532 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



1831. GODMAN, JOHN D. American | Natural History. | | Vol. III. | Part I. Mas- 

 tology. | | By John D. Godman, M. D. | . . . [titles, 4 lines]. | Second 

 Edition. | Philadelphia: | Stoddart and Atherton, 60, N. Front Street. | 1831. 

 8. pp. 1-264, 9 plates, cuts. 



Order viii. Cete; Cetaceous Animals, pp. 37-237. For analysis and comment see the ed. 

 prin., 1828, with which this is textually identical. [760.J 



1831. GRAVES, R. J. An account of a Peculiarity not hitherto described in the Ankle, 

 or Hock-joint of the Horse; with Remarks on the Structure of the Vertebra) 

 in the Species of Whale, entitled Delphinus Diodon. <^Trans. Roy. Irish Acad., 

 xvi, pt. 2, 1831, pp. 85-91. 



On the separation of the vertebral epiphysesin maceration, and the degree of union useful 

 as an index of the age of the animal among Cetaceans, pp. 88-91. 



Reprinted in Edirib. Journ. Sci., new ser., iv, 1831, pp. 47-52, and in Edirib. New Philos. 

 Journ., [x], 1831, pp. 59-64. [761.] 



1831. JOHNSTON, GEORGE. Some account of a Whale stranded near Berwick-upon- 

 Tweed. <\ Trans. Nat. Hist. Soc. of Northumberland, Durham and Newcastle 

 upon Tyne, Vol. I, 1831, pp. 6-8, pi. I. 



Account of the external characters and figure of a specimen apparently referable to Me- 

 gaptera longimana; believed by the author to be the Balcena Boops of Turton's "British 

 Fauna." [762.] 



1831. KNOX, [ROBERT]. Notiz uber die Natur einer eigenthumlichen Structur, welche 

 im zweiten Magen gewisser Cetaceen beobachtet worden ist und die man in 

 der Regel als bloss drusiger Beschafifenheit betrachtet hat, die aber offenbar 

 den electrischen Organen des Torpedo und Gymnotus analog ist; mitgetheilt 

 in eiuem Briefe von Dr. Knox. Demselben ist beigef&gt die mikroscopische 

 Untersuchang der Structur von Dr. Brewster. <^Froriep > s Notizen, xxix, no. 

 629, Jan. 1831, pp. 193-196. 



Aus Brewster' s Edinburgh Journ. Sri., new ser., no. 6, July, 1830. See 1830. Kxox, R. [763.] 



1831. Kxox, R. Observations to determine the Dentition of the Dugong; to which 

 are added Observations illustrating the Anatomical Structure and Natural 

 History of certain of the Cetacea. < Trans. Roy. Soc. Edinb., xi, pt. 2, art. 

 xxiii, 1831, pp. 389-417, pi. xv. 



[Preliminary remarks on the osteology and dentition of the Dugong], pp. 389-397. The 

 zoological arrangement of the Dugong, pp. 398-400. True Cetacea, pp. 400, 401. Skeleton 01 

 the !N"arwhal, pp. 401-404. Delphinus phoccena, pp. 404, 405. Other specimens of the genus 

 Delphinus, pp. 405, 406. Of the size of the Foetus of the Cetacea at the time of birth, pp. 406- 

 413. Digestive Organs, pp. 413-416. The plate represents the cranium of adult and young 

 Narwhal, the atlas dentata and third cervical vertebra of the Narwhal, the tooth and gastric 

 cavities. [764.] 



1831. LENZ, H. O. Naturgeschichte | der | Saugethiere, | nach Cuvier's Systeme bear- 

 beitet | von Dr. Harald Othmar Lenz, 1 Lehrer an der Erziehungsanstalt zu 

 Schnepfenthal. | | (Preis: 1 Thlr. oder 1 fl. 48 fr. Rhnl.) | | Gotha, | 

 Beckersche Buchhandlung. | 1831. 8. pp. 1-324. 



Neunte Ordnung der Saugethiere: Fischsaugethiere. Cetacea, pp. 294-306. 



Sirenia: 3 genera, 4 species. Cetacea, 4 genera, 24 species, to wit: Delphinus, 14 spp.; 

 Monodon, 1 sp. ; Physeter, 3 spp. ; Balcena, 6 spp. The notices of the species are very short; 

 the references relate only to figures. The technical names are marked for accent and their 

 etymology is given. Evidently prepared for use as a concise hand-book of Mammalogy. [765.] 



1831. LESS[ON]., [R. P.]. Quelques details sur un ce'tace' e'choue' pres Berwich [sic], 

 sur la Tweed; par Georges Johnston. (Trans, of the nat. hist, society of 

 Northumberland; part I, torn. I, pag. 6, avec une planche.) ^Ferussac's 

 Bull, des Sci. nat., xxvii, 1831, pp. 184-186. 



Kesume". [766.] 



1831. M'MURTRIE, H. See 1831, CUVIER, G. 



1831. MANTEL, Mr., of Lewes. Large [Baleen] Whale recently found in the Channel 

 near Brighton [England]. ^London's Mag. Nat. Hist., iv, 1831, pp. 163, 164. 



[767.] 



