1048 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
1845.—Guérin, A. H. On the rock-nose of the whaler, a variety of the Balxna mysticetus. < Edinb. 
New Philos. Journ. xxxix, 1845, pp. 266-269. : 
Jackson, J. B.S. Dissection of a spermaceti whale and three other cetaceans. < Boston 
Journ. Nat. Hist. v, no. ii, Oct. 1845, art. i, pp. 137-171, pll. 15, 16. ; 
[Spermaceti whale, pp. 138-153; foetal dolphin, pp. 153-160; Phoczena globiceps, pp. 160-167; Phocwena com- 
munis, pp. 167-171.) 0 
Jackson, J. B. S. [On the skeleton of a whale, related to the Rorqual du cap of Cuvier, taken 
off the coast of Maine.] < Proc. Boston Soc. Nat. Hist. ii, 1845, pp. 53, 54. 
Knox, R. Observations on the anatomy of the rorqual, drawn up from the dissection of a 
specimen found dead off North Berwick. < Proc. Roy. Soc. Edinb. i, 1845, pp. 14, 15. 
1846.—Buckley, S.B. On the Zeuglodon remains of Alabama. < Am. Journ. Sci. and Arts (2), ii, 
1846, pp. 125-131, with 2 figg. 
Eschricht, D. F. Om Balenoptera, om deres osteologie og arteforskiel. < Oversigt K. Dansk. 
Selsk. Forhandl. 1546, pp. 2-5. 
Reichenbach, H. G.L. Die Cetaceen oder Walthiere, nach den nevesten Entdeckungen mono- 
graphisch zusammengestellt und durch 73 Abbildunggn auf xxv: i-xxiv und ii >. —Kup- 
fertafeln erliiutert. .... Die Anatomie hierzu mit lxv Kupfertafeln wird besonders ausge- 
geben. Dresden und Leipzig, Expedition der yollstiindigsten Naturgeschichte, 1846. 89°. 
vi (incl. 2 titles), 172 pp. 
Rogers, H. D. [On the bones of the Zeuglodon.] < Proc. Boston Soc. Nat. Hist. ii, 1846, p. 79. 
Stannius, H. Ueber den Bau des Delphingehirns. < Abhandl. aus d. Geb. d. Naturwiss. Ham- 
burg, i, 1846, pp. 1-16, 4 pll. 
1846-48.—Browne, J. R. Etchings of a whaling cruise; with notes of a sojourn on the island of Zan- 
zibar, and a brief history of the whale fishery, in its past and present condition. With numer- 
ous engravings and woodcuts, 8°. 594 pp. London, J. Murray, 1846-48. 
1846-49.—Eschricht, D. F. Underségelser over hvaldyrene. < Dansk. Vidensk. Selsk. Afhandlgr. 
1. Afhandlg. Bemaerkninger over cetologiens tidligere og naervaerende skiaebne. < D. 
xi, 1846, pp. 129-202. 
2. Afhandlg. Anatomisk beskrivelse af de ydre fosterformer hos to nordiske finvhalarter. 
Tbid. pp. 203-280. 
3. Afhandlg. Om fosterformene i bardehvalernes ernaerings- og forplantelsesredskaber. 
Ibid. pp. 281-320 (4 pll. with nos. 2 and 3). 
4. Afhandlg. Om naebhyalen. Ibid. pp. 321-378, pil. 4. 
5, Afhandlg. Finyhalernes osteologie og artsadskillelse. < D. 12, 1846, pp. 225-396, pll. 8. 
6. Afhandlg. Udpytte paa en reise gjennem det nordvestlige Europa i sommeren 1846, 
<5. R. 1. Bd. 1849, p. 85-138. 
1847.—Gibbes, R. W. On the fossil genus Basilosaurus, Harlan, (Zeuglodon, Owen,)with a notice of 
specimens from the eocene green sand of South Carolina. < Journ. Acad. Nat. Sci. Phila. (2), 
i, arb. i, 1847, pp. 5-15, pli. 1-5. 
Gray, J.E. On the finner whales, with the description of a new species. < Proce, Zool. Soc. 
London, xv, 1847, pp. 88-93. 
Meyer, H. von. Die erloschene Cetaceen-Familie der Zeuglodonten mit Zeuglodon und Squa- 
lodon. <N. Jahrb. fiir Min. 1847, pp. 669-674. 
Miiller, J. Ueber den Bau des Schiidels des Zenglodon cetoides, Ow. < Bericht. Verh. K. Pr. 
Akad. Wiss. Berlin, 1847, p. 160. 
Miller, J. Ueber die Wirbelsiiule des Zeuglodon cetoides. < Bericht. Verh. K. Pr. Akad. 
Wiss. Berlin, 1847, pp. 185-200, 2 
Tuomey, M. Notice of the discovery of a cranium of the Zeuglodon (Basilosaurus). < Proc. 
Acad, Nat. Sci. Phila. iii, 1847, pp. 151-153, with 2 figg.; Am. Journ. Sci. and Arts (2), iv, 1847, 
pp. 283-285, with fig.; Journ. Acad. Nat. Sci. Phila. (2), i, 1847; art. ii, pp. 16, 17, pl. 5. figg. 1, 2. 
Wyman, J. Ona case of anchylosis of the first four cervical yertebrx in Delphinus globiceps. 
< Proe. Bost. Soc. Nat. Hist. ii, 1847, p. 243. 
1848.—Agassiz, L. [Letter to Dr. Gibbes in relation to Zeuglodon cetoides, Dorudon serratus, and 
Saurocetus gibbesii,n. g.and sp.] < Proc. Acad. Nat. Sci. Phila. iv, 1848, pp. 4,5. 
Agassiz, L. [On the fossil cetacea of the United States.] < Proc. Am. Acad. Arts and Sci. ii, 
1848, pp. 4,5. 
