CYCLOPOIDEA. ^245 



D. The last segment is fully as broad as the preceding, but shorter and 

 sublimate. Inner apex of caudal lamellae slightly prominent. Pig- 

 ment of eyes deep blue. 



Sapphipjna ovata. 



Digitus antennarum posticarum fermh longitudine articuli Mi, articulis 

 duobus digiti subcequis. Lamellce caudales graciles, lanceolatce, parce 

 divaricatce; setis 4-5, una interna, una aut duabus apicalibus, et aliis 



duobus externis, totis dimidio lamellce valde brevioribus. Feminae : 



Corpus valde depressum. Cephaloiliorax ovatus, segmento antico paulo 

 oblongo, segmentis duobus posticis latere rotundatis, ultimo breviore. 

 Conspicilla fronts imita. Abdomen elongato-ellipticum, b-articidatum 

 segmento primo non angustiore. 



Finger of posterior antennae not shorter than the second joint, the two 

 joints of the finger nearly equal. Caudal lamellae slender lanceo- 

 late, nearly as long as the abdomen, sparingly divaricate, setae four 

 to five, less than half as long as lamellae, one of them internal, one 

 or two apical, two external. Female : — Body nearly flat ; cephalo- 

 thorax ovate, length not twice the breadth, first segment a little 

 oblong, last two segments laterally rounded, last shorter. Con- 

 spicilla of moderate size, on the front. Abdomen long elliptic, five- 

 jointed, the first (second ?) segment longer and not narrower than 

 the second, second, third, and fourth sublunate and acute. 



Plate 87, fig. 8 a, animal, enlarged; b, posterior antenna. 



Balabac Passage, north of Borneo, East Indies, February 8, 1842. 



Length, one-twelfth of an inch. Colour, reddish. 



The first of the four segments of the cephalothorax is longer than 

 broad. It has a faint articulation across, leaving an anterior seg- 

 ment nearly as long as broad. The first (normally first) segment of 

 the abdomen was probably concealed by the last segment of the 

 thorax. The segments are but slightly prominent on either side. 

 Setse of the anterior antennae not longer than half the antenna. 



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