ALYCAEUS $. 3. 4. 381 
mediocris, incipiens in 0,045 poll. ab apertura. Apertura le- 
viter obliqua, perfecte circularis; peristoma duplex, crassum, 
internum continuum, projectum, leviter expansum, externum 
retrorelictum. | Operculum corneum, multispirale, antice con- 
cavum, postice laevigatum, absque tubere central. — Diam. 
maj. 0,12— 0,13, min. 0,11; alt. 0,10—0,11 poll — Diam. 
apert. 0,06 poll. (A. angl.) 
Alycaeus conicus Godwin Austen in Journ. As. Soc. Beng. XL. 1871. Pt. 
2. p.u8 T4 biydnete ds 
— —  . Hanl. & Theob. Conch. Ind. t. 103. f. 8. 9. 
Habitat prope ., Kopili river, North-Cachar district* Indiae. 
13b. A. sculpturus Austen. t 
. Testa anguste umbilicata, turbinata, cornea vel gri- 
sea, costulis bene distinctis in anfractibus superioribus munita, 
subtus glabra, in parte inflata anfr. ultimi subtiliter et in con- 
stricta subtilius costulata; spira subconoidea; anfr. 4, ultimus 
leviter tumidus, tum constrictus et versus peristoma longitu- 
dinaliter undulatum interum inflatiusculus; tubus suturalis me- 
diocris; apertura obliqua, undulata; peristoma incrassatum, 
parum expansum, duplex, undulationibus 4 profundis in mar- 
gine dextro unaque minus conspicua in basali notatum, prima 
crenam profundum peristomatis prope junctionem cum anfr. 
ultimo formante, — Operc. ut in A. erispato. — Diam. maj. 
0,14, min. 0,10, alt. 0,08; diam. apert. 0,06; tubus suturahs 
0,55 poll.* (A. angl.) 
Alycaeus sculpturus Goodwin Aust. in Journ. As. Soc. Beng. XLIV. Pt. 2. 
1875. p. 8. t. 4. f. 2. 2a—c. 
Habitat Munipur. 
Obs. ,Species valde affinis A4. erispato Aust. (Journ. As. Soc. XL. t. 
4. f. 1 — pars basalis ibid. t. 4. f. 3.), sed multo angustius spirata et ab- 
sentia ecristae in constrictione discrepans. 4. sculptilis .Bens. etiam affinis 
est, sed peristoma non crenulatum et in constrictione planum et crista desti- 
tutum est. Eae formae tres transitus inter se offerunt.^ 
8. 4. 
14. Andamaniae Bens. — Conch. Ind. t. 91. f. 7—10. 
15. umbonalis Bens. — Conch. Ind. t. 92. f. 8. 9. 
16. physis Bens. — Conch. Ind. t. 92. f. 5. 6. 
17. prosectus Bens. — Austen 1871. t. 5. f. 1. —  Conch. Ind. t. 92. 
1.212.796 
18. Ingrami Blanf. — Austen 1871. t. 4. f. 3. — Conch. Ind. t. 92. f. 
7. 10. — Var. Nagaensis Austen 1871. t. 5. f. 9. 
19. glaber Blanf. — Conch. Ind. t. 97. f. 8—10. 
21. armillatus Bens. — Conch. Ind. t. 93. f. 10. 
25 * 
