THE PELAGIC FAUNA AND FLORA. 189 
Among the tunicates I may mention two new species of 
Salpz, one of which is interesting, since its chain occupies, an 
Fig. 100. — Doliolum. $. 
intermediate position between that of Salpa pinnata and the 
ordinary Salpa chain of S. zonaria or S. Caboti of our coast. 
Fig. 109. — Appen- 
dieularia House. 
Greatly magnified. 
р 
Fig. 107. — Pyrosoma. 4. 
Fig. 108. — Appendicularia. Greatly 
magnified. 
The solitary individuals are gigantic specimens, measuring no 
less than twelve inches in length. This solitary form is closely 
allied to S. maxima, but differs 
from it in the number and ar- 
rangement of the muscular 
bands. The chains grow to a 
great length, some of them mea- Fig. 110. — Salpa Caboti. Solitary 
suring more than ten feet and Form. 455. 
as much as nine inches in breadth. The zoüids are placed as 
