Length of first leg. . 



, „ mcrus . . 



, carpus . . 



» chela . . 



„ , dactylus . 



Length of second leg. 



„ „ nierus . . 



„ carpus . . 



• « „ chela . . 



„ „ dactylus 



90 



I 



41,5 

 10,5 

 16,5 



4.75 

 1,6 

 76 



21,5 



31.5 

 4,5 



1.5 



Length of third leg I 114 



, , merus 



, „ carpus 



, , propodus 



, , dactylus 



Length of fourth leg 



, „ merus 



„ „ carpus 



„ , propodus 



„ „ dactylus 



Length of fifth leg 



, , merus 



„ carpus 



„ propodus 



„ „ dactylus 



35.5 

 46 



3 



S 



"5 



36 



49 



2.75 



3.25 



129 



41 



59 

 2,6 



0,75 



7 



22 ^ 



5.5 



8.75 



2,6 



12 



.J 



66 



20,5 



24 



2.3 



4 

 65 

 21,5 



25 

 2,25 



3.25 

 64 

 22 



27 

 2 



0,4 



N" I — 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; A^cniatocarciims undzilatipes 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 Man;ir and the Bay of Bengal (Alcock) and, when Xemat. paiicidentatus Bate is 

 identical, also off Kandavu, Fiji Islands. 



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



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



Fig. 8. 

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



Calcutta, 1 90 1, p. 90. 

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



Wash. 1906, p. 927. 



Stat. 262. Dec. 18. 5°S3'.8S., 132° 48'. 8 E. 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'.i E. 918 m. Bottom fine grey mud. One adult 

 female without eggs. 



This species, though closely resembling Nemat. undtclatipes Bate, may easily be distinguished 



