340 University of California Publications in Zoology |Vou.9 
Hsort, JOHANN. 
1911. The ‘‘Miehael Sars’’ North Atlantie deep-sea expedition, 1910. 
Geogr. Jour., vol. 37, April and May, 1911, pp. 349-377, 500— 
523. 
Kororp, C. A. 
1907a. The coincident distribution of related species of pelagic organisms 
as illustrated by the Chaetognatha. Amer. Nat., vol. 41, no. 
484, pp. 241-251. 
1907b. The limitations of isolation in the origin of species. Science, n.s., 
vol. 25, no. 639, pp. 500-506. 
McEwen, G. F. 
1910. Preliminary report on the hydrographie work carried on by the 
Marine Biological Station of San Diego. Uniy. Calif. Publ. 
Zool., vol. 6, no. 9, pp. 189-204. 
MicHAeEL, Evuis L. 
1911. Classification and vertical distribution of the Chaetognatha of the 
San Diego region including redescriptions of some doubtful 
species of the group. Univ. Calif. Publ. Zool., vol. 8, no. 3, pp. 
21-174. 
NoRDGAARD, O. 
1905. Hydrographical and biological investigations in Norwegian Fiords. 
Bergens Museum, 1905, pp. 1-48, 229-253. 
Sars, G. O. 
1903. An account of the Crustacea of Norway, with short descriptions, 
and figures of all the species, vol. 4, pp. 1-171, pls. 1-16, supp. 
pls: 1-9: 
WOLFENDEN, R. N. 
1904. Notes on the Copepoda of the North Atlantic and Faroe Channel. 
Journ. Mar. Biol. Assoc., vol. 7 (n.s.), pp. 110-146, pl. 9. 
