STALK-EYED CRUSTACEA 151 



hairs in front and a prominent granular ridge terminating 

 in a tootli-like projection behind. The fifth is rounded, 

 smooth, and armed on the inside with a pointed tooth. 

 The hand is smooth, rounded above, and terminates in 

 very long fingers provided with moderately strong 

 teeth. The walking legs are long, slightly hairy, with 

 their terminal joint thin. The abdomen of the male is 

 narrow, with the edges of the fifth and sixth segment 

 parallel. The last sternal joint is slightly exposed in 

 the notch existing between the second and the third 

 abdominal segment on account of the narrow second 

 segment. 



The colour is purple-brown, with grey-blue upon the 

 legs. The fingers of the pincers are white in almost their 

 whole extent. 



Range. — West Indies, Florida, Brazil, Bermuda; in 

 the mangrove swamps. 



15. Ozius. 



Ozms ... A. Milne Edwards, Dana, H. Milne 

 Edwards. 



The carapace is smooth, a little curved and more or 

 less wide, with the antero-lateral edges slightly toothed. 

 The orbits are small, and have not a large external hiatus. 

 The front is formcci of four teeth. The basal antennal 

 joint is united with the front. The buccal cavity is 

 notched on each side to give passage to the water 

 from the branchial chamber. The pincers terminate in 

 sharp fingers. The walking legs are short and have no 

 ridges. 



The abdomen has seven joints. 



Range.— Atlantic and Pacific Oceans. 



