STALK-EYED CRUSTACEA 71 



base ; the other, posterior, much shorter. The basal 

 joint of external antenna; has in front three small 

 points, and outside an obtuse crest. 

 Range. — Barbados, Havana. 



f'^. Spine at mitero-extcrnal angle of basal antennal 

 joint very lojtg, visible on a dorsal vieiv : — 



Microphrys 

 Perieera (part) 

 Milnea . . . 

 Perinea 

 Fishcria . . 



6. Microphrys. 



A. Milne Edwards, Miers. 



H. Milne Edwards. 



Stimpson. 



Dana. 



Lockinei'ton. 



The carapace is broadly subpyriform, and somewhat 

 depressed, with the dorsal surface uneven and tuber- 

 culated, with a small epibranchial spine. Pra^ocular 

 spine sometimes not developed. Rostrum bifid ; horns 

 slender and more or less divergent. Eyes small. Orbits 

 with closed fissures. Basal joint of external antennae 

 armed with a long spine at the antero - external angle, 

 which is visible in a dorsal view ; the movable joints 

 and the flagellum are not concealed by the rostrum. 

 The fourth joint of the external maxillipedes is distally 

 truncated, with the antero - external angle somewhat 

 produced and rounded. 



The first pair of legs is moderately developed, with 

 the palm compressed and more or less enlarged ; fingers 

 with a wide intermarginal hiatus when closed. The 

 walking legs are short, with the fourth and fifth joint 

 sometimes armed with spines ; the last joint is slightly 

 curved. 



The abdomen of the male is seven-jointed. 



