Vou. 2] Ritter—-The Pelagic Tunicata. 73 
Although this, by far the largest, most magnificent of all 
our species of Salpa, has never been taken in great abundance 
on the California coast, it is by no means rare, since a few speci- 
mens at a time have been frequently collected at numerous points 
during the last fifteen years. The collections show it to have 
been taken in March, May, June, July, August, and November, 
with the largest numbers in March and July. 
Salpa democratica-mucronata Forsk. 
Salpa democratica Forskahl, 1775, p. 113, Pl. 36, fig. G (solitary 
gener. ) 
Salpa mucronata Forskahl, 1775, p. 114, Pl. 36, fig. D (aggregate 
gener. ) 
Salpa Cabotti Agassiz, 1886, p. 17, figs. 1-5. 
Salpa democratica-mucronata Krohn, 1846, p. 112-113. 
Salpa democratica-mucronata Leuckart, 1854, p. 3, et seq., Pl. I, 
figs. 1, 3, and numerous others. 
Salpa democratica-mucronata Traustedt, 1885, p. 365, Pl. 2, figs. 
25 and 28. 
Salpa democratica-mucronata Herdman, 1888, Pl. VILI, figs. 1-10. 
Salpa democratica Brooks, 1893, pp. 6-16, particularly for anat- 
omy. Pl. 2, especially. 
Thalia democratica-mucronata Herdman, 1899, p. 748. 
Salpa mucronata Apstein, 1901, p. IIT 5, figs. 5a and 5b. 
Fig. 18.—S. democratica-mucronata, solitary generation. 
(a) Solitary (budding) generation—Fig. 18. Form ovate, 
the posterior end armed with a pair of long,slender, bilaterally 
placed processes, with a median ventral process, usually bifid, 
the ventral horn much shorter than its mate, which is sometimes 
nearly as long as the laterals; usually with a median dorsal 
process, sometimes of considerable length, but more frequently 
