174 LITTORINIDA. 
2. Lacuna pallidula. 
Cochlea pallidula, DaCosta, Brit. Conch. 1778 ; fide Jeffreys var. albescens 
and var. patula, Thorpe, Brit. Mar. Conch. 1844. 
2 England; ex c. G, Nevill, Esq. 
var. neritoidea, Gould. 
Lacuna neritoidea, Gould, Invert. Mass. 1841, “ Chelsea Beach.” 
3 Maine [United States]; coll. Rev. E. R. Beadle. 
var. patula. 
Lacuna patula, Thorpe, Brit. Mar. Conch, 1844. 
1 Falmouth; ex “ Linnea.” 
8. Lacuna divaricata. 
Trochus divaricatus, Fabricius, Fauna Groenland, 1780 [not Trochus 
divaricatus of Lin.]; =Turbo vinctus, Mig. 1805 ; fide Jeffreys, var. 
gracilior, Metcalfe. 
4 England; ex c. G. Nevill, Esq. 
2 Prince Edward’s Island; coll. A, Nevill, Esq. 
var. solidula. 
Lacuna divaricata, var, solidula, Loven. 
1 Greenland; ex “ Linnea.” 
var. Quadrifasciata. 
Turbo quadrifasctatus, Montagu, Test. Brit. Sup. 1805. 
1 Long Island, United States; coll. Rev. E, R. Beadle, 
var. canalis. 
Turbo canalis, Montagu, Test. Brit. 1805, 
1 England; ex c. G. Nevill, Esq. 
4. Lacuna crassior. 
Turbo crassior, Montagu, Test. Brit. 1805. 
