l^-^ LITTORINIDJ!. 



var. sulcatula [? L. sulcatula, n. sp.]. 

 Eeeve, fig. 61 A, as L. undulata, var. 



5 Ascension Island, Pacific ; coll. H. Pease, Esq. 



37. Littorina newcombi. 



Littorina newcombi, Reeve, Iconica, fig. 28, 1857, Sandwich Islands ; var, 

 =L. ambigua, Reeve, fig. 64 \_not of PhiUppi= L. intermedia]. 



6 Sandwich Islands ; coll. H. Pease, Esq. 



risclier records the species from New Caledonia, but I should 

 imagine this form would rather be a variety of L. intermedia, 

 if indeed the two species can be kept apart ? Von Martens in 

 the Donum Bism. considered L. ambigua as a synonym of L. 

 pintado ; this can hardly be the case. 



Eeeve, fig, 64, as L. ambigua, PMlippi, Sandwich Islands. 

 10 Sandwich Isl. ; coll. Prof. W. Newcomb. 



38. Littorina varia. 



Littorina varia, Sowerbg, Genera of Shells, 1823, fig. 4, Panama, 

 10 Panama ; coll. Profs. W. Newcomb and E. C. Stearns. 



39. Littorina fasciata. 



Littorina fasciata. Gray, Zool., Beechey's Voy., 1839, Peru. 

 10 Panama j coll. Profs. W. Newcomb and E. C. Stearns. 



40. Littorina angulifera. 



Phasianella angulifera, Lamarck, Hist. VII, 1822, Antilles ;~L. scabra, 

 Orb. Inot of Lin.'] ; sect. Littorinopsis, 



10 Florida ; coll. Prof. E. C. Stearns, 

 4 Panama; coll. Prof. W. Newcomb. 

 1 Guadaloupe ; ex c. Prof. VV. Newcomb. 



