1908.] NATURAL SCIENCES OF PHILADELPHIA. Ill 



several homonyms. Tavo species require new names. Both belong 

 to the subgenus Arcoscalpellum. 

 Scalpellum cMliense n. n. 



ScalpcUum gracile Pilsbry, Bull. 60, U. S. Xat. Mus., p. 60, fig. 23 (November 



9, 1907). Not S. gracile Hoek, Siboga-Expeditie, Cirripedia Pedunculata, 



p. 105, PI. 8, fig. 8 (October, 1907). 



Scalpellum bellum n. n. 



Scalpellum jormosum Pilsbry, Bull. 60, U. S. Nat. Mus., p. 58, fig. 22 (Novem- 

 ber 9, 1907). Not S. jormosum Hoek, Siboga-Expeditie, Cirripedia 

 Pedunculata, p. 110, PL 8, figs. 11, llo (October, 1907). 



