104 University of California Publications. [ ZOOLOGY 
Forskal, Petrus. 
1775. Deseriptiones Animalium Avium, Amphibiorum, Piscium, Insee- 
torum, Vermium; quae in itinere orientali observavit. 
Salpa, p. 112. Genus instituted and defined as belonging to 
the mollusca: S. maxima, S. pinnata, S. democratica, S. mu- 
cronata, S. confoederata, S. africana, S. punctata, S. fasciata 
S. sipho, S. solitaria, S. polyeratica. 
Gegenbaur, C. 
1854. Ueber die Entwickelung von Doliolum, der Scheibenquallen und 
von Sagitta. Briefl. Niettheilungen an A. Kolliker, Zeitschr. 
f. wiss. Zool., Bd. V, p. 13-16. 
1856. Ueber den Entwickelungseyclus von Doliolum nebst Bemerkun- 
gen tiber die Larven dieser Thiere. Zeitschr. f. wiss. Zodl., 
Bd. VII, p. 283-314. 
Recognized the difference between the median and _ lateral 
buds on the dorsal process, without, however, finding how 
these are related to one another and to the ‘‘nurse’’; and 
other important new facts. . 
Grobben, Carl. 
1882. Doliolhim und sein Generationswechsel, etc. Wien, 1882. One 
of the most important contributions to the knowledge of 
the genus. 
Herdman, W. A. 
1882. Report on the Tunicata collected during the Cruise of H.M.S. 
Triton in the Summer of 1882. Trans. Roy. Soc. Edinburgh 
Vol. XXXII, pp. 93-117. 
1888. Report on the Tunicata collected during the Voyage of H.M.S. 
Challenger, Part III, Pyrosomidae, Thaliacea, Larvacea. 
Challenger Reports, Zodlogy, Vol. XXVII, pp. 1-163, Pls. 
1-11. New salpidae: S. musculosa, S. mollis, S. nitida, S. 
quadrata, S. echinata. New Doliolidae: D. affine, D. challen- 
geri, D. krohni, D. tritonis. New Pyrosomidae: P. spinoswm. 
All new and numerous old species fully described and fig- 
ured, and relationships discussed. 
bf 
1891. A Revised Classification of the Tunicata, etc. Linnean Society’s 
Journal, Zoology, Vol. XXIII. Sanctions Lahille’s proposal to 
divide the old genus Salpa into the additional genera, viz.: 
Thalia, Blumenbach, 1810 (not Browne, 1756; Pegea, Savigny, 
1816, and Jasis, Savigny, 1816. 
1904. Ascidians and Amphioxus. The Cambridge Natural History, 
Vol. VII. Macmillan and Co. 
Huxley, T. H. 
1851. Observations upon the Anatomy and Physiology of Salpa and 
Pyrosoma. Philos. Trans. Roy. Soc. London, part II, pp. 
567-593. In addition to the important discussion of the 
