9 o 



Length of first leg. . 



„ „ merus . . 



, „ carpus . . 



„ „ chela . . 



„ „ dactylus 



Length of second leg. 



„ „ merus . . 



„ „ carpus . . 



„ chela . . 



„ „ dactylus 



Length of third leg . 



, „ merus . . 



„ carpus . . 



„ „ propodus . 



v „ dactylus 



Length of fourth leg . 



„ „ merus . . 



„ carpus . . 



„ „ propodus . 



„ „ dactylus . 



Length of fifth leg 



„ . merus . 



carpus . 



propodus 



dactylus 



7 

 22,5 



5,5 



8,75 



2,6 



12,5 



66 



20,5 

 24 



2,3 



4 

 65 

 21,5 



25 

 2,25 



3,25 

 64 



22 



27 

 2 



0,4 



N° 1 — 4 and 6, ova-bearing females from Stat. 262; N° 5 female without eggs from 

 Stat. 262; N° 7 young female from Stat. 314. 



General distribution: Nematocarcimis undulatipes Bate is known from off Sibago, 

 Philippine Islands and from off south of the latter, from north of the Kermadec Islands and 

 from off Banda (Spence Bate); the same species has been observed in the Arabian Sea, the 

 Gulf of Manar and the Bay of Bengal (Alcock) and, when Xemat. paitcidentatus Bate is 

 identical, also off Kandavu, Fiji Islands. 



4. Nematocarcinus gracilis Bate. PI. VIII and IX, Fig. 21 — 21//. 



Nematocarcimis gracilis C. Spence Bate, Report Challenger Macrura, 1888, p. 815, PI. CXXXII, 



Fig. 8. 

 Nematocarcinus gracilis A. Alcock, Descr. Cat. Indian Deep-Sea Crust. Decap. Macr. Anom., 



Calcutta, 1901, p. 90. 

 Nematocarcimis gracilis M. J. Rathbun, The Brachyura and Macrura of the Hawaiian Islands, 



Wash. 1906, p. 927. 



Stat. 262. Dec. 18. 5°53'.8S., I32°48'.8E. 560 m. Bottom solid bluish grey mud, upper layer 

 more liquid and brown mud. 2 males and 4 females, 3 of which egg-bearing. 



Stat. 300. January 30, 1900. io°48'.6S., I23°23'. 1 E. 918 m. Bottom fine grey mud. One adult 

 female without e^gs. 



This species, though closely resembling Ncmat. undulatipes Bate, may easily be distinguished 



