410 HELIX. 
Helio praetumida Morel. Sér. conch. II. 1860. p. 64. t. 4. f. 10. 
Habitat in insula Bourbon (E. Vesco). 
* 
409. egenula Morelet. 
Gabon. 
416a. Hi Maillardi Deshayes. 4j 
«H. testa discoidea, depressa, supra convexiuscula, subtus 
convexa, in medio anguste perforata, tenui, fragili, nitida, om- 
nino flavida, polygyrata; anfractibus quinis, angustis, involven- 
tibus, convexiusculis, sutura angusta, depressa, junctis, ultimo 
ad peripheriam convexo; apertura minima, oblique 2ovato- 
semilunari; margine tenui, recto, simplici. — Diam. 5, alt. 3 
mill.» (D.) 
Helic Maillardi Desh. Catal. moll. ile Réunion 1863. p. 86. 
t. 10. f. 12—44. 
Habitat in insula Bourbon. 
* 
417. hydatina Eiossm. — Benoit Ill. test. Sicil. IL. p. 461. t. 4. f. 3. 
419. pseudohydatina Bourg. — Helix hydatina Phil. 
422. erystallina Müll. — Benoit !ll. test. Sicil. Ill. p. 163. t. 4. 
f. 5. — Var.2? H. Botlerii Parr., Zonites Botterii Bourg. 
425. hyalina Fér. — Benoit Ill. test. Sicil. III. p. 1462. t. 4. f. 4. 
g. 91. 
460. revelata F'ér. — Brown Ill. rec. conch. Gr. Brit. 1844. p. 48. 
t. 17. f. 3—5. (Vilrina membranacea Brown ed. I. t. 40. f. 3—85.) 
g. 94. 
517a. troglodytes Morelet. (Coll. Nr. 1404.) Morel. Sér. conch. I. 
p. 44. 1. 4. f. 14. — Pfr. Mon. IV. p. 66; V. p. 194. NE:S585. 
Gabon. 
518. Bigoti Crosse Journ. Conch. XV. 1867. p. 442. t. 12. f. 4. 
S. 25. 
533. laevipes Müll. — Helir candida Gmel.? 
g. 27. 
(554. semicerina Morelet vid. Nr. 295 in Addend. p. 468.) 
8. 98. 
(564. troglodytes Morelet vid. Nr. 517a in Addend.) 
Morel. Sér. conch. I. p. 42. t. 4. f. 2. 
