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Dixon, G. (= BERESFORD, W.). 
1789. A Voyage around the world, but more particularly to the northwest 
coast of America; performed in 1785, 1786, 1787, and 1788, in the 
‘King George’’ and ‘‘Queen Charlotte,’’? Captains Portlock and 
Dixon. (London, Goulding), i-xxix, 360-477, pls. 1-17, 5 maps. 
D’Orsieny, A. D. 
1835-1843. ‘‘Mollusques’’ in Voyage dans 1’Amerique meridionale, 1826— 
1833, 5, part 3, pp. i-xilii, 1-758, pls. 1-86. 
Dunn, F. W. 
1892. Coleoptera and Mollusca of the ocean beach at San Francisco. Zoe, 
2, 310-312. 
EASTMAN, C. R. 
1900. Textbook of palaeontology, by Karl A. von Zittel; trans. and ed. by 
C. R. Eastman. (New York, Maemillan), 1, x + 706, 1476 figs. in 
text. 
1913. Ibid., ed. 2 rev., 1, x + 839, 1594 figs. in text. 
Epwarps, ©. L. 
1913. The abalones of California. Pop. Sci. Mo., 82, 532-550, [19] figs. in 
text. Also in Ann. Rep. Smithson. Inst., 1913, 429-438, pls. 1-10. 
ENGELMANN, T. W. 
1883. Farbe und Assimilation. Bot. Zeit., 41, 1-17. 
EScHSCHOLTZ, J. F. 
1829-1833. Zoologischer Atlas, enthaltend Abbildungen und Beschreibungen 
neuer Thierarten, wihrend des Flottcapitains von Kotzebue zweiter 
Reise um die Welt auf der Russisch-Kaiserlichen Kriegsschlupp 
‘«Predpriaetie,’’ . . . 1823-1826. (Berlin, Reimer): Heft 1, 17 pp., 
pls. 1-5, 1829; Heft 2, 13 pp., pls. 6-10, 1829; Heft 3, 18 pp., pls. 
11-15, 1829; Heft 4, 19 pp., pls. 16-20, 1831; Heft 5 (hrsg. v. 
M. H. Rathke), 28 pp., pls. 21-25, Mollusea, pls. 9, 15, 19, 23 and 24. 
Gaps, W. M. 
1864. Triassic and Cretaceous fossils. Geol. Surv. Calif., Palae., 1, 55-243, 
pls. 9-32. 
1865. Descriptions of new species of marine shells from the coast of Cali- 
fornia. Proe. Calif. Acad. Sci., 3, 182-190. 
1869. Cretaceous and Tertiary fossils. Geol. Surv. Calif., Palae., 2, 1-299, 
pls. 1-36. 
Gou.p, A. A. 
1840. Report on shells from California. Am. Jour. Sci., 38, 396. 
1841. Report on the Invertebrata of Massachusetts, comprising the Mollusca, 
Crustacea, Annelida and Radiata (Cambridge, Folsom), xiii + 373 pp., 
213 figs. on [15] pls. 
1846a. Descriptions of new species of shells collected by the United States 
Exploring Expedition commanded by Charles Wilkes, U. 8. N., 
Proce. Boston Soe. Nat. Hist., 2, 142-145. 
1846). Ibid., 2, 148-152. 
1847. Ibid., 2, 237-239. 
1848a. Ibid., 3, 83-85. 
1848b. Ibid., 3, 89-92. 
1849a. Ibid., 3, 118-121. 
1849b. Ibid., 3, 151-156. 
1849¢c. Ibid., 3, 169-172. 
1849d. Ibid., 3, 214-218. 
1850. Ibid., 3, 343-348. 
