M A I I D E A. gj 



medial line, is somewhat raised longitudinally, and bears minute tuber- 

 cles, which give origin to tufts of set®. The part of the front below 

 the outer antennae is broader than long, and the breadth by the 

 second of the lateral angles is greatest. The female abdomen, ex- 

 cluding the first two joints, is orbicular and ciliate. The outer antennse, 

 as exposed in a front view, have the first of the two moveable basal 

 joints oblong and stout and densely hirsute on either side, the second 

 about half shorter and slender. The flagellum is five or seven jointed. 

 Anterior legs slender ; others stout and somewhat compressed. The 

 hand is slender, tapering somewhat from the base, and the fingers are 

 mostly contiguous, or touch only along outer half. 



Micippa hirtipes, Dana, Silliman's Am. J. Sci., 2d Ser., xi. 268. 



Subfamily CHORININA 

 Genus CHORILIA, Dana. 



Pisa3 Qhovhioque affinis. Garapax angustus, triangulate ovatus, gib- 

 boms, paulo armatus, rostra longo, furcato, comubus gracilihus. Oculi 

 in orbitis retractiles. Antenna externa? sub rostro latentes, articulo 

 prime angusto, apice externo acuto. Orbita infra iMerrupta, supra 

 angmth unifissa, spina prceorbitali acutd. Pedes lmi 2dis breviores, 

 8 postici similes, 2di 3tUs non mtdto longiores. 



This genus differs from Pisa in having the outer antenna? concealed, 

 and from Chorinus, in the second feet not being much longer than the 

 third, and the first shorter than the second. 



Chorilia longipes. 



Garapax nee villosus nee pubescens, latitudine trans-orbitali perangustd. 

 triplo minore quam latitudo carapacis maxima, spind prceorbitali 

 tenui, acutd, margine orbitali superiore angusti unifisso; rostro longo, 

 pubescente, comubus fere rectis, parce divaricatis; regione mediand 4 

 spinis brevibus armatd aliisque paueis brevissimw; regione cardiacd 

 parvd, inermi, 2-4 tuberculis parvidis ornatd; regione postero-laterali 



