318 
Dr. Leach’s Arrangement of the Crustacea, 
Cancer depurator. Penn. Brit. Zool. iv. tab. ii. fig. 6 ? ? 
Portunus lividus. Leach, Edin. Encycl. vii. 390. 
Habitat in oceano Scotico; apud Newhaven prope Edinburgum 
semel tantum obvius. 
Abdomen fceminte articulis 4-5 abrupte angustioribus, penultirao 
quinto paululum latiore lateribus arcuatis, ultimo penultimo 
subabrupte angustiore; mar is articulo tertio ad apicem dila- 
tiore; quarto ad basin paululum dilatato; ultimo penultimo 
subabrupte angustiore. 
This species a good deal resembles P. Depurator at first sight ; 
but a very slight examination will evince the characteristic di- 
stinctions. The surface is minutely granulated, the shell is nar- 
rower behind, the eyes smaller, and the antennee shorter. 
When alive the shell was livid, with a slight tinge of blueish, 
the hinder feet of the same colour. Other feet greenish-livid in- 
clining to blueish. Fingers obscure with vvhite tips. 
Spec. 8. Portunus pusillus. 
P. teslA subrugos^, fronte p rod uct4 triloba, lateribus 5-dentatis: 
dente postico acutiore. 
Habitat in mari Danmoniie Australis ] et apud Frith of Forth in 
Caledonia. 
The fingers of this species, which does not exceed an inch in. 
length, are generally annulated with red and white. The back 
also has often a red streak or spot. 
Gen. 8. Lupa. 
Portunus. Fabr., «^c. 
Oculi pedunculis multo crassiores ; orbita supra externe fissuris 
duabus, inferrie externe fissuiA unicd. Pedum par anticum 
aequale, brachiis antice spinosis ; par posticum valde compres- 
sum. Abdomen maris articulo quarto valde elongate prrece- 
dente 
