1050 MONOGRAPHS OP NORTH AMERICAN RODENTIA. 



1851. — Leidy, J. [On two fossil miocene species of Balsona — B. paljeatlantica, B. prisca.] <Proo. 



Acatl. Nat. Sci. Phila. v, 1851, pp. 308,309. 

 Miiller, J. Avar-cranium. — Zeuglodon. < Ofversigt K. Vet. Akad. Forhancll. Stockholm, 1851, 



pp. 126, 127. 

 Miiller, J. Zur Kenutniss der Zenglodonten. < Bericht. Verb. K. Pr. Akad. Wiss. Berlin, lfc51, 



pp. 230-246. 

 1852.— Gray, J. E. Observations on Hyperoodon latifroiis. <Ann. Nat. Hist, ix, 1852, pp. 407-410. 



Leidy, J. [Remarks on a fossil Delphinus (D. conradi) from the miocene of Virginia, and a 



foss.l crocodilian reptile from New Jersey.] <Proc. Acad. Nat. Sci. Pbila. vi, 1852, p. 35. 

 1853.— Cabot, S. [On a deformity in tbe lower jaw of a spermaceti whale.] < Proc. Boston Soc. Nat. 



Hist, iv, 1853, p. 3C0. 

 Claudius, M. Di.ss. de Lagenorhynchis. 4 pp. Kilize, C. F. Mohr, 1853-54. 

 Gervais, P. Description de quelqiies espfeces de phoques et de c^tacds. <^ Ann. Sci. Nat. xx 



(Zool.), 1853, pp. 281-292. 

 Ibeidy, J. [Observations on the remains of extinct Cetacea and Pinnipedia from the green-sand 



of New Jersey and from South Carolina and Virginia.] <Proc. Acad. Nat. Sci. Phila. vi, 



1853, pp. 377, 378. 



OTven, R. Baleen. — Whalebone. <^ Ann. Sci. i, 1853, pp. 167, 168. 

 [Prof. Owen's lectnre— Society of Arts.] 



Ow^en, R. Note on the transverse processes of the two-toothed Dolphin (Hyperoodon bidens). 



< Ann. Nat. Hist. 2d ser. xi, 1853, pp. 435, 436. 

 Rehiiller, M. On the capture of Delphinus orca in South Greenland. <Proc. Zool. Soc. Lon- 

 don, xxi, 1853, 103. 

 1854. — Thompson, W. On the occurrence of the bottle-headed whale, Hyperoodon bidens, Flem., 

 and remarks thereon. <^ Auu. Nat. Hist. 2d ser. xiv, 1854, pp. 347-350. 

 ■Warren, J. C. [Historical sketch of Zeuglodon.] <^ Proc. Boston Soc. Nat. Hist, v, 1854, pp. 

 91, 92. 

 1855. — Hamel, J. The whale-killer, or thresher, mentioned by Tradescant in the journal of his voy- 

 age to Russia in 1618. <Proc. Am. Assoc. Adv. Sci. vii, 1855, pp. 258-271. 

 Mayer, F. J. C Ueber die Structur der Hautbedeckungen der Cetaceeu. <[ Nova Acta Acad. 

 Leop. Carol. Nat. Cur. xxv, pt. i, 1855, pp. 449-476, 3 pll. 

 1856.— Heddle, R. On the whale of the genus Physalus Gray [Baloenoptera] (Ph. duguidii) captured 

 in Orkney. <;Proc. Zool. Soc. London, xxiv, 1856, pp. 187-198, 2 pll. 



Pucheran, J. Note sur les caraoteres zoologiques do quelques espP>ces de c6tac<!s. <^Comptes 



Reudus, xlii, 1856, pp. 445,446. , 



Pucheran, J. Notices niamnialogiques (c6tac6s). <[ Rev. et Mag. Zool. viii, 1856, pp. 144-149, 



315-321, 302-369, 449-460, 545-552. 

 Rousseau, L. F. E. Do la dentition des c^tacfe, et de la place qu'occupent les fanons dans la 



bouche dfs baleines. < Revne et Mag. de Zool. 2e s6r. viii, 1856, pp. 193-208, 257-260, 305-311, 



i!53-3(;2. 



1857. — Beneden, P. J. van. Sur une baleiue prise prfes de I'llo Vlleland et dont le sqnelette est niont^ 

 au Jardiu Royal de Zoologie d'Anver8,PterobaliBua communis [Balajuoptera rostrata]. <^ Bull. 

 Acad. Brnx. 2e s<Sr. i, 1857, pp. 390-403. 



Jager, G. von. Bemerknngen iiber die Veriinderung der Ziihue von Siiugethiereu im Laufe 

 ihrer Entwickelung, namentlich bei dem Narwhal (Monodon monoceros), und dem Cachalot 

 (Physeter marrocephalus). <^ Bull. Soc. Nat. Moscou, xxx (pte. 2), 1857, pp. 571-580. 

 Wyman, J. [On the eye of a sperm whale] <[ Proe. Boston Soc. Nat. Hist, vi, 18.57, pp. 125, 

 1-JO. 



1858.— Bouve, T. T. [On Zonglodon cetoides.] < Proc. Bost. Soc. Nat. Hist, vi, 1858, pp. 421, 422. 



1859. — Knox, R. Coniribntions to the anatomy and n.itural history of the cetacea. <[Linu. Soc. 

 Jonrn. iii, 18.59 (Zool.), pp. 63-76. 



I860.— Atwood, N. E. [On finback and Fperm whales.] <Proc. Boston Soc. Nat. Hist, vii, 1860, p. 

 tZ6. 



