CBTJSTACEA OI' THE MEEGUI AECHIPELAGO. 231 



are not dentate, but only present some parallel, transverse 

 grooves. 



The right chelipede is much smaller and still more hairy. The 

 acute upper margin of the meropodite is clothed with long hairs, 

 and armed at its distal end with three acute spinules. The 

 internal surface appears everywhere smooth and flattened, but 

 the flattened outer surface is covered with some piliferous 

 elevated lines. The under surfaces of the meropodite and ischio- 

 podite are hairy. Tlie internal margin of the upper surface of 

 the wrist is clothed with rather long hairs ; the upper surface 

 itself is covered with piliferous acute tubercles or spinules. The 

 hand is very hairy, and its outer surface is also armed with many 

 piliferous acute tubercles and spinules. 



As the legs of the second and third pair almost closely re- 

 semble one another, I will only describe the right leg of the 

 third pair. All the joints are clothed along their upper margins 

 with long hairs, which are also found along the under mar- 

 gins of the ischiopodite and meropodite. The outer surface of 

 the meropodite is covered with many transverse, piliferous, 

 elevated lines, and its upper margin is armed with a row of 

 sharp spinules. The inner surface of this joint, and that of 

 the carpopodite, appear perfectly smooth. The upper margin 

 of the carpopodite is armed with a row of small spinules, which 

 gradually increase a little in size towards the distal end, and the 

 outer surface is covered with some piliferous elevated lines, 

 arranged longitudinally. 



The outer surface of the propodite, which is about four times 

 as long as broad, and somewhat arcuate, is covered with three 

 or four rows of piliferous tubercles, of which those of the upper 

 row are rather acute ; the upper margin of this joint presents a 

 row of acute piliferous spinules, and some small, depressed, 

 piliferous granules are also found on its inner surface. 



The somewhat arcuate dactylopodite, which is about once 

 and a half as long as the propodite, gradually tapers to its 

 pointed tip. The upper margin of this joint presents some very 

 small spinules along its proximal third ; its outer surface is 

 longitudinally sulcata, but its inner surface presents a longi- 

 tudinal ridge, clothed with hairs, some hairs being also found 

 along its acute upper and under margins. 



I may add that the male and female completely agree with one 

 another. 



