1038 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 



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

 Hays, I. [On Tetraoaulodon.] Proo. Am. Philos. Soo. Pbila. ii, 1841, pp. 105, 106. 



Horner, W. E. | Corrects j>;i i>i-i on the dental Byetetn of mastodon. | < Proc. Am. Pbilos. Soo. 

 I'll. la. ii. 1841, pp. 6,7. 



1843. — Hays, I. "On tbe family ProboBcidea, their general character ami relations, their mode of 

 dentition, and geological distribution." <Proe. Am. Philos. Soc. Phila. iii, 1843, pp. 14-48. 

 Horner, W. B. Remarks on the dental sj stein or tin- 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. Pbilos. Soc. Phila. n. s. viii. 1843, art. i\ . pp. 53-59. 

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



mastodon. < Trans. Am. l'lulos. Soc. Phila. n. s. viii, 1843, art. ii, pp. 37-48. 

 Kairp, J. J. Bemerkungen iiber drei Artec Mastodon nnd die drei Arten Tetracanlodon des 



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

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



Australia. <\\nu. Nat. Hist, xiv, 1-1 1. pp. 268-271 ; Calcutta Jonrn. Nat. Hist, v, 1845, pp. 



572-576. 

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



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

 Shurtleff, N. B. [On the skeleton of Mastodon gigantenm from a marl-pit uearNewburg, N. 



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

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



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



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



, — . Tbe mastodon of Neveburg, N. Y., discovered in August, 1845. <[ Am. Jonrn. Sci. 



and Arts (2), i, 184(1, pp. 268-270. 

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

 [From Proc. Bost. Soo. 1840, p. 92.] 

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



< Am. Journ. Sci. and Arts (2), iv, 1S47, art. ii, pp. 13-19. 

 | "Extracted from Prof. Owen's British Fossil Mammalia", 1646] 



1848. — Warren, J. C. [On a tooth of Mastodon gigantens from Oregon and ou M. angustidens.] 



<l'roc. Boston Soc. Nat. Hist, iii, 1848, pp. 41,42. 

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



<l'roc. Host. Soc Nat. Hist, iii, 1849, p. 104. 

 Christo), J. de. Classitication parallele des pachydermes a molaires sans cdinent et a molaires 



avec cdnient. < Comp. Bend. Acad. Sci. Paris, xxix, 1849, pp. 363-366 ; lnstitut, xvii, 1849, 



no. 822, p. 313. 

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



iii, 1849, p. 207. 

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



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



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



p. 116. 

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



Nat. Hist, iii, 1949, p. 111. 

 Warren, J. C. I Presentation of a east 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, 



p. 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 Elepbas of Prof. Agassiz. <[ Proc. Am. Assoc. Adv. 



Sci. in. 1850, p. 69. 

 Warren, J. C. On the Mastodi n angustidens. < Proc. Am. Assoc. Adv. Sci. ii, 1800, pp. 93-95. 



