found on the South Coast of Devonshire. 69 



jects, which not only may appear different to another person in a 

 different point of view ; but also require more than ordinary care 

 in the delineation ; and after all, an engraver too frequently de- 

 stroys the little character such delineation may possess. 



In the great variety we have examined, not even the rudiment 

 of a tail ever appeared, and the only variation seemed to be in 

 the hands, Avhich in some were much broader, and, as well as the 

 back, were destitute of spines. 



Being inclined to consider, with Gmelin, that the C. Atomos and 

 linearis may be the same ; and as we have little doubt but such will 

 be considered as no other than our C. Phasma, a name which had 

 been given to this species previous to an investigation of the sub- 

 ject so closely; it has been thought proper to retain it, that those 

 who fall into the same opinion may bring the two Linnaean in- 

 sects together under a new name, in order to prevent further 

 confusion, which might be the case were they joined under either 

 of the original names. 



Cancer palmatus. 

 Tab. VI. Fig. 4. 

 With a smooth, somewhat compressed body, with thirteen 

 joints: colour, when dead, pale yellowish brown: antennae four, 

 superior pair longest, half the length of the body; each pair 

 composed of three large joints, with several small articulations at 

 the end : eyes large, fixed: arms two; hands remarkably large, 

 flat, triangular, furnished at the upper angle with a moveable fang, 

 capable only of closing upon the middle, or palm, which is 

 formed a little concave ; the back of the hand convex ; joint of the 

 wrist deeply cut, or indented, on the lower side : legs six ; thighs 

 broad, flat : caudal fins two pairs, subulate, with two joints each ; 

 the extreme joint of the tail is furnished with two small appen- 

 dages; 



