350 STALK-EYED CRUSTACEA 



Family II. Albuneidae. 



Albuncidcu . . . Miers, Henderson, 

 Albunidiu . . . Stimpson. 



First pair of legs terminating in a more or less 

 perfectly subchelate hand. External maxillipedes sub- 

 pediform ; the fourth joint not greatly enlarged, furnished 

 with an external appendage (exognath). Last tail segment 

 not greatly elongated, ovato-lamellate,^ 



Synopsis of the Genera, 



A. Cornea very small. Fourth joint of external 

 maxillipedes but shortly produced at its antero-external 

 angle. — (A/dnnea.) 



B. Cornea not visible, • Fourth joint of external 

 maxillipedes produced at its antero-external angle into 

 a lobe that reaches to or beyond the distal extremity of 

 the penultimate joint, — (^Lepidops.) 



I. Albunea. 



Albiinea . . Fabricius, H. Milne Edwards, Miers, 



Henderson. 

 Albimcea . . Stimpson, 

 Cancer , , . Herbst, 



Carapace subquadrate, the fronto-orbital border ser- 

 rated, with a median notch. Ocular peduncles lamellar, 

 the cornea very small, Antennular peduncle of large 

 size, with a single long ciliated flagellum which exceeds 

 the whole body in length. Antennse with a well- 

 developed peduncle of five joints, the second with a 

 movable acicle ; the flagellum short and stout. External 

 maxillipedes moderately slender ; the fourth joint oblong, 

 not much longer than the third, with its antero-external 



