AGHATINA ^. 4. 5. 499 



99. A. amentum Benson. 



T. lurrito-oblonga , tenuiuscula, dislincte et confertim striata, 

 sericea, pellucida, castaneo-cornea ; spira lurrita, apice obtu- 

 sula; sutura impressa, albida, subcrenulata; anfr. 9 convexi- 

 usculi, ultimus Vg longitudinis non attingens, basi rotundatus; 

 columella parum arcuala, albo-callosa, subtorta, ad basin aper- 

 turae subrhombeo-semiovalis oblique truncala; perist. simplex, 

 rectum, margine dextro regulariter arcuato. ■ — Long. 22, diau). 

 7 mill. Ap. oblique Ty^ mill. longa, medio 4 lata. (Mus. Benson.) 

 Achatina amentum Bens. mss. 



— — Reeve Conch. ic N. 82. t. i7. 



— — Chemn. ed. II. Bul. t. 25. f. 4. 5. Ach. N. 2 4. 

 Habitat Howrah prope Calcutta. 



100. A. costulosa Adams. •{• 



T. conica , turrita, confertissime costulato-striata, trans- 

 lucida, pallide fusco-cornea , ad varices sparsos, indistinctos 

 obscurior; apex obtusiusculus, glaber, spira fere rectilinearis; 

 anfr. fere 9, modice convexi; sutura bene impressa; aper- 

 tura late ovalis; labrum medio non productum, basi valde re- 

 flexum; columella modice producla, fere stricta, bene trun- 

 cata. — Diverg. media 20°; long. spirae 0,65; long. totalis 

 0,86; lat. 0,27 poll. (Ad.) 



Achatina costulosa Adams Contrib. to Conchol. N. 7. p. -102. 

 Habitat in insula Jamaica. 



101. arcuata Pfr. {Reeve N. 83. t. il.) Mon. II. p. 261. 



§. 5. 

 102. A. Cassiaca Benson. 



T. elongato-subulata, solida, confertim et ruditer obiique 

 plicata, alba, epidermide olivaceo-fusca induta; spira elongata, 

 apice subpapillata; anfr. 14 — 15 planulati, ultimus peripheria 

 subangulatus; columella valde arcuata, abrupte truncata; aper- 

 tura subrhombeo-semiovalis; perist. simplex, rectum. — Long. 

 64, diam. 12 mill. Ap. 13 mill. longa, 7 lata. (Mus. Benson.) 

 Achatina Cassiaca Bens. mss. 



— — Reeve Conch. ic. N. 85. t. il. 



— — Chemn. ed. IL Bul. t. 25. f. 1. Ach. N. 22. 

 Habitat in collibus « Cassiah » dictis in hmitibus borealibus Ben- 

 galiae (Griffith). 



103. A. marmorea Recvc. •{- 



T. elongato-turrita, angusta, subcylindracea, solidiuscula, 



32* 



