Tank Nr. 22. 



45 



Fig. 129. Four specimens of Avicula hirundo attached to a stone, 



*/2 na t- size. p. 83. 



Fishes. Sea-horse (Hippocampus, fig. 130), head like the 

 knight in chess, tail curling forward, generally attached 

 to a coral or weed. 



Crustaceans. Sometimes hanging down from floating wood 

 or pumice the *Goose-barnacle (Lepas, fig. 131). Crawling 

 on the sand or half hidden in it "Penaeus (fig. 132) and 

 "Stenopus (Fig. 133). 



Fig. 130. Hippocampus 



guttulatus, 

 1 /2 nat. size. p. 95. 



Fig. 131. Lepas anatifera hanging 



to a floating piece of pumice-stone, 



'/2 Da t- size. p. 75. 



