438 BTLLETIX: MUSEUM OF COMPARATIVE ZOOLOGY. 



Station 3389. OflF Panama, 7° 16' 45" N., 79° 56' 30" W., 210 fms. 

 Bott. temp. 48.8°. Gn. m. 

 One specimen. 



Amphioplus dalea. 



Amphiura dalea Lyman, 1879. Bull. M. C. Z., 6, p. 27. 1882. Challenger 



Oph., pi. 18, fig. 11-13. 

 Amphioplus dalea Verrill, 1899. Trans. Conn, acad., 10, p. 315. 



Although the type-locaUty for this species is in the southwestern 

 Atlantic, it has been recorded twice from the Eastern Tropical Pacific. 

 These specimens are not noteworthy in any particular save that they 

 are mostly adults (disk-diameter 5-13 mm.) and are very well pre- 

 served. 



Station 4649., Eastern Tropical Pacific, 5° 17' S., 85° 20' W., 

 2235 fms. Bott. temp. 35.4°. Fne. stky. gy. m. 



Station 4670. 105 miles northeast of Palominos Light House» 

 Peru. 3209 fms. Bott. temp. 35.4°. Fne. dk. br. m. 



Sixty specimens. 



Amplioplus laevis. 



Amphiura laevis Lyman, 1874. Bull. M. C. Z., 3, p. 229, pi. 4, fig. 18-21, 

 Amphioplus laeins Verrill, 1899. Trans. Conn, acad., 10, p. 315. 



There is a single specimen of this fine species from Taritari, Gilbert 

 Islands. The disk is nearly 6 mm. across and the arms about 65 mm. 

 long. 



OPHIOTRICfflDAE. 



Ophiothrix DEMESSA. 



Lyman, 1861. Proc. Boston soc. nat. hist., 8, p. 82. Koehler, 1905. Siboga- 

 Exp. Oph. litt., pi. 9, fig. 5, 6. 



Most of the specimens are small and in poor condition, but there is 

 no mistaking this characteristic Pacific species. 

 Paumotu Islands: Makemo. Fakarava. 

 Thirteen specimens. 



