GUDE: ON THE GENUS STREPTAXIS AND ITS ALLIES. 207 
12. SrrepraxIs suBREGULARIS, Pfeiffer. 
Streptaxis subregularis, Pfr.: in Philippi, Abbild. & Besch., vol. i 
(1846), p. 127, Helix, pl. viii, fig. 12; id., Mon. Helic., vol. i 
(1848), p. 4; id., Chemn. Conch. Cab., 2nd ed., Helix, vol. ii 
(1853), p. 15, pl. ci, figs. 36-39; id., Mon. Helic., vol. iv (1859), 
p. 329; A. D. Brown, Journ. de Conch., 1869, p. 71; Pfr., Mon. 
Helic., vol. vii (1876), p. 491; Tryon, Man. Conch., ser. 11, 
vol. 1 (1885), p. 68, pl. xu, figs. 16-18. 
Hab.—Brazil: Rio Janeiro (Pfr.). U.S. Colombia: Bogota (Pfr.). 
13. Srrepraxis contusus, Férussac. 
Helix (Helicogena) contundata, Fér.: Prod., 1821, No. 41. 
Helix contusa, Fér : Prod., p. 67; Wood, Index, Suppl., 1828, 
pl. vii, fig. 39; Rang, Ann. Sci. Nat., 1831, p. 5; Desh., Traité 
Elem. Conch., 1850, pl. Ixxxiii, figs. 11, 12; Fer., Hist., 1851, 
p. 390, pl. xxxi, fig. 1; pl. xxxixs, figs. 5, 6 (with animal) ; 
M. E. Gray, Fig. Moll. Anim., vol. i11 (1859), pl. cclxxxix, fig. 1. 
Artemon contusus, Beck: Index, 1838, p. 48. 
Streptaxis contusa, Gray: Mag. Nat. Hist., n.s., vol. 1 (1837), p. 484; 
Sowby., Conch. Man., 2nd ed. (1839), p. 266, figs. 269, 270; 
Phil., Abbild. & Beschr., vol. 11 (1846), p. 127, Helix, pl. viii, 
fig. 1; Pfr., Mon. Helic., vol. i (1848), p. 6; Gould, U.S. Expl. 
Exped., Moll. (1852), p. 71, pl. v, fig. 70; Pfr., Chemn. Conch. 
Cab., 2nd ed., Helix, vol. ii (1853), p. 17, pl. eii, figs. 4-6; 
Adams, Genera, vol. 11 (1858), p. 185, pl. Ixxvui, fig. 1; Chenu, 
Man de Conch., 1859, p. 450, fig. 3358; Hidalgo, Viaje Pacif. 
Moluse., pt. 1 (1869), p. 41; Woodward, Manual, 4th ed. (1880), 
pl. xu, fig. 6. 
Streptaxis contusus, Pfr.: Mon. Helic., vol. v (1868), p. 440; 
Hidalgo, Journ. de Conch., 1870, p. 39; Tryon, Struct. Syst. 
Conch., vol. i (1884), pl. xcii, fig. 55; id., Man. Conch., ser. 11, 
vol. 1(1885), p. 68, pl. xiv, figs. 76-78 ; Fischer, Man. de Conch., 
1887, pl. xu, fig. 6. 
Hab.— Brazil: Rio Janeiro; Coreobado (Hidalgo), 
14. Srrepraxis. uBeRrIFoRMIS, Pfeiffer, 
Streptaxis uberiformis, Pfr.: Proc. Zool. Soc., 1848, p. 108; Zeit. 
Malak., vol. v (1848), p. 89; id., Mon. Helic., vol. 11 (18538), 
p. 287; Hidalgo, Journ. de Conch., 1870, p. 89; 1875, p. 128, 
pl. vii, fig. 8; Tryon, Man. Conch., ser. 1, vol. i (1885), p. 68, 
pl. xiv, fig. 94. 
Artemon uberiformis, Bourg.: Moll. Afr. équat., 1889, p. 44. 
Hab.—Brazil: Rio Janeiro (Pfr.) ; Corcobado (Hidalgo), 
15. Srrepraxts aLvEvus, Dunker. 
Streptaxis alveus, Dunk.: in Phil., Abbild. & Beschr., vol. ii (1845), 
p. 6, Helix, pl. vi, fig. 14; Pfr., Mon. Helic., vol. i (1848), p. 4; 
id., Chemn. Conch. Cab., 2nd ed., Helix, vol. 11 (1853), p. 15, 
pl. ci, figs. 33-35; Tryon, Man. Conch., ser. m, vol. i (1885), 
p. 69, pl. xxvu, fig. 11. 
Alcidia alveus, Bourg.: Moll. Afr. équat., 1889, p. 47. 
