294 MR. G. p. FARRAN ON COPEPODA 



CORYC^EUS ANDREWSI, Sp. 11, (PI. XIII. figS. 7-9, PI. XIY. 



figs. 1-4.) 



Female (PI. XIV. fig. 1). — Length -95 mm. ; ceplialothorax in 

 middle line "64 mm., to end of thoracic spines -Tmm. ; abdomen 

 •31 mm. (PI. XIY. fig. 4). Proportional lengths of abdominal 

 segments and furca 19 : 12 : 10. F'urcal rami about five times as 

 long as wide. The genital segment is about | as wide as long 

 and 4 as deep, in lateral view, as long ; the antero-ventral angle 

 is very marked in lateral view, being almost a right angle, 

 rounded off at the apex and furnished with a small patch of 

 minute spinules. The points of the 2nd . thoracic segment are 

 short and notched on the inner margin. The points of the 4th 

 thoracic segment are very short, but sharp at the extreme tip. 



The eyes are of medium size and are separated by rather less 

 than their own diameter. 



1st antenna, proportional lengths of joints ^ 3 ^ ^ 3 2 - 

 2nd antenna (PL XIIL. fig. 9) : 1st basal with long spine ; 2nd 

 basal with spine about | as long as that on the first, and two 

 rather slender teeth on its distal edge. The terminal spine of the 

 2nd antenna is about half as long as that on the 2nd basal. 



The pi-oportional lengths of the joints of the swimming-feet are 

 best seen in the figures. 



The outer edge spines of the exopodites of the 1st and 2nd feet 

 (PI. XIII. fig. 8, PI. XIY. fig. 3) have well-developed laminaj, but 

 on the 3rd foot they are very slightly lamina,te. The terminal 

 spine on the exopodite of the 2nd foot is slightly curved, on the 

 1st and 3rd feet it is straight. In the 4th foot (PI. XIII. fig. 7) 

 the outer edge si3ine of the 1st joint of the exopodite is short and 

 slender. The endopodite of the 4th foot bears two moderately 

 large setse. 



Five specimens, females, were foiuid in two gatherings. 

 Comparing G. anch-ewsi with the other species in which there 

 are two setse on the endopodite of the 4th foot, we find that it is 

 separated from C laiUus, C. luhhocki, C. tenuis, G. erythrcetis, 

 G. venustus, G. anglictts, and G. africanus by its short furca, 

 which is less than ^ of the length of the rest of the abdomen. 

 In G. amazonicus the anal segment is said to be longer below 

 than the genital, a fact which at once distinguishes tha,t species. 

 In G. asiaticits and G. 'minimus, according to Dahl's table, the 

 furca agrees in being about half as long as the genital segment, 

 but the genital segment is snid to be respectively two and three 

 times as long as the anal, while in G. andreivsi it is only 1| times 

 as long. 



CORYC^US MURRAYI, Sp. n. (PI. XIII. figS. 1-6.) 



Female (Ph XIII. figs. 1, 2). — Length 1*2 mm,,: eephalothorax 

 in middle line '75 mm. ; abdomen and furca '43 mm. The pro- 

 portional lengths of the abdominal segments and furca in "01 mm. 

 are 18 : 13 : 12. The wings of the 3rd thoracic segment 



