102 University of Californa Publications. [ ZooLocy 
BIBLIOGRAPHY. 
The more important literature of the Pelagic Tunicata. 
Agassiz, A. 
1866. Description of Salpa Cabotti Desor. Proce. Boston Soc. Nat. 
Hist., Vol. XI, pp. 17-23. Good figures of Salpa democratica- 
mucronata. 
Apstein, Carl. 
1894. Die Thaliacea der Plankton-Expedition. B. Vertheilung der 
Salpen. 
Ergebnisse der Plankton-Expedition der Humboldt-Stiftung. 
Bast Baas: 
New: S. floridiana, S. verrucosa, S. magalhanica, S. fusiformis 
var. echinata proles gregata. S. virgula redescribed. Special 
attention to distribution, geographical, vertical, seasonal. 
1901. Salpen, in Nordisches Plankton, p. III 5-IIT 10. 
Banks and Solander. 
1773. Hawkesworth’s Voyages. Vol. II, pp. 2-3. The deseription of 
Dagysa by Hawkesworth, but attributing the observations 
and name to Banks and Solander, admits of no question 
that the animals described were salps. 
Blainville, de H. 
1827. Dictionnaire des sciences naturelles, Tome 47, pp. 94-123. Ge- 
eric name Cyclosalpa proposed. 
Borgert, A. 
1894. Die Thaliacea der Plankton-Expedition C. Vertheilung der 
Doliolen. 
Ergebnisse der Plankten-Expedition. Bd. I, E. a. 
1901. Dolioliden, in Nordsches Plankton, p. III 1-IIT 4. 
Brooks, W. K. 
1875. Embryology of Salpa. Proc. Boston Soc. Nat. Hist., Vol. 18, 
p. 198. Author’s view that solitary salpa is the female, and 
chain salpa the male, hence not a true alternation of gen- 
erations, first set forth. 
1893. The Genus Salpa. Memoirs from the Biological Laboratory of 
the Johns Hopkins University, Il, Johns Hopkins University 
Press, Baltimore, pp. 1-303. Most comprehensive study of 
the genus yet published. Part. I.—‘‘A general account of 
the life history of Salpa. Part I1.—The systematic affinity 
of Salpa in its relation to the conditions of primitive pelagic 
life; the phylogeny of the tunicata; and the ancestry of 
the Chordata. Part III.—A eritical discussion. of my own 
observations and those of other writers, on the sexual and 
asexual development of Salpa.’’ Excellent figures of the 
adults of several species. 
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