50 



Part first. 



Tank Nr. S4 



illustrating concealment and mimicry of surroundings. 



On the sand Musk-octopus [Eledone, p. 77) _, black and 

 Avhite. Squilla, see tank 23. * Young Rays and Angler-fish^ 

 see tanks 10 and 12. 



Hidden in the sand, Fishes: Star-gazer {Uranoscopus,, 

 fig. 149), with big oval head and wide mouth. Weever 

 {Trachhius, fig. 150), long-shaped body, head like a frog. 

 Both of these bury themselves all but their eyes. Rock- 

 ling {Motella , fig. 151). Soles {Holea, fig. 153) and Turbot 

 {lihomhus, fig. 152), the exact colour of the sand. 



Fig. 149. Vranoscopus scaber (Star-gazer), 

 ^2 nat. size. p. 91. 





?^«i5^^*^ 



Fig. 150. Trachinus draco (Weever), 

 V2 iiat. size. p. 91. 



Fig. 151. Motella vulgaris (Reckling), 

 '/a nat. size. j). 93. 



