196 POPULATIONS OF THE SEA 



Durham, J. \V. 1959. Palaeoclimates. In Physics and Chemistry of the 



Earth, \^ol. 3, pp. 1-16. Pergamon Press, London. 

 Ehrenberg, C. G. 1830. New observations on the blood-Hke phenomena 



observed in Egypt, Arabia, and Siberia, with a view and critique of 



the early accounts of similar appearances. Edinburgh Neiv Philos. 



J., 1830-1831, 122-136, 341-352. 

 Ekman, Sven. 1953. Zoogeography of the Sea. Sidgwick & Jackson, 



London, England. (English edition of original Swedish edition, 1935.) 

 Fischer, A. G. 1960. Latitudinal variations in organic diversity. Evolution, 



14, 64-81. 

 Forbes, Edward. 1844. Report on the Mollusca and Radiata of the 



Aegean Sea, and on their distribution, considered as bearing on 



geology. Brit. Assoc. Adv. Sci., Kept. 13th Mtg., pp. 130-193. 

 Forbes, Edward, and Robert Godwin-Austen. 1859. The Natural 



History of the European Seas. John \'an X'oorst, London, England. 

 George, T. X. 1958. Lower Carboniferous paleogeography of the British 



Isles. Proc. Yorkshire Geol. Soc, 31, 227-318. 

 Gill, E. D. 1958. Australian Lower Devonian paleobiology in relation to 



the concept of continental drift. University of Tasmania Dept. 



Geology, Continental drift: A symposium, pp. 103-122. 

 Gislen, Torsten. 1948. Aerial plankton and its condition of life. Biol. 



Revs. Cambridge Phil. Soc, 23, 109-126. 

 Handlirsch, Anton. 1937. Xeue LTntersuchungen iiber die fossilen In- 



sekten; mit Ergansungen und Nachtragen sowie Ausblicken auf 



phylogenetische, palaeogeographische und allgemein biologische 



Probleme. L Naturh. Mus. Wien, 48. 

 Hecker, R. Th., A. L Ossipova, and T. X. Belskaya. 1959. Paleobio- 



geography of the Fergana Gulf in the Paleogene. In Preprints 



International Oceanographic Congress, p. 276. American x'\ssociation 



for the Advancement of Science, Washington, D.C. 

 Hedgpeth, J. W., Editor. 1957a. Treatise on Marine Ecology and Paleo- 



ecology. Vol. 1, Ecology. {Geol. Soc. Am. Mem. 67.) 

 . 1957b. Classification of marine environments. In Treatise on 



Marine Ecology and Paleoecology. Vol. 1, Ecology, J. \V. Hedgpeth, 



Editor. {Geol. Soc. Am. Mem. 67, \1-Tt .) 

 . 1957c. Concepts of marine ecology. In Treatise on Marine 



Ecology and Paleoecology. \o\. 1, Ecology, J. W. Hedgpeth, Editor. 



{Geol. Soc. Am. Mem. 67, 29-52.) 

 -. 1957d. Marine biogeography. In Treatise on Marine Ecology and 



Paleoecology. Vol. 1, Ecology, J. W. Hedgpeth, Editor. {Geol. Soc. 

 Am. Mem. 67, 359-382.) 

 Heer, Oswald. 1868-1883. Flora Fossilis Arctica [quarto]. \'ol. I, 1868, 

 Friedrich Schulthess, Zurich; Vol. II, 1871, J. Wurster & Co., 

 Winterthur; Vol. HI, 1875, Vol. IV, 1877, Vol. V, 1878, Vol. VI, 

 1880, Vol. VII, 1883, J. Wurster & Co., Zurich, Switzerland. 



