1934] Hatt, African Manatees 563 



Flower, William Henry (Assisted by J. G. Garson). 1884. 'Catalogue of the 

 specimens illustrating the osteology and dentition of vertebrated 

 animals, recent and extinct, contained in the Museum of the Royal 

 College of Surgeons of England.' Part II, 'Class Mammalia, other 

 than Man.' xliii +779 pages. London. 8vo. 



Gervais, [F. L. P.]. 1836. 'Lamantin.' In Guerin's 'Diet. Pittoresque d'Hist. Nat./ 

 IV, pp. 331-333. Paris. 



Gray, J. E. 1857. 'Observations on the species of the genus Manatus.' Proc. Zool. 

 Soc. London, pp. 59-61. 

 1861. 'Observations on Mr. Du Chaillu's papers on "The new species of 

 mammals " discovered by him in western Equatorial Africa.' Proc. 

 Zool. Soc. London, pp. 273-278. 



1861. 'Zoological notes on perusing M. Du Chaillu's "Adventures in Equa- 



torial Africa." ' Ann. Mag. Nat. Hist., (3) VIII, pp. 60-65. 

 1865. ' On the species of manatees (Manatus) and on the difficulty of distin- 

 guishing such species by osteological characters.' Ann. Mag. Nat. 



Hist., (3) XV, pp. 130-139. 

 Greve, C. 1897. 'Die geographische Verbreitung der jetzt lebenden Sirenia, nebst 



einer tlbersicht der ausgestorbenen Arten.' Zool. Gart., XXXVIII, 



pp. 51-60. 

 Gudernatsch, J. F. 1909. ' Zut Anatomie und Histologic des Verdauungstraktes 



der Sirenia. II. Die Zunge von Manatus latirostris Harlan.' 



Morph. Jahrb., XL, pp. 184-194. 

 1909. 'Manatus latirostris Harl.' Zool. Jahrb. Abt. Syst. Geo. Biol., 



XXVII, pp. 225-236. 

 Hartlaub, C. 1886. 'Beitrage zur Kenntniss der Manatus- Arten.' Zool. Jahrb., 



I, pp. 1-112. 

 Heuglin, Martin Theodor von. 1868. 'Reise nach Abessinien.' xii +459 pages. 



Jena. 

 1877. 'Reise in Nordest-Afrika.' 2 Vols., xii +285 and vi+304 pages. 



Braunschweig. 

 Humboldt, A. V. 1838. 'tlber den Manati des Orinoko.' Archiv fur Naturgesch., 



Jahrgang 4, I, pp. 1-10. 

 Jentink, F. A. 1888. 'Zoological researches in Liberia.' Notes Leyden Mus., X, 



pp. 1-58. 

 1892. 'Catalogue systematique des mammiferes.' Mus. d'Hist. Nat. des 



Pays-Bas. Leiden, XI, pp. 1-219. 

 Johnston, H. H. 1884. ' The river Congo, from its mouth to Bolobo.' 3d Ed., 470 



pages. London. 8vo. 

 1906. 'Liberia.' 2 Vols., 1183 pages. London. 

 Krauss, F. 1858. 'Beitrage zur Osteologie des surinamischen Manatus.' Miiller's 



Arch, fur Anat., pp. 390-425. 



1862. 'Beitrage zur Osteologie des surinamischen Manatus.' Reichert u. 



du Bois-Reymond's Archiv fur Anatomie, Physiol., u. Wissens. 

 Med., pp. 415-427. 

 1872. 'Die Beckenknochen des surinamischen Manatus.' Reichert u. du 

 Bois-Reymond's Archiv fur Anat., pp. 257-292. 



