212 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



PLATE 19. 



SCALES 



0.05 mm 



FIGS. 3,4,7,9,11,18 



FIGS. 5,10,15-17,23 



FIG. 6 



FIGS. 12-14,21.22 



FIG. 20 



FIGS. 1,2,8,19,24,25 



19. 



Plate 19. — (1) Scolecithricella sp., male, dorsal view; (2) lateral view; (3) rostrum; (4) first maxilla; 

 (5) fifth pair of feet; (6) Scaphocalanns echinatus, female, posterior part of thorax and genital segment; (7) fifth 

 foot; (8) S. longifurca, female, posterior part of thorax and abdomen, lateral view; (9) fifth pair of feet; (10) male, 

 fifth pair of feet; (11) left fifth foot; (12) Scottocalanus securifrons. female, forehead, lateral view; (13) abdomen, 

 dorsal view; (14) posterior part of thorax and abdomen, lateral view; (15) fifth pair of feet; (16) S. farrani, male, 

 forehead, lateral view; (17) posterior part of thorax and genital segment, lateral view; (18) rostrum; (19) second 

 foot; (20) fifth pair of feet; (21) S. sedatus, female, lateral view; (22) abdomen, dorsal view; (23) rostrum; 

 (24) second foot; (25) fifth pair of feet. 



