PAL.EMON SERRATUS. 303 



above armed with seven or eight teeth (usually seven, 

 rarely six), which are confined to the posterior portion, the 

 anterior third being slender and unarmed ; the extremity 

 bifid, the inferior point being the longer ; beneath armed 

 with four or five teeth (usually five). The eyes are large 

 and round. Of the three filaments of the internal (supe- 

 rior) antennae, the shortest scarcely extends to the ex- 

 tremity of the rostrum ; the others are more than twice 

 as long. The external antennae are very long, being- 

 half as long again as the animal from the tail to the 

 extremity of the rostrum ; the scale with the sides nearly 

 parallel, anteriorly and posteriorly obliquely truncate, 

 forming a long rhomboid ; the inner edge furnished with 

 long hairs. The first pair of feet very slender, ordinarily 

 bent upon itself; the hand arid fingers together not nearly 

 as long as the wrist ; the second pair extend forwards to 

 the end of the rostrum ; the hand rounded, elongate ; the 

 fingers slender, as long as the hand ; the hand and fingers 

 together twice as long as the wrist ; the remaining pairs 

 slender and simple. The abdominal false feet very long ; 

 the terminal joint of the abdomen narrowed forwards, with 

 two long slender terminal teeth, and two pairs of small 

 teeth on the sides. Caudal lamina? furnished with long 

 hairs on the terminal margin. 



Ordinary length upwards of four inches. 



Colour bright grey, spotted and lined with darker purplish 



grey. 



This species, which is so well known as a favourite and 

 delicate article of food, is found in vast numbers on all the 

 coasts of this island. It appears from various accounts that 

 it approaches the shore in its young state, and multitudes 

 of them are taken in shrimp-nets, and sold as shrimps on 

 some parts of the coast. I found that at Bognor the 



