47 
. variegata (T. marmoratus Ch.; Elob. marmoreum Bolt., 
T. imbricata Lmk.) station: — ? — ; habitat: An- 
tillae; Mirch! Jamaica; St. Lucy; d’Orbigny ! Carthagena; 
Redfield! Cumana; J. H. Newton! Island of Margarita 
and at Mayaguez in Puertorico; R. Swift! St. Thomas; 
Krebs! 
Cerithium Adanson. 
. albovittatum Ad. station: — ? — ; habitat: Ja- 
maica; C. B. Adams! remark: described in ,Contribu- 
tions* No 7 page 122. 
. algicola Ad. station: —? —; habitat: Rum-Key, 
Turks-Island; Bahama; Jamaica; C. B. Adams! St. Tho- 
mas; Porto-Plata; Barbadoes; Krebs! 
. ambiguum Ad. (synonymes according to Beau: C. co- 
statum Wood, ©. servile C. B. Ad.) station: —? —; 
habitat: Jamaica; C. B. Adams! Guadeloupe; Beau! 
remark: described in ,Proceedings of the Boston Soe. 
of Nat. History“. Jan. Ist. 1845 page 4. 
. atratum Born. station: on rocks close to the shore 
between the marks of high and low water; at other 
seasons on blue sandy mud in 2 fathoms water; habi- 
tat: Guadeloupe; Lamarck! Beau! Rio-Janeiro ; Jamaica; 
C. B. Adams! Key West; J. H. Newton! St. Thomas; 
Krebs! 
bicolor Ad. station: — ? — ; habitat: Jamaica; 
C. B. Adams! St. Thomas; Th. Bland! Arecibo; J. H. 
Newton! remark: described in the ,Proceedings of the 
Boston. 8. of Nat. Sc.“ 1st January 1845 page 5. 
columellare d@Orb. station: — ? — ; habitat: 
St. Thomas; Guadeloupe; St. Domingo; Jamaica; Cuba; 
Candé! Guadeloupe; Beau! 
