MUSEUM OF COMPARATIVE ZOOLOGY. 103 



Euphausia gibboides Ortmann. 

 Deoap. u. Schizop. Plankton Exp. 1893, p. 12, PI. I. fig; 5. 



Stations of the " Albatross " : — 



Hyd. 2627. Surface to 1,770 fathoms. (Between Cape San Francisco and 



Galapagos.) 

 Ilyd. 2628. Surface to 200 fathoms. (Between Cape San Francisco and 



Galapagos, about 250 miles from the Galapagos.) 

 "Survey" station (between San Francisco and the Sandwich Islands): — 

 540. Surface to 300 fathoms. Lat. 35° 19' 30" N. ; Long. 125° 21' 30" W. 

 Geographical Distribution. This species was obtained by the "Plankton 

 Expedition " in the tropical part of the Atlantic, between and 500 meters. 



Euphausia gracilis Dana. 



G. 0. Sars, Challenger Schizopoda, 1885, p. 89, PI. XV. figs. 12-23. 

 Ortmann, Decap. u. Schiz. Plankton Exp. 1893, p. 13. 



Stations of the " Albatross " : — 



Hyd. 2628. Surface to 200 fathoms. (Between Cape San Francisco and 

 Galapagos, about 250 miles from the Galapagos.) 



3409. Surface. (Bindloe I., Galapagos.) 



3412. Surface. (Wenman I., Galapagos ) 



Geographical Distribution. Central Atlantic; Tropical Pacific; Austra- 

 lian seas ; Celebes Sea. Surface to about 1,000 meters. 



Nematoscelis megalops G. 0. Sars. 



G. 0. Sars, Chall. Schiz. 1885, p. 127, PI. XXIII. figs. 5-10. 

 Ortmann, Plankton Exp., 1893, p. 15. 



"Survey" stations (between San Franci.sco and the Sandwich Islands): — 



540. Surface to 300 fathoms. Lat. 35° 19' 30" N. ; Long. 125° 21' 30" W. 



541. Surface to 300 fathoms. Lat. 35° 25' 30" N. ; Long. 125° 9' 30" W. 

 Geographical Distribution. North Atlantic ; Greenland, Nova Scotia, 



British coa.sts ; Southern subtropical Atlantic. 



Nematoscelis microps G. 0. Sars. 



G. Sars, Chall. Schiz. 1885, p. 131, Pi. XXV. figs. 1-4. 

 Ortmann, Plankton Exp. 1893, p. 16. 



The identification of this species is somewhat doubtful, since in none of the 

 specimens are the elongated legs preserved. 



