Part first. 



Tunicates (p. 84). Salps. Each, animal consists of a transparent 

 swimming barrel (fig. 93), from one to eight inches long ; 

 it is easily recognised by the globular brown kernel in 

 one corner: often the salps adhere side by side to form 

 chains (fig. 94 and 95). * Pyrosoma (fig. 96), a transparent 

 frothy cylinder up to eight inches by three. 



Fig. 93. Single individual of Salpa maxima-africana. 

 Va nat.jsize. p. 86. 



Fig. 94. Chain of Salpa maxima-africana, 

 J /2 nat. size. p. 86. 



Fig. 95. Chain of 

 Salpa pinnata, 



*/ nat. size, 

 p. 86. 



Fig. 96. Pyrosoma elegans, 

 {It nat. size. p. 85. 



