ADDENDA 
AD TOMUM SEPTIMUM. 
————— 
VI, Vitrina. (ex Heliearion). (Vil. p. 7. 511; 
 Vitrina Hanl. Y Theob. Conch. Ind. IV. t. 65. 66. 
g. 2. 
14. FPlemingi Pfr. — Viltrina Flemingiana Ianl. $. Theob. Conch. 
Ind. t. 66. f. 5. 6. 
16. gigas Bens. — Conch. Ind. t. 66. f. 2. 3. — Helicarion gigas Austen 
in Journ. As. Soc. XLIV. 1875. p. 6. t. 3. f. 1. Var. minor f. 9. 
19. praestans Gould. Conch; Ind. t. 65. 4. 5. 6. 
29. succinea £f&eeve Conch. icon. Vitr. f. 8. ( Vitrina  planospira 
Bens., non Pfr. — Conch. Ind. t. 65. f. 7. 10. 
25. Seutella Bens. — Conch. Ind. t. 66. f. !. 4. 
26. Bensoni Pfr. — Conch. Ind. t. 65. f. 1. 
98. Cochinchinensis IMior. — Morelet Sér. conch. IV. 1873. p. 241. 
tUe pur 
91. Salius Bens. — Conch. Ind. t. 65. f. 8. 9. 
339. russeolea Mor.-—— lorelet Sér. conch. IV. 1873. p. 242. t. 12. f. 6. 
34. unguiculus Mor. —  Morelet Sér. conch. IV. 1875. p. 243. 
142^. 4. 
96^. V. ?Sieversi (Helicarion) Mousson. 4| 
« T. minute perforata, depresso-convexa, helicoidea, tenuis- 
sima et fragillima, de sutura fortiter striata, pellucida, pallide 
cornea. Spira convexa; summo parvulo, obtuso; sutura im- 
pressa. Anfr. 4, convexi, bene evoluti, subceleriter accrescentes; 
ultimus major, depresso-rotundatus, ad basin laevigatus, nitidis- 
simus. Apertura perobliqua (509 cum axi), lunato-subovalis. 
Perist. rectum, acutum; marginibus remotis; infero brevissime 
inflexo, ad punctum umbilicare breviter reflexo. — Diam. maj. 5,8, 
min. 5,1; altit. 3,2 mill. — Rat. anfr. 2:5. — Rat. apert. 5:4.» (M.) 
Helicarion Sieversi Mouss. in Journ. Conch. XXIV. 1876. p. 137. 
Ib hd. 
Habitat Tabizhuri Transcaucasiae meridionalis. 
Obs. An Naninae sectioni Macrochlamydi adnumeranda ? 
