141 



Seshappa, G., 1953: Observations on the physical and biological features of the inshore 



sea bottom along the Malabar coast. - Proc. Nat. Inst. Sci. of India, 19, No. 2: 



257-79. 

 Shasky, Donald R., 1961: New deep water moUusks from the Gulf of California. - 



The Veliger, 4, No. 1 : 18-21, 1 pi. 

 Shepard, Francis P., 1950: 1940 E. W. Scripps cruise to the Gulf of California. 



Pt. III. Submarine topography of the Gulf of California. - Mem. Geol. Soc. Amer. 



43:32 pp. 



— 1954: Nomenclature based on sand-silt-clay ratios. Jour.Sed. Petrology, 2^: 151-8. 

 Shepard, Francis P., Phleger, Fred B, and van Andel, Tjeerd H., 1960: Recent 



Sediments, Northwest Gulf of Mexico 1951-1958 editors. - Amer. Assoc. Petrol. 



Geol., Tulsa, Oklahoma: 394 pp., 12 pis. 

 Slevin, J. R., 1923: Expedition of the California Academy of Sciences to the Gulf of 



California. Proc. Calif. Acad. Sci., 12: 55-72. 

 Sorgenfrei, Theodor, 1958: Molluscan assemblages from the marine middle Miocene 



of South Jutland and their environments. - Vol. I and II. Geol. Surv. Denmark, 



II, Series No. 79: 503 pp., 76 pis. 

 SouLE, John D., 1961 : Results of the Pur/ton-American Museum of Natural History 



.... 13. Ascophoran Cheilostomata (Bryozoa) of the Gulf of California. - Amer. 



Mus. Novitates, 2053: 66 pp. 

 Sparck, R., 1926: On the food problem in relation to marine zoogeography. - In- 



Physiological Papers Dedicated to August Krogh, Levin and Munksgaard, Copen- 

 hagen: 268-83. 



— 1931 : Some quantitative investigations of the bottom fauna of the west coast of 

 Italy, in the Bay of Algiers, and at the coast of Portugal. - Rept. Danish Oceanogr. 

 Exped., 1908-1910, 3, No. 7: 1-11. 



— 1933: Contributions to the animal ecology of the Franz Joseph Fjord and adjacent 

 waters. I-II. - Medd. om Grenland, 100, No. 1 : 1-38, 6 pis. 



— 1951: Density of bottom animals in the ocean floor. - Nature, 168, No. 4264: 

 1 12-3. 



Squires, Donald F., 1959: Results of the Puriton-American Museum.... 7. Corals 



and coral reefs in the Gulf of California. - Bull. Amer. Mus. Hat. Hist., 118, 



Art. 7:367-432, pis. 28-34. 

 Steinbeck, John, and Ricketts, Edward F., 1941 : Sea of Cortex, a Leisurely Journal 



of Travel and Research. - Viking Press, New York, x, 598 pp. 40 pis. 

 Suyehiro, Y. etal., 1960: Notes on the sampling gears and the animals collected 



on the second cruise of the Japanese Expedition of the Deep Seas (JEDS-2). - 



Oceanogr. Mag. II, 2: 187-98, 2 pis. 

 SvERDRUP, H. U., Johnson, Martin W., and Fleming, Richard H., 1942: The 



Oceans, Their Physics, Chemistry, and General Biology. - Prentice-Hall, Inc., 



New York, x, 1087 pp. 

 Thorson, Gunnar, 1934: Contributions to the animal ecology of the Scoresby Sound 



fjord complex (East Greenland). - Medd. om Grenland, 100, No. 3: 1-67. 



— 1944: Marine Gastropoda Prosobranchiata. In: The Zoology of East Greenland -. 

 Ibid., 121, No. 13: 181 pp. 



— 1946: Reproduction and larval development of Danish marine bottom inverte- 

 brates. - Medd. Komm. Fiskeri- og Havundersog., ser. Plankton, 4, No. 1 : 523 pp. 



— 1950: Reproductive and larval ecology of marine bottom invertebrates. - Biol. 

 Rev., 2^, No. I: 1^5. 



