LYSIANASSA. 



which they are respectively attached ; whilst the three 

 posterior pairs of coxae are much shorter than the pre- 

 ceding. The legs are all subequal in length. The 

 caudal appendages are short, the posterior, as well as 

 the two preceding pairs, terminating in two branches. 

 The middle tail- piece is single, squamiform, and entire. 



The vignette below represents Salcoinbe Harbour, 

 Montagu's favourite hunting-ground, from a sketch by 

 Mr. P. Mitchell, of Plymouth, 





