rib?”] < Proc. Boston Soc. 
Nat. Hist. iy, 1851, pp. 126-129. 
1852.—Kneeland, S.,, jr. [On a skeleton of the great chimpanzee, Troglodytes gorilla.] < Proc, Bos- 
ton Soc. Nat. Hist. iv, 1852, pp. 209, 216, 
Kneeland, S., jr. On the skeleton of the great chimpanzee, Troglodytes gorilla. < Boston 
Journ, Nat. Hist. vi, no. iii, June, 1852, art. xxi, pp. 336-347. 
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