COPEPODS GATHERED BY ALBATROSS—WILSON PBT 
5297 ; 5240; 5287; 5820; 5437; 5578. Identified by Sars at 17 of these 
Albatross and at 23 Monaco stations and found in the Siboga and Car- 
negie planktons, but everywhere in small numbers. 
HALOPTILUS OXYCEPHALUS (Giesbrecht) 
Hemicalanus oxycephalus GiESBREcHT, Atti Accad. Lincei, Rome, ser. 4, vol. 5, 
sem. 1, p. 813, 1889; Fauna und Flora des Golfes von Neapel, monogr. 19, pp. 
384, 398, pl. 42, figs. 7, 16, 28, 1892. 
Station 3799. This species was originally obtained by Giesbrecht 
from the tropical Pacific not far from this Albatross station. It ap- 
peared also in the Monaco and Carnegie planktons but has always been 
reported as rare. These Albatross specimens were darker in color 
and not so transparent as the other species of the genus. 
HALOPTILUS SPINICEPS (Giesbrecht) 
Hemicalanus spiniceps GIESBRECHT, Fauna und Flora des Golfes von Neapel, 
monogr. 19, pp. 384, 399, pl. 27, figs. 5, 20, 35, 40; pl. 42, figs. 3, 8, 10, 11, 21, 
25, 1892. 
Stations 6; 27; 3799; 3803; 4701; 4715; 47305 5240; 5246; 5422; Fiji 
Islands. Identified by Sars at six of these Albatross and at two 
Monaco stations and present in the Siboga and Carnegie planktons. 
Originally established upon specimens from the western Mediterra- 
nean it has been reported from the temperate Atlantic and from the 
southern and tropical Pacific, but the number of specimens has always 
been limited. 
HALOPTILUS TENUIS Farran 
Haloptilus tenuis Farran, Fisheries Ireland, Sci. Invest., 1906, pt. 2, p. 68, pl. 7, 
figs. 16-22, 1908. 
Station 3799. The original specimens were obtained from the 
northern Atlantic off the west coast of Ireland, and it was found at a 
single Monaco station in the same locality. These Albatross speci- 
mens came from the Hawaiian Islands and are the first record from the 
Pacific. 
HALOPTILUS VALIDUS Sars 
Haloptilus validus Sars, Bull. Inst. Océanogr. Monaco, No. 377, p. 11, 1920; Rés. 
camp. sci. Albert de Monaco, No. 69, p. 241, pl. 68, 1925. 
Station 4700. Identified by Sars from this Albatross station near 
the Galapagos Islands and from two Monaco stations but not present 
in the other lists. 
Genus HARPACTICUS Milne Edwards, 1840 
HARPACTICUS CHELIFER (Miller) 
Cyclops chelifer MiLuer, Zoologiae Danicae prodromus, p. 200, 1776. 
Beaver Harbor, Vancouver Island, British Columbia; Caldera Bay 
anchorage west coast of Mindanao, Philippine Islands. This 
