Trans, Conn. Acad. Vol. XIII. 



PLATE X. 



A.H. Verrill, phot. 



Stoddard & Brown, eng. 



1. Cliff Crab, Plagusia depreasa ; 2. Sesarma Ricordi ; 3. Percnon playiissimum 



6. Grapsus grapsufs. 



