CYCLOPOIDEA. 2217 



Pacific, latitude 18° south, longitude 124° 30' west, August 6, 1839 

 5 a.m. ; 9 



Length, one-fifteenth of an inch. Colourless, transparent. 



The cephalothorax in the single specimen seen was a little broader 

 m front than posteriorly. The cylindrical part of the abdomen is 

 much less than half the preceding elliptical part, and is half as large 

 in diameter. The long seta of the stylets a little exceeds the stylet 

 in length. The slender finger of the anterior legs is about as long as 

 the preceding joint. Some of the setae of the anterior antennse are as 

 long as these organs. In a side view, the abdomen has both the upper 

 and under sides alike and very slightly convex, the breadth diminish- 

 ing rather abruptly where the cylindrical part begins. 



CoRY(LEUS AGILIS. 



GepJialothorax crassiusculus, segmento quarto subrectangulato. Conspi- 

 cilia remotiuscula. Antennce anticce breviter setidosw. Antennarum 

 posticarum articulus 2dus digito paulo brevior, setd longd, nudd. 

 Abdomen 2-articulatum, crassum, segmento secundo tenuiter subcylin- 

 drico, paido breviore quam primum. Styli caudales tenuissimi, 

 dimidio abdominis longiores, setd paido breviore. 



Cephalothorax rather stout, fourth segment rectangular on either side. 

 Conspicilla rather remote, large. Anterior antennae quite small, 

 setae short. Finger of the posterior antenna? a little longer than 

 the second joint, seta of second joint long, naked. Abdomen two- 

 jointed, first segment oval, with a short cylindrical apex, second a 

 little shorter than the first, and less than one-third the breadth, 

 seta a little shorter. 



Plate 85, Hg. 10 a, b y animal, enlarged, different views. 



Pacific, one to two hundred miles south of Tongatabu. 



Length, one-thirtieth of an inch. Colour of venter, reddish; of 

 abdominal legs, bluish ; pigment, red. 



The cylindrical part of the abdomen is quite as long as the pre- 



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