34 



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). *Pyro- 

 soma (fig. 96), a transparent frothy cylinder up to eight 

 inches by three. 



Fig. 93. Single individual of Salpa maxima- afric ana, 

 >/2 nat. size. p. 86. 



Fig. 94. Chain of Salpa maxima-africana, 

 1/2 nat. size. p. 86. 



Fig. 9 5. Chain of 

 Salpa pinnata, 



V-2 nat. size, 

 p. 86. 



Fig. 96. Pyrosoma elegans, 

 */2 nat. size. p. 85. 



