BIBLIOGR. APPENDIX—K. CETACEA, 1049 
1848.—Gibbes, R. W. [Reclamation of the genus Dorudon from the synonymy of Zeuglodon.] 
< Proc. Acad. Nat. Sci. Phila. iv, 1848, p. 57. 
Valenciennes, A. Notice sur un dauphin A deux tétes rapporté des Antilles. < Comptes 
Rendus, Paris, xxvii, 1848, pp. 249, 250. 
1849.—Agassiz, L. [The American porpoise, a new species (P. americana) distinet from the European. } 
< Proce. Boston Soc. Nat. Hist. iii, 1849, p. 225. 
Gray, J. E. Descriptions of three new species of Delphinida. < Proc. Zool. Soc. London, xvii, 
1849, pp. 1-6. 
[D. eutropia, Lagenorhynchus clanculus, L. thicolea.] 
Keller, W. [Remarks on, and chemical analysis of, caleuli from the bladder of a whale. ] 
< Proce. Acad. Nat. Sci. Phila. iv, 1849, p. 180 and p. 185. 
Meigs, C.D. [Letter on the effects of deep-sea pressure on the uterus of the cetacea.] < Proc. 
Acad. Nat. Sci. Phila. iy, 1849, p. 193. 
Meigs, C.D. Observations on the reproductive organs and on the fetus of the Delphinus ne- 
sarnak. < Jour. Acad. Nat. Sci. Phila. (2), i, 1849, art. xxi, pp. 267-273, pll. 35, 36. 
Scoresby, W.,j7. The northern whale-fishery. 18°. 200 pp. London, Religious Tract Society, 
1849. 
Stannius, H. Beschreibung der Muskeln des Tiimmlers (Nelphinus phocwna). < Archiy 
Miiller, 1849, pp. 1-41. 
Thompson, Z. [On some bones of a cetacean recently found near Rutland, Vt.] < Proc. Bos- 
ton Soc. Nat. Hist. iii, 1849, pp. 205, 206. 
[Afterward described as Beluga vermontana.] 
Vrolik, G. Nieuw voorbeeld van twee uitgegroede stoottanden aan denzelfden narval-schedel. 
< Bijdr. tot de Dierkunde, D, 1 (Aflev. 3, 1849), Afd. 2, pp. 21-28, 1 pl. 
Vrolik, W. Natuur- en ontleedkundige beschouwing van den Hyperoodon. <Nat. Verh. 
Maatsch. Wet. Haarlem, v, 1849; (also, apart, Haarlem, 4°, 128 pp. 15 pll.). 
1850.—Berthold, A.A. Ueber das Backenzahnsystem des Narwals. < Gétting. Nachrichten, 1850, pp. 
161-169; Miiller’s Arch. f. Anat. u. Phys. 1850, pp. 386-391; Institut, xviii, no. 873, 1858, pp. 
307-308. 
Cheever, H.T. The whale and his captors; or, the whaleman’s adventures, and the whale’s 
biography, as gathered on the homeward cruise of the “Commodore Preble” .... With 
engravings. .... New York: Harper & Brothers, publishers. 1850. 16°. 314 pp.inel.17 pll. 
Gervais, P. Mémoire sur la familie des cétacés ziphioides, et plus particnliérement sur le 
Ziphius cavirostris de la Méditerranée. < Ann. Sci. Nat. 3e sér, xiv (Zool.), 1850, pp. 5-17. 
Gervais, P. Recherches sur les cétacés du genre .Ziphius, Cuv. < Comptes Rendus, Paris, 
xxxi, 1850, pp. 510-512; Institut, xiv, no. 902, 1851, p. 124. 
Gray, J.B. Catalogue of the specimens of mammalia in the collection of the British Museum. 
Part i—Cetacea. 12°. xii,153 pp.,8 pli. Lendon, printed by order of the trustees, 1850. 
Maury, M.F. On the currents of the Atlantic Ocean. < Proc. Am. Assoc, Ady, Sci, iii, 1850, pp. 
74-79. [With remarks by Professor Agassiz. ] 
[Relates in part to the distribution of whales. } 
Stannius,H. Ueber eine osteologische Kigenthiimlichkeit des Delphinus globiceps. < Miiller’s 
Arch, f. Anat. 1850, pp. 508, £09, with figg. 
Vrolik, W. Over het bekken van der bruinvisch (Delphinus). < Archiy fiir Anat. 1850, pp. 
597-601; Tijdschr. vy. Wis. en Nat. Wetens. Amsterdam, iv, 1851, pp. 73-76, 
Wyman, J. [On an embryo, six inches long, of Balena mysticetus.] < Proc. Boston Soc. Nat. 
Hist. iii, 1850, p. 355. 
Wyman, Z. [Remarks on Zeuglodon.] < Proc. Boston Soe. Nat. Hist. iii, 1850, pp. 328, 329. 
1851.—Cheever, H.T. The whale and his captors; or, the whaleman’s adyentures and the whale’s 
biography. 18°. 250 pp. London, 1851. 
Jager, G. Berichtigung einer Angabe Cuvier’s tiber einen Narwhalschidel des Stuttgarter 
Naturalienkabinets, an welchem beide Stossziihne aus den Zahnhéhlen hervorragen sollen. 
< Wiirttemberg. Naturwiss. Jabreshefte, 7. Jahrg. 1851, pp. 25-32, with figg. 
Leidy, J. [On various reptilian and mammalian remains.] < Proe. Acad. Nat. Sci, Phila. v, 
1851, pp. 325-328. [Priscodelphinus harlani, p. 326; P. grandwvus, p. 327.) 
