126 
pg. 41! Virgin-Islands; Swift! remark: Chem. vol. 7 
fig. 553—56, Zeitsch. 1851 pg. 50. 
A. sqvamosa Lmk. (A. gradata Brod., A. donaciformis, 
Ry., A. divaricata Sowb., A. domingensis Lmk., Daph- 
noderma Morch, A. angulata Meusch.) station: below 
madrepores; habitat: Antillae; Mérch! Guadeloupe; 
Beau pg. 22! St. Domingo; Lmk.! St. Thomas; St. Johns; 
Ad.! Virgin-Islands; Swift! Krebs! 
A. umbonata Lmk. (Cilota Brown, A. ventricosa Lmk. 
according to C. B. Ad.! A. imbricata Brug; A. muta- 
bilis Reeve, A. americana d’Orb. non Gray) station: 
fastened to madrepores and in the roots of gorgoniae; 
habitat: Antillae; Mérch pg. 40! Guadeloupe; Beau 
pg. 22! Ad.! Virgin-Islands; Swift! Chagres; St. Tho- 
mas; Antigua; Jamaica; Carthagena; Ad.! St. Thomas; 
St. Croix; Tortola; Krebs! remark: Adams_ separates 
A. umb. from A. imbricata; Moll. de Cuba 2—317 pl. 
28 fig. 121 
Pectunculus Lmk. (Axinaea Poli, Glycimeris da Costa) 
station: we are not able to give the station of any of 
the Pectunculi. 
P. angulatus Lmk. spec. 8 (Arca angulosa Gml.) habi- 
tat: Tortola; Swift! 
P. castaneus Lmk. non Reeve. (P. variegatus Chem.) 
habitat: Guadeloupe; Beau pg. 22! St. Johns; Ja- 
maica; Ad.! 
P. castaneus Reeve non Lmk.; habitat: Tortola; Swift! 
Krebs! remark: perhaps Adams habitat refers to this 
species. 
P. decussatus L. (P. pennaceus Lmk. spec. No 6) ha- 
bitat: Virgin-Islands; Swift! Tortola; Krebs! 
