MUSEUM OF COMPARATIVE ZOOLOGY. 107 



Siriella thompsoni (Milne-Edwards). 



G. 0. Sars, Cliall. Scliiz. 1885, p. 205, PI. XXVI. figs. 1-24. 

 Ortmann, Plankton Exp. 1893, p. 23. 



" Survey stations" (between San Francisco and the Sandwich Island.s): — 



74. Surface. Lat. 30° 4' 30" N. ; Long. 133° 56' 30' W. 

 133. Surface (females only). Lat. 32° 35' N.; Long. 135° 3' W. 

 165. Surface (males only). Lat. 30° 23' N. ; Long. 180° 26' 30" W. 

 Geographical Distribution. Tropical and subtroxncal seas, surface ; 

 Atlantic, Pacific, and Indian Oceans. 



Siriella gracilis Dana. 

 Cf. G. 0. Sars, Chall. Schizop. 1885, p. 209, PI. XXX VL fig. 25-28. 



Galapagos : Charles Island, surface. 



13° 33' 30" N.; 97° 57' 30" W. 8 p.m. Surfece. (Between Galapagos 

 and Acapuico, about 250 miles S. E. of Acapulco. 



Geographical Distribution. Restricted iip to the present to the Tropical 

 Pacilic. All the specimens were taken at the surface of the sea. 



Eucheetomera typica G. O. Sars. 



G. 0. Sars, Chall. Schiz., 1885, p. 211, PI. XXX VIL figs. 1-20. 

 Ortmann, Plankton Exp. 1893, p. 23. 



Hyd. 2619. Surface to 300 fathoms. (Off Galera Point. Nothing in 

 closed part of net at 300 fathoms.) 



Geographical Distribution. Tropical Atlantic and Northern subtropical 



Pacilic, surface. 



