NO. 6 DECAPOD AND OTHER CRUSTACEA — SCHMITT ig 



anterior third of that portion of the ridge traversing the finger is 

 smooth. The under surface of the hand is Smooth ; between the ridges 

 there are scattered granules and small squamiform tubercles and some 

 slight pubescence; above the low, squamiform ridges either side of 

 the palm and on its upper surface are a number of low, squamiform 

 tubercles, more or less concealed by the thicker pubescence here, some 

 are a little more conical than others and raised a little above the pubes- 

 cence. The armature and ornamentation of the hands seems to be 

 about as described for T. alcocki and, in general, not so very unlike 

 the somewhat sketchy drawing of T. gardincri, although in the latter 

 species, in place of the anterior conical tubercle on the outer margin 

 of the upper surface of the palm, a spine as strong as the one behind 

 it or opposed to it on the inner margin is shown. 



The movable finger, measured in a chord from tip to the middorsal 

 point of the anterior border of the palm, exceeds, by about 2/7 of its 

 length, the dorsal length of the palm measured back from the same 

 point. The two chelae are about of the same size and have their fingers 

 more or less of the same length ; the right movable finger is very 

 slightly the shorter. De Man states that the fingers of T. alcocki are 

 shorter than the palm ; in T. gardincri, as drawn, the movable fingers, 

 at least, in the given dorsal view are longer than the upper margin 

 of the palm, while in the figure presenting the outer face of the 

 chela the finger is shorter than the dorsal length of the palm ; as this 

 figure has been especially drawn to show the character of the chela, 

 it undoubtedly portrays the correct relation of finger to palm. 



The carpus of the cheliped has a long, strong spine at the inner 

 angle about twice the length of the palmar spine at the carpal articu- 

 lation. There is a curved crenulate line back of this spine ; upper 

 surface of carpus granulate or low tuberculate ; there are three spines 

 toward the outer side of the carpus, the inner of these is the sharper, 

 the next or middle one the larger, more produced, and subacute, the 

 outer one is blunter, low, and more or less conical, a low ridge runs 

 back from the first and third of these spines ; the ridge behind the 

 first of the three spines is fine-crenulate, the other ridge behind the 

 third spine is apparently finely and almost obscurely denticulate. 



The merus of the cheliped has three spines on the anterior border, 

 the distalmost is the larger and placed at a lower level than the others, 

 the proximal the smallest ; there are several small denticles or tubercu- 

 liform teeth before the proximal spine, one between it and the second 

 spine, and two or three, little larger than granules, bunched between 

 the second and third; the anterodistal angle of the merus forms a 



