Porcellana minuta. 



265 



Ord. Macroura, Fara. Galatea<te, Gen. Porcellana, Sp. minuta Westwood. 

 (Jig. 28., magnified.) 



Description. — A female. Anterior margin of the shell 

 with three lanceolate projections ; the middle one the most 



prominent, depressed 

 at its point ; all den- 

 ticulated as well as 

 the upper margin of 

 the orbits of the eyes, 

 which are obsoletely 

 so. On the margin 

 of the shell, behind 



each 



eye, 



are 



three 



spines; and two thirds 

 of the remaining mar- 

 gin is serrated. — 

 Thigh of the first pair 

 of legs much dilated 

 at its internal apex ; 

 which dilatation is 

 denticulated, and the 

 rest of the apex of the thigh the same. — The wrist with its 

 internal margin wavy, and almost imperceptibly denticulated 

 as well as its apex. — Hands compressed, inner margin slightly 

 denticulated, external deeply serrated and ciliated, one third 

 broader than the wrists. Claws depressed. — Shell one eighth 

 of an inch long ; squamose, scales mostly ciliated and mottled 

 with red and yellow when dead. — The individual here de- 

 scribed is a female, and was taken with spawn last June 

 [1834] out of the chambers of a mass of E'schara retiformis 

 which had been dredged up off Hastings. 



Porcellana, second species. [The card which had borne, by the mark, the 

 specimen of this species, was found, on opening the box, to have slid 

 from its place, and to be nearly denuded of objects.] 



Description. — Anterior margin of the shell with a blunt 

 projection, deeply channeled down its middle and depressed, 

 denticulated. Before each eye is a sharp spine ; and two 

 thirds of the margin of the shell behind each eye is serrated. 

 — Thigh of the first pair of legs produced at its internal apex 

 with a spine. — Wrists spinulose, with two prominent spines on 

 their inner margins. — Hands compressed, about the breadth 

 of the wrists ; their external margin serrated. Claws de- 

 pressed. — Shell one tenth of an inch long, scaly, pellucid. — 

 Found among sertularias in June, 1834. — 2. Denmark Place , 

 Hastings, Nov. 7. 1834. 



Vol. VIII. — No. 49. t 



