A population survey of the West Indian topshell of whelk (Cittarium pica) in the U.S. Virgin Islands   Creator:   Toller, Wes Publisher:   Division of Fish & Wildlife, Department of Planning and Natural Resources, Government of the U.S. Virgin Islands ( St. Croix, USVI ) Type:   Book Source Institution:   University of the Virgin Islands Holding Location:   University of Florida Language:   English A population survey of the West Indian topshell of whelk (Cittarium pica) in the U.S. Virgin Islands