554 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



1838. BAER, K. E. VON. Untersuchungen tiber die ehemalige Verbreitung und die 

 giinzliche Vertilgung der von Steller beobachteten nordischen Seekuh (Rytina, 

 111.). <Bull. dc VAcad. imp. des Sci. de Sl.-Petersbourg, iii, 1838, pp. 355-359. 



Extrait en langue frangais du memoire de cet titre, imprim6 dans Ics MSm. de la meme 

 acad. [929.] 



1838. BENNETT, F. DEBELL. Ueber Pliysetcr macrocephalus, besonders seiii Gebiss. 

 </8i* von Okcn, 1838, pp. 217, 218. 



Auszug aus Proe. Zool. Soc. Lond., iv, 1836, pp. 127-129. [930.1 



1838. BLAINVILLE, M. H. DE. Sur les Caclialots. <^Ann. franc, et etrang. d'Anat. et 

 de PJiys., ii, 1838, pp. 335-337, pi. x. 



Physeter breviceps, sp. n. (p. 337), pi. x, crane. [931.] 



1838. BRESCHET, G. Apercu descriptif de 1'organe auditif du Marsouin (Dclpliinus 

 phoccena L.). <Ann. des Sci. nat., 2 e se"r., Zool., x, 1838, pp. 221-229, pi. v. 



1 Conduit nuditif externe. 2 Os tympanal. 3 Cavit6 du tympan. 4 Oreille interne ou 

 labyrinthe. [932.] 



1838. BRONX, HEINRICH GEORG. Lethaea Geognostica, | oder | Abbildungen und Be- 

 schreibungen | der | fur die Gebirgs-Forinatiouen bezeichneudsten | Verstei- 

 nerungen, | mit | lithographirten 47 Quart., 1 Folio-Tafel und 2 Tabellen, | 

 von | Heinrich Georg Bronn, | . . . [= titles, 7 lines.] | | Zweite Auflage. | 

 Zweiter Band, | das Kijeide- und Molassen-Gebirge enthaltend. | | Stutt- 

 gart. | E. Schweizerbart's Verlagshandlung. | 1838. 8. 11. 2, pp. 545-1346, 

 11.2. 



Cetacea, pp. 1175-1177, pll. xliii, fig. 6. Ziphius planirostris, p. 1176, pi. xliii, fig. 6. [933.] 



1838. GLUGE, [THEOPHILE]. Sur la terminaison des nerfs. 1 Sur leur terminaison 

 dans la peau de la baleine. <^Bull. de VAcad. roy. des Sci. et Bellcs-lett. de 

 Bruxelles, v, 1838, pp. 20-25. [934.] 



1838. HUMBOLDT, ALEXANDER VON, und A. F. A. WIEGMANN. Ueber den Manati des 

 Orinoko. <^Wiegmann'8 Arch, filr Naturgesch., 1838, Bd. i, 4. Jahrg., pp. 1-10, 

 pll. i, ii. 



Aus dessen franzosischen Manuscripten ubersetzt mit Bemerkungen vom Dr. A. ~F. A. 

 Wiegmann. Sehe HUMBOLDT, A. v., Voyag. aux rCg. equinox., vi, p. 235, pll. 



Detailed account of its external characters, with measurements, of the mouth parts, and 

 some account of its digestive tract, food, and habits. PI. i gives views of the animal in pro- 

 file and from below; pi. ii, of the mouth, of the head from above and in profile, and an ideal 

 longitudinal section of the body. [935.] 



1838. KAUP, J. J. [Ueber Ziihnen von HalytJierium und Pugmeodon aus Flonheim.] 

 <Neues Jahrl). fur Mineral, 1838, p. 319, pi. ii, D. figg. 1, 2, C. figg. 1, 2. 



Halytherium dubium ; Pugmeodon Sehinzii. [936.] 



1838. KAUP, J. J. [Ueber Zahiien von Halitherium. ] <^Neues Jahrb. fiir Mineral., 1838, 

 p. 536. [937.] 



1838. "Kxox, F. J. Catalogue of Anatomical Preparations illustrative of the Whale, 

 by F. J. Knox, Conservator of the Museum in Old Surgeons' Hall. 8. 

 Edinburgh, 1838." 



Not seen; title and commentary here following from Gray (Cat. Mam. Brit. Mus., pt. i, 

 Cetacea, 1850). 



"In 1828 Mr. F. J. Knox, the Conservator of the Museum of the Old Surgeons' Hall in 

 Edinburgh, published a catalogue of the Anatomical preparations of the Whale, in which ho 

 gives many interesting details on the anatomy of the Balcena maximus and B. minimus, 

 which had been stranded near Edinburgh, of the foetus of B. mysticetus from Greenland, and 

 of Delphinus Tursio (D. leucopleurus) , D. Dclplds and Phoccena eommunis, Soosoo gangeticun, 

 and Halicore Indicus; but the paper has been very generally neglected or overlooked," (loc. 

 cit., p. 3). 



"Mr. Knox (Cat. Prep. Whale) gives the best account of the development, position and 

 distinction between the baleen of the "Whales of the North Sea which has come under my 

 observation" . . . (loc. cit., p. 7). 



"But the pamphlet in which these observations were published, being a mere guide to the 



