HIPPOLYTE. 
119 
Pans and Crail. The variation in colour generally agrees 
with the prevailing colour of seaweed in these pools ; some- 
times it has the red hue of Delesseria , at other times it is 
dark green or light green, and the colour sometimes remains 
for months after death/ * 
Hippolyte eascigera, Gosse.t The Vlumecl Hippolyte . 
— Beak straight, acuminate, with two teeth above, the one 
at the base and the other near the apex ; two teeth below, 
the one near the middle the other near the tip. Body 
studded with deciduous tufts of plumes. 
Hab. Weymouth Bay. Length 7-8ths of an inch. The 
most remarkable character of this species is the presence of 
six tufts of plumose bristles on each segment of the body ; 
each tuft consists of from ten to fifteen plumes, diverging. 
It is generally pellucid-white, clouded with opaque drab, 
and generally blotched with dark reddish-purple. 
Hippolyte Grayana, Thompson. — Beak long, hollowed 
out above and below ; above, unarmed, with one tooth near 
the tip ; beneath, with three teeth. Abdomen compressed, 
of even depth as far as the posterior edge of the third seg- 
ment, and then becoming suddenly very much contracted, 
* Dr. Howden, Trans. Roy. Phys. Soc. Edin. Jan. 1853. 
f Gosse, Ann. and Mag. 1853, p. 153. 
