GUDE: ON THE GENUS STREPTAXIS AND ITS ALLIES. 229 
143. Srrepraxis inrERMEDIvs, Albers. 
Streptaxis intermedia, Alb.: Malak. Blatt., vol. iv (1857), p. 95; Pfr.» 
Mon. Helic., vol. iv (1859), p. 328. 
Streptaxis intermedius, Pfr.: Mon. Helic., vol. v (1868), p. 439; 
Tryon, Man. Conch., ser. 11, vol. i (1885), p. 61, pl. xu, figs. 4-6. 
Artemon intermedius, Bourg.: Moll. Afr. équat., 1889, p. 44. 
Streptaxis Wagnert, var., Pfr.: Chemn. Conch. Cab., 2nd ed., Helix, 
vol. 11 (1853), p. 15, pl. citi, figs. 26-28. 
Hab.—Brazil. 
144. Srrepraxts Wacnert, Pfeiffer. 
Helix Wagneri, Pir.: Symb., vol. i (1841), p. 40; id., Mon. Helic., 
vol. i (1848), p. 405; id., Chemn. Conch. Cab., 2nd ed., Helix, 
vol. 1 (1851), p. 147, pl. xix, figs. 4-6. 
Streptaxis Wagneri, Pfr.: Mon. Helic., vol. iii (1853), p. 286; Tryon, 
Man. Conch., ser. 11, vol. 1 (1885), p. 62, pl. xu, figs. 9-11. 
Artemon Wagneri, Bourg.: Moll. Afr. équat., 1889, p. 45. 
Helix Coffreana, Moricand: Mém. Soe. phys. Genéve, vol. ix (1841), 
p. 58, pl. iv, figs. 2, 3. 
Hab.—Brazil. 
145. Srrepraxis cosrutosus, Pfeiffer. 
Helix costulosa, Pfr.: Proc. Zool. Soc., 1852, p. 136; id., Mon. Helic., 
vol. ii (1853), p. 159; id., Chemn. Conch. Cab., 2nd ed., Helix, 
vol. i1 (1854), p. 499, pl. clxi, figs. 29-31; id., Mon. Helic., 
vol. iv (1859), p. 184. 
Streptaxis costulosus, Tryon: Man. Conch., ser. 11, vol. 1 (1885), p. 63, 
pl. xu, figs. 30-32. 
Artemon costulosus, Bourg. : Moll. Afr. équat., 1889, p. 45. 
Hab.—Venezuela. (Solomon Islands, Pfr. !) 
146. Srrepraxis aPERTUS, Martens. 
Streptaxis apertus: a, subglobosus, Mart.: Malak. Blatt., vol. xv (1868), 
p- 180; Pfr., Mon. Helic., vol. va (1876), p. 491; G. Pfeffer, 
Jahrb. Deutsch. Malak. Ges., 1878, p. 69, figs. 9, 10 (anat.). 
Alcidia aperta, Bourg.: Moll. Afr. équat., 1889, p. 47. 
146a. Var. pepressa, Martens. 
Streptaxis depressus (Mart.), Heynemann: Malak. Blitt., vol. xv (1868), 
p. 101, pl. iv, fig. 2 (anat.). 
Streptaxis apertus: , depressus, Mart.: Malak. Blatt., vol. xv (1868), 
p. 180. 
Hab.—South Brazil. 
147. Srrepraxts Usamparicus, Craven. 
Helix Usambarica, Craven: Proc. Zool. Soc., 1880, p. 216, pl. xxii, 
fig. 6. 
Helix (? Mesodon) Usambarica, Tryon: Man. Conch., ser. m1, vol. iii 
(1887), p. 155, pl. xxxii, figs. 100 & 1, 2. 
