198 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. :i7. 



CAVOLINA UNCINATA Rang. 



1836. Ilyalxa uncinata Rang in Orb. Voy. Am. Mer., p. 93, 

 pi. 5, figs. 11-13. Cape St. Lucas, Lower California, south 

 to Ecuador and the Galapagos Islands. Also Atlantic. 



Genus CLIO Linnaeus. 



I 



CLIO ANTARCTICA Dall. 



1908. Smithsonian Misc. Coll., vol. 50, p. 501. Ilyalsea austra 

 Us Orbigny Voy. Am. Mer., p. 117, pi. 8, figs. 9-11, 1836; ■ 

 not of Peron, 1816. Southeastern Pacific, also near Cape of 

 Good Hope. 



CLIO PYRAMIDATA Linnaeus. 



1767. Syst. Nat., 12th ed., p. 1091. Cleodora lanceolata Soul- 

 EYET, Zool. Bonite, vol. 2, p. 179, pi. 6, figs. 17-25, 1852. 

 Southeastern Pacific, in S. lat. 27° 11'. Also Atlantic. 



CLIO SULCATA Pfeffer. 



1879. Cleodora sulcata Pfeffer, Monatsb. k. Preuss. Akad. 

 Wiss., p. 240, figs. 11, 12. Off Manta, Ecuador, and south- 

 ward to the Antarctic. 



CLIO (HYALOCYLIX) STRIATA Rang. 



1828. Creseis striata Rang, Ann. Sci. Nat., ser. 1, vol. 13, p. 



315, pi. 16, fig. 7. Off coast of Chile. Also Atlantic. 



Genus CRESEIS (Rang) Sowerby. 



CRESEIS SUBULA Quoy and Gaimard. 



1827. Ann. Sci. Nat., ser. 1, vol. 10, p. 233, pi. 8i>, figs. 1, 2, 3^ 

 (as Cleodora). Eastern Pacific. Also Atlantic, etc. 



Genus STYLIOLA (Lesueur) Gray. 



STYLIOLA ACICULA Rang. 



1828. Creseis acicula Rang, Ann. Sci. Nat., ser. 1, vol. 13, p. 

 318, pi. 17, fig. 6. Eastern Pacific. Also Atlantic. 



STYLIOLA CONICA Eschscholtz. 



1829. Creseis conica Eschscholtz, Zool. Atlas, p. 17, pi. 15, fig. 

 3. Eastern Pacific. Also Atlantic. 



STYLIOLA VIRGULA Rang. 



1828. Creseis virgula Rang, Ann. Sci. Nat., ser. 1, vol. 13, p. 



316, fig. 2. Southeastern Pacific, oft' Juan Fernandez Island. 

 Also Atlantic. 



STYLIOLA (BOASIA) CHIERCHI^ Boas. 



1886. Cleodora chierchix Boas, Spolia Atlantica, p. 62, pi. 3, fig. 

 ZMer. Tropical eastern Pacific. Also Atlantic. 



Genus CUVIERINA Boas. 



CUVIERINA COLUMELLA Rang. 



1828. Cuvieria columella Rang, Ann. Sci. Nat., ser. 1, vol. 13, 

 p. 323, pi. 45, figs. 1-8. Eastern Pacific from N. lat. 23° to 

 S. lat. 42°. Also Atlantic. 



