ii. Tlie clielipeds of tlie male are more tlian twice the 

 length of the body 



If. micro})! var. 

 Ituiochelft. 



2. Eyes very large, tlieir major diameter being about one-fourth 

 the length of the carapace proper. The chelipeds of the male 

 may be nearly as long as the body (though occasionally they 

 are half again as long as the body) ... ... ... M. andawaitica. 



III. The 2nd abdominal terguin has a row of spines on its anterior border, 



and the 3rd tergum also may have a pair of spines on this border. 

 Posterior border of carapace smooth. Male with a pair of appendages 

 on the 1st abdominal somite. Eyes very large. Chelipeds in botli 

 sexes much longer tliau the body ... ... ... ... M. vigilia.fi 1 HI. 



IV. The 2nd 3rd and 4tli abdominal terga are armed with spines, as is the 



posterior border of the carapace. The eyes are very large. The 1st 

 abdominal somite of the male is destitute of wppendagcs : 



1. The 2nd and 3rd abdominal terga have each a single row of 



spines. The inner angle of the basal joint of the antennal 



peduncle is spiniform but not greatly produced ... ... M. squamosa. 



2. The 2nd and 3rd abdominal terga are armed each with two rows 



of spines. The inner angle of the basal joint of the antennal 

 peduncle is produced into a stout curved spine half as long as 

 the carapace ... ... ... ... ... M. tricarinata. 



14. Munidd COmorlna, Alcock and Anderson. 



tlunida comorina, Alcock and Anderson, Ann. JIag. Nat. Hist., Jan. 1899, p. 18. 



iLLCgTRATlONS OF THE ZOOLOGY OF THE INVESTIGATOR, CRUSTACEA, PLATE XLIII. FlG. 3. 



Seems hardly to differ from the Caribbean Munida cariboea, A. M.-Edw. 

 (which Faxon says is the same as M. irasa, A. M.-Edw.), having, like it, a long 

 denticulated rostrum, no cardiac spine, and a smooth abdomen. 



Dorsal surface of carapace transversely striated and bearing eight spinules, 

 namely a pair behind each supraocular spine, one on either side behind and 

 external to the first pair, and one on either side just beyond the bifurcation of 

 the cervical groove ; but all these spines need careful looking for with a lens. 



Rostrum well over half the length of the rest of the carapace and about 

 three times as long as supraocular spines (and, like them, acicular), finely and 

 obscurely denticulated in its distal half. 



Abdomen perfectly smooth. 



The two spines on the dilated portion of the antennular peduncle are long 

 and slender. Eye-stalks barrel-shaped, eyes not reniform. 



Chelipeds slender, twice the length of the fully extended body and rostrum, 

 and twice the length of the longest legs ; distant spines along the inner aspects 

 of the arm and wrist, and distant spinules along the inner border of the hand ; 



