ACHATIiVA §. 4. 5. 499 



99. A. amentum Benson. 



T. lurrilo-oblonga, tenuiuscula, distinctc et conforlini slriala, 

 sericea, pcllucida, castaneo-cornea; spira turrita, apice oblu- 

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

 usculi, ultimus y^ longitudinis non attingens, basi rolundatus; 

 coluniclla parum arcuata, albo-cailosa , subtorta, ad basin aper- 

 turae subrhombeo-semiovalis oblique truncala; perist. simplex, 

 rectum, margine dextro regulariter arcuato. — Long. 22, diam. 

 7 mill. Ap. oblique TY^ ™'"- 'of^gti, medio 4 lata. (Mus. Benson.) 

 Achatina umentwn Bens. mss. 



— — Reeve Conch. ic. N. 82. t. 17. 



— — Chemn. ed. II. Biil. 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 producta, 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 oblique 

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

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

 subangulatus; columella valde arcuata, abruple 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. 17. 



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

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

 galiae (Griffith). 



103. A. marmorea Recve. •{- 



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



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