(6 Ventridens — Anostoma. 
(bicostata). IV. 153. —  Chemnm. 
t. 100. f. 21—23. — Pennsylvania 
et Ohio usque ad sinum mexicanum. 
(Sagda gularis Beck; Polygyra 
gularis M. E. Gray; Hyalina 
gularis Alb.; Gastrodonta gula- 
ris Tryon; Zonites gularis Binn. 
& Bland.) 
Forma juv.: Helix gularis Pfr. I. 
183. (Chemn. t. 101. f. 7, 8.) 
1638. suppressa (Helix) Say. I. 183 
(gularis, non Say). IV. 153. — Ch. 
t. 101. f. 5. 6. — Florida usque 
ad Novam Britanniam. 
(Helix gularis f$ Pfr. II. 141; 
Hyalina suppressa Alb.; Gastro- 
donta suppressa Tryon; Zonites 
suppressa Dinn. & Bland.) 
Subsect. b? Helicodiscus. 
Helicodiscus Morse 1864. in Journ. 
Portl. Soc. I. p. 25: novum genus 
ex typo H. lineatae Say. 
— '[ryon 1866. Amer. journ. conch. 
II. p. 264: genus Patulinarum. 
— Pfr. 1877. Malak. Bl. XXIV. p. 13: 
subsectio Gastrodontae. 
Species. 
1648. lineata (Helix) Say. I. 184. 
—— Chemn. t. 101. f. 13—15. — 
Status Uniti orientales. 
(Euryomphala lineata Beck; Sagda 
lineatà  Ad.; Hyalina |lineata 
Alb.; Helicodiscus lineatus Mor- 
se; Diseus lineata Mórch.) 
Sect. 13? Odontosagda. 
Odontosagda Albers 1860. Helic. 
ed. Mart. p. 78: sectio Sagdae. 
— Pfr. 1877. Malak. Bl. XXIV. p. 76: 
sectio Hyalinae. 
Species. 
1645. polyodon (Sagda) Weinl. & 
Marj.. V. 918 (Helix). : 
— Haiti. 
Sect. 14? Proserpinula. 
Proserpinula Albers 1860. Helic. 
ed. Mart. p. 77: sectio Sagdae. 
— Pfr. 1877. Malak. XXIV. p. 76: 
sectio Hyalinae. 
Species: 
102. discoidea (Proserpina) C. B. 
Adams. III. 35. (Helix Proserpi- 
nula). — . — Jamaica. 
(Sagda discoidea Alb.) 
1641. opalina(Helix) C. B. Adams. 
I. 12 (Odontostoma opalinum). — 
Chemn. t. 100. f. 24—27 (Proser- 
pina opalina). — Jamaica. 
(Helix hyalina C. B. Adams antea, 
margarita Pfr. IV. 153, infor- 
tunata Bland; Sagda opalina 
Alb.) 
Genus: XXXl.AnostomaFischer. 
Anostoma Fischer de Waldheim 
1807. Mus. Demid. III. Vide Menke 
in Ersch. u. Gruber Allg. Encjyl. 
Sect. I. Ad. 22. 
— Lamarck 1822. Hist. VI. 2. p. 109; 
ed. Desh. VIII. 1838. p. 150: genus 
Colimaceorum. 
— Cuvier 1830. Regne anim. ed. 2a 
(ed. Voigt. III. p. 74): subgenus 
Helieis. — Par., Beck 1837. Ind. 
p. 34. (pt. — Gray 1842. Sym. 
Brit. Mus. p. 90. 
— Pír. 1841. Symb. I. p. 5; 1848. 
Mon. Helice. I. p. XVII. 1: genus 
Heliceorum. (pt. — Par, Albers 
1850. Helie. p. 154. — Pfr. 1853. 
Mon, III. p. 284 (em.); 1859. IV. 
p. 326; 1868. V. p. 438; 1876. VII. 
p. 488. — Philippi 1853. Handb. 
p. 246. 
— H. & A. Adams 1855. Gen. II. 
p. 198: genus Helicinarum. 
— Albers 1860. Helic. ed. Marrt. 
p. 154: sectio Helicis. . 
Tomogerus Montfort 1810. Conch. 
syst. II. p. 359: genus pro Helice 
ringente L. constitutum. 
— Pfr. 1846. Zeitschr. f. Malak. p. 7: 
genus Heliceorum. (pt.) 
Angystoma Schumacher 1817. Essai 
p. 229: genus pro H. ringente 
conditum. 
Anostomae Férussae 1819. Prodr. 
p. 34: grex Helicodontae. — Par. 
Rang. 1829 Nan. p. 162. 
Tomogerus Blainville 1824 Diet. 
sc. nat. XXXII. p. 252; 1825. 
Malac. p. 458: genus Limaecineorum. 
— Pfr. 1842. Symb. II. p. 109; genus 
Heliceorum. 
— Gray 1847. Proc. Zool. Soc. p. 173: 
genus Helicinorum. (pt.) 
& vu mh 
