286 



PAL^<]MONID^. 



DEC A POD A. 



MACROVRA. 



PALMMONIDJE. 



VARYING HIPPOLYTE. 



Hip'polyte varians. Leach. 



Specific Character. — Rostrum straight, acuminate above, with a spine near the 

 base, and another at the apex ; beneath with a sharp two-toothed carina. Anten- 

 nal scale witli the external tooth one-third from the extremity ; internal antennw 

 with the thick filament only slightly curved. 



Hippolyte varians. Leach, Edinb. Encycl. VIII. p. 432. — Trans. Lin. Soc. XL 

 p. 347.— Encyc. Brit. Supp. I. p. 421.— Malac. Brit. t. 

 xxxviii. f. 6-16.— Edw. Hist. Crust. IL p. 371. 



The carapace is less gibbous in this than in most other 

 species, although more so than H. pandaUformis., now 

 first described ; it is terminated by a straight and elon- 

 gated rostrum, which has on its upper side a tooth near 

 the base, and a very small one near the apex ; beneath 

 there is a short carina, which has two teeth : there is also a 

 small tooth on each side of the base of the rostrum, just over 

 the inner edge of the orbit. The scale of the external antennse 

 is large, and a little longer than the rostrum ; its external 

 tooth is placed at the distance of about one-third from the 



