STALK-EYED CRUSTACEA 239 



1. Geocarcinus lateralis. 



Gcocarcinus lateralis . . Freminville, H. Milne Ed- 

 wards, Guerin. 



Internal edge of fourth joint of external maxilli- 

 pedes without notch or fissure. No teeth upon the fifth 

 joint of the first pair of legs ; the terminal joint of the 

 walking legs has four rows of spines. Abdomen seven- 

 jointed in both sexes. In male — first and second joints 

 broadest, triangular. In female — broadest at junction of 

 fourth with fifth joint, oval. The carapace has a dense 

 black-violet patch with a lobe on its posterior margin on 

 the centre of the carapace, leaving a narrow margin of red 

 at circumference. The first four joints of the first pair of 

 legs are violet-red ; the hands red ; the walking legs and 

 the under surface are yellow washed with red. 



Range. — West Indian Islands. Common in Barbados, 

 where it makes holes in the dry banks some distance from 

 the sea. Key Biscayne, Tortugas. 



2. Geocarcinus ruricola. 



Geocarcinus ruricola . . H. Milne Edwards, Latre- 



ille, Lamarck, Desmarest. 



Cancer terrestris .... Seba, Sloane. 



Crabe violet Labat. 



Black or Mountain crab . Brown 



Mango crab (local name) . Barbados. 



Cancer ruricola .... Linne Fabricius, Herbst. 



Ocypoda ruricola .... Latreille, Bosc. 



Carapace very wide. Internal border of fourth joint 

 of the external maxillipedes without fissure or notch. 

 There are some teeth on the internal border of fifth joint 



