1038 MONOGRAPHS OF NOETH AMBEICAN EODENTIA. 



1841.— Hays, I. [On fossil bones of mastodon.] <;Proc. Am.Philos. Soc. Phila. ii, 1841, pp. 102, 103. 

 Hays, I. [On Totracaulodon.] <Proc. Am. Pliilos. Soc. Phila. ii, 1841, pp. 105,106. 

 Horner, W. E. [Corrects paper on the dental system of mastodon.] <Proc. Am. PUilos. Soc. 

 Pbila. li, 1841, pp. C, 7. 



1843. Hays, I. "On the family Proboscidea, their general character and relations, their mode of 



dentition, and geological distribution." < Proc. Am. Philos. Soc. Phila. iii, 1843, pp. 44-48. 

 Horner, W. E. Remarks on the dental system of the mastodon, with an account of some lower 

 jaws in Mr. Koch's collection, St. Louis, Missouri, where there is a solitary tusk on the right 

 side. < Trans. Am. Philos. Soc. Phila. n. s. viii, 1843, art. iv, pp. 53-59. 

 Homer, W. E., and Hays, I. Description of an entire head and various other bones of the 



mastodon. < Trans. Am. Philos. Soc. Phila. n. s. viii, 1843, art. li, pp. 37-48. 

 Kaup, J. J. Bemerkungen iiber drei Arten Mastodon und die drei Arten Tetracaulodon des 

 Herrn Isaak Hays. < Archiv fur Naturg. ix, 1843, pp. 168-175. 

 1844. — Ov7en, R. Description of a fossil molar tooth of a mastodon discovered by Count Strzlecki iu 

 Australia. -c^^Ann. Nat. Hist, xiv, 1844, pp. 268-271; Calcutta Jouru. Nat. Hist, v, 1845, pp. 

 572-576. 

 1846.— Jackson, J. B. S. [On bones of Mastodon giganteus from a marl pit on Schorley's Mountain, 

 N. J.] < Proc. Boston Soc. Nat. Hist, ii, 1846, pp. 60-62. 

 Shurtleff, N. B. [On the skeleton of Mastodon giganteum from a marl-pit near Newburg, N. 



Y.] < Proc. Boston Soc. Nat. Hist, ii, 1846, pp. 96-98. 

 Shurtleff, N. B. [On some peculiarities of the skeleton of Elephas indicus.] <[ Proc. Boston 

 Soc. Nat. Hist, ii, 1846, pp. 116-118. 



, — . Mastodon giganteus. <[Am. Journ. Sci. and Arts (2), ii, 1846, pp. 131-133. 



, — . The mastodon of Newburg, N. Y., discovered in August, 1845. ■^ Am. Jovu-n. Sci. 



and Arts (2), i, 1846, pp. 268-270. 

 1847.— Gray, A. Food of the mastodon. < Am. Journ. Sci. and Arts (2), iii, 1847, p. 436. 

 (From Proc. Best. Soc. 1846, p. 92.) 

 Ovren, R. General geological distribution and probable food and climate of the mammoth. 



< Am. Journ. Sci. and Arts (2), iv, 1847, art. ii, pp. 13-19. 

 [" Extracted from Prof. Owi'n's British ro.ssil Mammalia", 1846 ) 



1848. — Warren, J. C. [On a tooth of Mastodon giganteus from Oregon and on M. august ideus.] 



< Proc. Boston Soc. Nat. Hist, iii, 1848, pp. 41,42. 



1849. — Cabot, G. [Doubts respecting the alleged geographical distribution of Mastodon angustidens.] 



< Proc. Bost. Soc. Nat. Hist, iii, 1849, p. 104. 



Christol, J. de. Classification parallfele des pachydermes ^ molaires sans c6uient et it molairea 

 avec cement. <Couip. Rend. Acad. Sci. Paris, xxix, 1849, pp. 363-366; Institut, xvii, 1849, 

 no. 822, p. 313. 



Desor, E. [On a fine skeleton of a mastodon at Galena, Mo.] <Proc. Boston Soc. Nat. Hist, 

 iii, 1849, p. 207. 



Gould, A. A. [On the nature of the Ohio clay formation containing the mastodon bones.] 



< Proc. Bust. Soc. Nat. Hist, iii, 1849, pp. 117, 118. 



Pickering, C. [On the distribution of the mastodon.] < Proc. Bost. Soc. Nat. Hist, iii, 1849, 



p. 110. 

 Warren, J. C. [On the geological position of the Mastodon giganteus.] <[Proc. Bost. Soc. 



Nat. Hist, iii, 1S49, p. 111. 

 Warren, J. C. [Presentation of a cast of a cranium of a young mastodon.] <[ Proc. Bost. Soc. 



Nat. Hist, iii, 1849, p. 209. 

 Wyman, J. [On the number of species of mastodon.] <^ Proc. Bost. Soc. Nat. Hist, iii, 1849, 



l>. 104. 

 1850.— Agassiz, L. On the fossil remains of an elephant found in Vermont. <[ Proc. Am. Assoc. Adv. 



Sci. ii, 1850, pp. 100,101. 

 Gibbes, R. W. Remarks on the northern Elephas of Prof. Agassiz. <^ Proc. Am. Assoc. Adv. 



Sci. iii, 1850, p. 69. 

 ■Warren, J. C. On the Mastodi;n angustidens. < Proc. Am. Assoc. Adv. Sci. ii, 1850, pp. 93-95. 



