PLANKTON OF THE GULF OF MAINE 
495 
Gough, Lewis H. — Continued. 
1907. Report on the plankton of the English Channel in 1904 and 1905. Ibid., 1904—05 
(1907), pp. 165-268, 8 charts, London. 
Gran, H. H. 
1902. Das Plankton des Norwegischen Nordmeeres, von biologischen und hydrografischen 
Gesichtspunkten behandelt. Report on Norwegian Fishery and Marine Investi- 
gations, Vol. II, Part II (1909), No. 5, 222 pp., 1 pi. Bergen. 
1908. XIX. Diatomeen. In Nordisches Plankton, herausg. von Prof. Dr. K. Brandt und 
Prof. Dr. C. Apstein in Kiel, dritte Lieferung, No. XIX, 146 pp., 178 text figs. Kiel 
und Leipzig. 
1912. Pelagic plant life. Chapter VI, The Depths of the Ocean, by Murray and Hjort, 1912, 
pp. 307-386. London. 
1912a. Preservation of samples and quantitative determination of the plankton. Publications 
de Circonstance, No. 62, Conseil Permanent International pour l’Exploration de la 
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1915. The plankton production of the North European waters in the spring of 1912. Bulletin 
Planktonique, 1912. Conseil Permanent International pour l’Exploration de la Mer, 
1915, 143 pp., 11 tables, 2 pis. Copenhague. 
1919. Quantitative investigations as to phytoplankton and pelagic Protozoa in the Gulf of 
St. Lawrence and outside the same. Canadian Fisheries Expedition, 1914-15 (1919), 
Department of the Naval Service, pp. 489-495, 3 tables. Ottawa. 
Haeckel, Ernst. 
1881. Report on the deep-sea Medusae. Report on the scientific results of the voyage of 
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Hamilton, J. Erik. 
1915. Belmullet whaling station. Report, British Association for the Advancement of Science, 
1914 (1915), pp. 125-161, Pis. III-IV, 2 text figs. London. 
1916. Belmullet whaling station. Ibid., 1915 (1916), pp. 124-146, 4 text figs. London. 
Hansen, H. J. 
1908. Crustacea Malacostraca. I. The Danish Ingolf-Expedition, Vol. Ill, Part 2, 120 
pp., Pis. I-V, 4 text figs., 1 chart. Copenhagen. 
1911. The genera and species of the order Euphausiacea, with account of remarkable varia- 
tion. Bulletin de l’lnstitut Oc6anographique [Monaco], No. 210, 20 Mai, 1911, pp. 
1-54, 18 text figs. Monaco. 
1915. The Crustacea Euphausiacea of the United States National Museum. Proceedings, 
United States National Museum, vol. 48, 1915, pp. 59-114, pis. 1-4. Washington. 
Hargitt, Charles W. 
1902. Notes on a few Medusse new to Woods Hole. Biological Bulletin of the Marine Bio- 
logical Laboratory at Woods Hole, Mass., Vol. IV, No. 1, December, 1902, pp. 
13-23, 7 text figs. Woods Hole, Mass. 
1902a. Notes on Cyanea Arctica. Science, new series, Vol. XV, January-June, 1902, p. 571. 
New York. 
1905. Variations among Scyphomedusse. The Journal of Experimental Zoology, Vol. II 
(1905), No. 4, November, 1905, pp. 547-582, PI. I, 17 text figs. Baltimore. 
1905a. The Medusse of the Woods Hole region. Bulletin, United States Bureau of Fisheries, 
Vol. XXIV, 1904 (1905), pp. 21-79, Pis. I- VII, text figs. Washington. 
Hartlaub, Clemens. 
1899. X. Die Hydromedusen Helgolands. Zweiter Bericht, Wissenschaftliche Meeresunter- 
suchungen, Kommission zur wissenschaftlichen Untersuchung der deutschen Meere 
in Kiel und der biologischen Anstalt auf Helgoland, Abteilung Helgoland, neue 
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