THE MUSICAL STRAND -CRAB OF THE COROMANDEL 



COAST. 



Fig. 26, — The Red Ocypode Crab {Ocypoda macrocerd)^ in a crouching 

 attitude. 



Fig. 27.— Larg-er cheliped of the Red Ocypode Crab {Ocypoda 

 macrocerd), showing the stridulating mechanism, possessed by both sexes 

 — («) the key-board, on the inner surface of the " palm " ; the plectrum 

 or scraper, on the inner surface of the "aim." 



[ To facf page 214. 



