. Bulletin of the American Museum of Natural History. Natural history; Science. 1923] Schmidt, Herpetology of the Belgian Congo 89 Prosymna Gray Prosymna ambigua Bocage Prosymna ambigims Bocage, 187-4, Jorn. Sci. Lisboa, (1) IV, p. 218. Prosymna ambigua Boulkxger, 1894, 'Cat. Snakes,' II, p. 248; 1896, III, p. 641. Bocage, 1896, Jorn. Sci. Lisboa, (2) IV, p. 93. Torxier, 1897, 'Kriechtiere Deutsch-Ost-Afrikas,' p. 71. Boulexger, 1902, Proc. Zool. Soc. London, II, p. 17; 1907, Mem. Proc. Manchester Lit. Philos. Soc, LI, part 3. Xo. 12, p. 11; 1908, Ann. Natal Mus., I, p. 229; 1910, Ann. S. Afri
. Bulletin of the American Museum of Natural History. Natural history; Science. 1923] Schmidt, Herpetology of the Belgian Congo 89 Prosymna Gray Prosymna ambigua Bocage Prosymna ambigims Bocage, 187-4, Jorn. Sci. Lisboa, (1) IV, p. 218. Prosymna ambigua Boulkxger, 1894, 'Cat. Snakes,' II, p. 248; 1896, III, p. 641. Bocage, 1896, Jorn. Sci. Lisboa, (2) IV, p. 93. Torxier, 1897, 'Kriechtiere Deutsch-Ost-Afrikas,' p. 71. Boulexger, 1902, Proc. Zool. Soc. London, II, p. 17; 1907, Mem. Proc. Manchester Lit. Philos. Soc, LI, part 3. Xo. 12, p. 11; 1908, Ann. Natal Mus., I, p. 229; 1910, Ann. S. African Mus., V. p. 509. Sterx- FELD, 1912; 'Wiss. Ergeb. Deutsch. Zentr. Afrika Exp.,' I\', p. 199. Boulexger, 1915, Proc. Zool. Soc. London, pp. 208, 625. Chabaxaid, 1916, Bull. :\Ius. Hist. Xat., Paris, XXII, pp. 372, 439. Boulexger, 1920, Proc. Zool. Soc. London, p. 285. Prosymma ambigua (misprint) Boulexger, 1919, Rev. Zool. Afriraine, VII. p. Fig. 7. Dorsal and lateral views of head of Prosymna ambigua Bocage, (12145 X 2), showing modification of rostral and frontal shields for Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Allen, J. A. (Joel Asaph), 1838-1921; American Museum of Natural History. New York : [American Museum of Natural History]
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