NEWTON : ALECTRYONIA UNGULATA IN S.E. AFRICA. 137 
1813.—OSTRACITES UNGULATUS, Schlotheim: Taschenbuch, 
[Leonhard] vol. vii, p. 112, (Mes- 
tricht), 
1816,—OsTREA CANALICULATA, J. Sowerby: Mineral Conch- 
Olosyn Volant, ple i325, fel sig p. 77 
(Norfolk). 
1819.—-OsTREA LARVA, Lamarck : Hist. nat. anim. sans 
vert., vol. vi., p. 216 (Meestricht). 
1827. —-OSTREA LUNATA, Nilsson: Petrificata Suecana format. 
cretacez, pl. 6, fig. 3, p. 31 (Sweden). 
1830.—OsTREA FALCATA, Morton: American Journal [Silliman] 
vol. xvill., pl. 3, fig. 19, 20, and vol. 
Xvil., p. 284 (United States). 
1833.—OSTREA AL/FORMIS, S. Woodward: Geology of Norfolk, 
pli (6; figs 2, p. 438: 
1834.—OSTREA MESENTERICA, \ Morton: Synopsis Cret., United 
OSTREA NASUTA, J States, pl. 9, figs. 6 and 7, p. 51. 
1835.—ALECTRYONIA ACRODONTA, Fischer de Waldheim: Bull. 
Soc. Moscou, vol. viii., pl. 5, fig. -2, 
p- 116 (S. Russia). 
1837.—OsTREA LUNATA, Hisinger: Lethzea Suecica, pl. 14, 
fig. 4, p. 49 (Sweden). 
1845.—OstTREA LARVA, d’Orbigny: Pal. francaise, terr. crétacés, 
pl. 486, figs. 4—8, p. 740 (France). 
1846.—OSTREA TEGULANEA, Forbes: Trans. Geol. Soc. London, 
vol. vil, part i., pl. 18, fig. 6, p. 156 
(S. India). 
1847.—OsTREA PoNnTICERIANA, d’Orbigny : Voy. pole sud, pl. 8, 
fig. 45, 46 [no text] (S. India). 
1850,—OSTREA LARVA? Kner: Nat. Abhandl. [Haidinger], 
vol. iii, pl. 5, fig."4, p. 30 (uemberg, 
Austrian Poland). 
1852.—OSTREA UROGALLI, Quenstedt: Handbuch Petrefakten- 
kunde, pl. 40, fig. 24, p. 499 (Meestricht). 
1869.—OSTREA UNGULATA, Coquand: Mon. Ostrea Crétacé, 
pl. 31, figs. 4—15, p. 58 (several locali- 
ties referred to). 
