146 STALK-EYED CRUSTACEA 



B. The arm of the first pah- of legs, visible for about 

 one-third of its length on a dorsal view. — (Z. caribmis?) 



II. Endostome with the longitudinal carinas partially 

 developed. — (Subgenus Xajithodiiis.) 



C. The arm of the first ^pair of legs not visible on a 

 dorsal view. — {L. ainericanus.) 



Subgenus Leptodius. 

 LcptodiiLS .... Miers. 

 The endostome has no trace of longitudinal carinae. 



I. Leptodius (Leptodius) floridanus. 



Leptodiits floridaniis . A. Milne Edwards, Gibbes, 



Miers. 

 CJdorodins limosiis . . Desbonne and Schramm. 

 Etisus occidentalis . . White. 



Chlorodiiis floridamis . Gibbes, Stimpson, S. Smith. 

 Chlorodius exaratus . Dana. 



The carapace is depressed, much wider than long, and 

 lobulated in front ; the lobules are flat, marked with 

 small transverse lines, slightly granular or punctuated, 

 and separated by deep grooves. The front is formed of 

 two lobes, with an emarginate border. The antero- 

 lateral borders are armed with five triangular teeth of 

 which the points are directed forwards — the first forms 

 the external orbital angle. 



The first pair of legs of unequal size. The fourth 

 joint does not exceed the carapace. The fifth and the 

 hand are slightly rough. The fingers of the pincers have 

 a tuft of hair near the excavation ; they only meet at their 



