1142 CRUSTACEA. 



men ; there were small points behind. The caudal setae were mutilated. 

 The setae of the antennae towards the base were about as long as three 

 diameters of the joints; of the apical and subapical, the anterior 

 antepenult is the shortest, being half as long as the joint. 



PONTELLINA CRISPATA. 



Feminae : — Frons subtriangulatus, dbtusus. Cephalothorax 7-artieulatus, 

 segmento postico brecissimo, obtuso aut subacute. Oculi snperiores 

 remotiusculi, inferiores mediocres. Antennae anticos vix corporis longi- 

 tudine, lath divaricate, apicibus fronte valde anterioribus et prorsum 

 curvatis; setis brevibus, prope basin confertis et paacis uncinatis, apica- 

 libus et posticd antepenultimd articulo parce longioribus, posticd penul- 

 timd paulo longiore. Styli caudales parce oblongi, setis 5, subaiquw. 

 [Abdomen i-articidatum.'] 



Female: — Front subtriangular, obtuse. Cephalothorax rather slender, 

 seven-jointed, last segment very short, obtuse behind or short sub- 

 acute. Superior eyes a little separate; inferior of moderate size. 

 Anterior antennae a little shorter than the body, widely divaricate, 

 extremities anterior to line of front, and tips curving forward ; setae 

 short, towards base crowded and several uncinate, apical hardly 

 longer than the joint, the posterior penult a little longer, the poste- 

 rior antepenult shorter than penult, the anterior penult scarcely as 

 long as joint, anterior antepenult much shorter. Caudal stylets 

 slightly longer than broad, five subequal setae. [Abdomen four- 

 jointed, segments a little unequal, the first largest.] 



Plate 80, fig. 6 a, animal, enlarged; b, extremity of antenna. 



Collected, near the Kingsmill Islands, in the Pacific, March 22 

 and 26, 1841, latitude 5°-7° north, longitude 174J°-177*° east; also, 

 in the Atlantic, October 15, 1838, latitude 8i° north, longitude 23° 

 45' west. 



Length, one-twelfth to one-sixteenth of an inch. Colourless or 

 bluish. The anterior antennae about as long as the cephalothorax 

 and half the abdomen; the second joint is oblong, and several following 



