N. 
N. 
76 
station: on flat pieces of Madrepores close to the shore; 
habitat: West-Indies; Mérch pg. 144! Turks -Island ; 
St. Johns; Jamaica; St. Thomas; Ad.! Guadeloupe ; Beau! 
Barbadoes; Trinidad; St. Martin; Anguilla; St. Barth; 
St. Johns; St. Thomas; St. Croix; Puertoricco; Porto- 
Plata; Krebs! 
Neritacea. 
Nerita Linné. 
antillarum Gm. station: —? —; habitat: West- 
Indies; d’Orb.! St. Thomas ? Carthagena? St. Martha ? 
Krebs! remark: Yellow columella, one tooth, spire flat; 
we are in doubt if those we have found, at the three 
places noted, are N. ant. Gm. 
nigerrima Chem. station: on wood along the shore 
in creeks with smooth water; habitat: West-Indies ; 
Mérch pg. 168! Porto-Plata? Krebs! 
peloronta L. (Pila Kl. N. erythrodon. Recluz.) sta- 
tion: On rocks from 1 foot below low water and until 
2 to 3 feet above highwater; habitat: West-Indies; 
Morch pg. 169! Jamaica; Havana; Bermuda; Cartha- 
gena; Ad.! St. Thomas; St. Johns; Guadeloupe; Bar- 
badoes; St. Martin; Carthagena; Krebs! Cuba; Sagra! 
Auber! Candé! Martinique; d’Orb.! 
precognita C, B. Ad.! station: On rocks from 1 
foot below low-water until 2 to 3 feet above highwater; 
habitat: Jamaica; Ad.! Guadeloupe; Beau! St. Tho- 
mas; St. Johns; St. Croix; Carthagena; Krebs! remark: 
A doubtful species. 
varia Meuschen. (Theliostyla Mirch, N. tesselata Gml.) 
station: On rocks where the waves washe over; West- 
Indies; Mirch pg. 168! Cuba; Sagra! Auber! Martini- 
