1042 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 



1845. — Brandt, J. F. Observationes ad strncturam erauii Rbytinee stelleri spect antes. <[ Bull. Acad. 

 - i St.P«ersb. fv, l845,col. 135-138. 

 Stannius, F. H. Beitrage zur Kenntnisa der Amerikauiscben Manatis, I . 38 pp., 2 pll. 

 Rostock, 1845. 

 1847. — Perkins, G. A. [Description of a Wesi African manatus.] <[ Proc. Boston Boc. Nat. Hist, ii, 

 li 17. pp. 198, 199. [Named by .7. Wyman, in a foot-nut.'. M. nasutus.] 



1849. — Agassiz, L. [On some points of resemblai between tlio skulls of Manatus and Mastodon.] 



< Proc. Iiostou Soc. Nat. Hist, iii, 1849, p. 209. 

 Brandt, J. F. Symbnke sirenologic-e [fascicnlas i], qnibus praecipue Kliyt intc historia natn- 

 ralis illustrator. <Mdin. Acad. Imp. Sci. St. P6tersb. 6e s6r. 2e partie, Sciences natnrelles, t. 

 vii, 1*49, Zoologie et pbysiologie, pp. 1-160, pll. 1-5. [See also 1861-68.] 

 Warren, J. C. [Presentation of tbe stuffed skin and skeleton of an American manati.J 



<Proci Boston Soc. Nat. Hist, iii, 1849, p. 199. 

 Wyman, J. [Description of the Manatus nasutus.) <[ Proc. Boston Soc. Nat. Hist, iii, 1849, 

 p. 192. 

 1850. — Kneeland, S., jr. The Manatus not a cetacean but a pachyderm. < Proc. Am. Assoc. Adv. 

 Sci. iii, 1850, pp. 42-47. 

 Wyman, J. Notice of the cranium of tbe ne-hoo-le, a new species of manatee (Manatus nasu- 

 tus), from West Africa. < Am. Jonrn. Sci. and Arts (2), is, 1850, art. ix, pp. 45-47. 

 1851. — Vrolik, W. Bijdrage tot de natuur- en ontleedkundige kennis van den Manatus americauus. 



<£ Bijdr. tot de Dierkunde, i, Afd. viii, 1851, pp. 53-80, 6 pll. 

 1857. — Gray, J. B. Observations on the species of the genus Manatus. <^Proc. Zool. Soc. London, 

 xxv, 1857, pp. 59-61. 

 Rapp, W. von. AnatomiscbeUntersuehungen iiber Manatus (Lamantin). < Wiirttemb. natur- 

 wiss. Jahresb. 13. Jahrg. 1857, pp. 87-98, 1 pi. 

 1858. — Krauss, F. Beitrage zur Osteologie des surinamischen Manatus. < Miiller's Arch. f. Anat. 1858, 



pp. 390-425. 

 1861-68.— Brandt, J. F. Symbolse sirenologieae. Fasciculus ii et iii. Sireuiorum, pacbydermatum, zen- 

 glodontum et cetaceornm ordinis asteologia comparata, nee ncn sireuiorum generum monogra- 

 phic. ... Petropoli, 1861-63. [4°. 3 p. 1., 383 (+1) pp., 9 pll.] <M6m. Acad. Imp. Sci. 

 St. Pe'tersb. 6e serie, Sciences naturelles, pp. 1-365, 19 pll. [For fasc. i, see 1849.] 

 1862. — Krauss,—. [Description of two skeletons and a skull of Manatus from Surinam.] < Reich. & 



Dh Bois Raym. Arch. 1862, p. 415. 

 1863. — Brandt, J. F. Bemerkuugen u'ber die Verbeituug uud Vertilgnng der Rbytiua. <[ Bull. Acad. 

 ci. Pdtersb. v, 1863, col. 558-564. 

 Brandt, J. F. Bemerkuugeu iiber die Zahl der Halswirbel der Sirenien. <[ Bull. Acad. Sci. St. 



P6tersb. v, 1863, col. 7-10. 

 Brandt, J. F. Einige nacktraglielie 'Worte iiber die Naseubeine der Sirenien. < Bull. Acad. 



Sci. St. Pdtersb. vi, 1863, col. 111-115. 

 Brandt, J. F. Einige Worte iiber die verschiedeuen Entwickelnugsstnfen der Nasenbeiue der 



Seekuhe. < Bull. Acad. Sci. St. P6tersb. v, 1863, col. 10-12. 

 Brandt, J. F. Quelqnes mots sur une ostoographie des Birenes, accompagnees d'nne osteologie 

 des pachydormes et des c<5taccs. <^ Comptes Rendns, Paris, Ivii, 1863, pp. 489, 490; Rev. Zoolo- 

 gique, w. p. 345; Ann. Nat. Hist, xii, p. 406. 

 Nordmann, A. von. [Contribution to a knowledge of the osteological structure of Rbytiua 

 si.lleri.] <^Act. Soc. Sci. Feunic.-e, vii, 1863, pp. ]-33, with 5 pll. 

 1864. — Flower, W. H. Note on tbe number of the cervical vertebra in tbe Sirenia. <^Nat. Hist. Rev. 

 1864, pp. 259-264. 

 Latimer, G. Letter offering to forward manatees for the society's menagerie. <"[ Proc. Zool. 

 Soc. Loudon, 1864, pp. 167, 168. [Contains information respecting habits.] 

 1865. — Gray, J E. On the species of manatees (Manatus), and on the difficulty of distinguishing such 



species by osteological characters. <[Ann. and Mag. Nat. Hist, w, Feb. 1865, pp. 130-139. 

 1866.— Brandt, J. F. Noch einige Worte iiber die Vertilgung der Rbytiua. < Hull. Acad. Sci. St. 

 Pe'tersb. ix, 1866, pp. 279-282. 



