STALK-EYED CRUSTACEA 135 



angle, with a wide and sharp marginal groove. Colour 

 is red, fingers brown. 

 Guadaloupe. 



4. Panopeus serratus. 



Carapace flat, with transverse folds upon anterior part. 

 Front not much advanced, scarcely bilobed. Internal 

 orbital angles prominent. Antero-lateral teeth sharp. 

 Fifth joint rough, with one tooth at internal angle. 

 Hands large, finely rugose towards their upper part ; their 

 superior border has two blunt, very faint crests. Colour 

 is yellow or brown. 



Guadaloupe. 



5. Panopeus americanus. 



Carapace flat. Antero - lateral teeth not very 

 prominent and blunt. The front is slightly more 

 advanced in centre. Orbital border almost entire ; 

 inferior border not toothed but slightly sinuous, having 

 at its internal extremity a slightly marked notch. 

 Fourth joint and hands almost smooth; fifth joint 

 without groove or depression ; its internal angle slightly 

 sharp. The colour is yellow or red. 



Guadaloupe. 



2. Panopeus xanthiformis. 



Panopeus xantJiifoniiis . . A. Milne Edwards, 



The carapace is depressed, slightly wide and granulose 

 towards the antero-lateral edges. The front is formed 

 of two lobes separated in the median line by a narrow 

 fissure. The orbits are large, and their inferior border is 



