GUDE: ON THE GENUS STREPTAXIS AND ITS ALLIES. Zoe 
HAPPIA, Bourguignat. 
Bourg.: Moll. Afr. équat., 1889, p. 89. =Ammonoceros, Pfr. : 
Malak. Blitt., vol. 11 (1856), p. 122 (not Ammonoceros, Lamarck, 
1822). 
Shell umbilicated, depressed, flattened or slightly convex above ; 
fragile, corneous, olivaceous or yellowish. Aperture semi-oval or 
semicircular, not descending. Peristome simple, acute. Last whorl 
predominating. 
1. Haprra Frora, Pfeiffer. 
Helix Flora, Pfr.: Zeits. fiir Malak., vol. vii (1850), p. 68; Reeve, 
Conch. Icon., Helix, 1852, pl. xevii, fig. 534; Pfr., Mon. Helic., 
vol. ii (1853), p. 103; id., Chemn. Conch. Cab., 2nd ed., Heliz, 
vol. il (1854), p. 306, pl. exxvii, figs. 1-3; Hidalgo, Journ. de 
Conch., 1870, p. 34. 
Hyalina Flora, Pfr.: Malak. Blatt., vol. ii (1855), p. 55, No. 124; 
Miller, op. cit., vol. xxv (1878), p. 161. 
Hyalina (Ammonoceras) Flora, Mart.: Die Heliceen, 2nd ed. (1860), 
p- 72; id., Conch. Mitth., vol. ii (1883), p. 156; Reibisch, Abh. 
Nat. Ges. Isis, 1896, p. 55. 
Streptaxis Flora, Tryon: Man. Conch., ser. m, vol. 1 (1885), p. 64, 
pl. xxvii, fig. 4. 
Ammonoceras Flora, Cousin: Bull. Soc. zool. France, vol. xu (1887), 
p- 246 (reprint, p. 60). 
Happia Flora, Bourg.: Moll. Afr. équat., 1889, p. 40. 
Hab.—Kcuador : Nanegal (Mart.); Quito (Hid.); Gualea (Cousin) ; 
Valle del Pastaga (Reibisch). New Grenada: Andes (Pfr.). 
2. Happra Anpicota, Philippi. 
Helix Andicola, Phil.: Malak. Blatt., vol. xii (1866), p. 39; Pfr., 
Nov. Conch., vol. ii (1866), p. 295, pl. lxxii, figs. 1-3. 
Helix Andium, “‘ Phil.,” Pir.: Malak, Blatt., vol. xiv (1867), p. 79; 
id., Mon. Helic., vol. v (1868), p. 246. 
Selenites Andium, Tryon: Man. Conch., ser. 1, vol. 11 (1886), p. 207, 
pl. Ixi, figs. 3-5. 
Hab.—Chili: Andes Talcaregue. 
3. Happra reusprra, Pfeiffer. 
Helix euspira, Pfr.: Proc. Zool. Soc., 1854, p. 54; Reeve, Conch. 
Icon., Heliz, 1854, pl. clxxxv, fig. 1277; Pfr., Mon. Helic., 
vol. iv (1859), p. 108. 
Helix (Discus) euspira, Pir.: Malak. Blatt., vol. ii (1855), p. 125, 
No. 457a. 
Lyalina (Ammonoceras) euspira, Mart.: Binnen-Moll. Venezuela’s, 
1873, p. 167. 
Macrocyclis euspira, Bland: Ann. Lye. New York, vol. xi (1874), 
p- 73; W. G. Binney, Proc. Acad. Nat. Sci. Philad., 1875, 
p. 247, pl. xxi, fig. 3 (anat.). 
Selenites euspira, Tryon: Man. Conch., ser. 1, vol. ii (1886), p. 207, 
pl. 1xi, fig. 6. 
Hab.—Brazil (Pfr.); Venezuela (Mart.). 
