COPEPODS FROM EQUATORIAL WATERS OF PACIFIC OCEAN 



219 



PLATE 23. 



SCALES 



FIGS. 11,12 



< FIGS. 2,4,7,15,16 



FIGS. 1,3,6,9,10,14,17,18 

 FIGS. 5,8,13 



Plate 23. — (1) Centropages gracilis, female, fifth foot; (2) male, dorsal view; (3) fifth pair of feet; (4) C. 

 elongatus, female, dorsal view; (5) posterior part of thorax and abdomen, lateral view; (6) fifth foot; (7) male, 

 dorsal \'iew; (8) posterior part of thorax and abdomen, dorsal view; (9) segments 17 to 21 of right first antenna; 

 (10) fifth pair of feet; (11) terminal part of exopod of left fifth foot; (12) terminal part of exopod of left fifth 

 foot, other side; (13) C. calaninus, female, posterior part of thorax and abdomen, lateral view; (14) fifth pair of 

 feet; (15) male, dorsal view; (16) lateral view; (17) fifth pair of feet; (18) exopod of left fifth foot. 



