SCALES 



FIG. 6 



FIG. 



FIGS. 7-8,17,20 



FIGS. 2,9-10,12-15 



FIG. 16 



FIGS. 3,5,1 1,19,21-22 



FIGS. 4,18 



Plate 12. Figs. 1-5, Augaptilus spinifrons. Female: 

 fig. 1, habitus, dorsal view; fig. 2, forehead, lateral 

 view; fig. 3, mandible; fig. 4, mandibular blade; fig. 5, 

 fifth leg. Figs. 6-16, Arieteltus aculcatus. Male: fig. 

 6, habitus, dorsal view; fig. 7, forehead, lateral view; 

 fig. 8, left antennule; fig. 9, antenna; fig. 10, mandib- 

 ular palp; fig. 11, mandibular blade; fig. 12, maxil- 

 lule; fig. 13, first leg; fig. 14, second leg; fig. 15, 



fourth leg; fig. 16, fifth pair of legs, posterior aspect. 

 Figs. 17-22, Candacia bipinnata. Female: fig. 17, pos- 

 terior part of metasome and urosome, dorsal view; 

 fig. 18, mandibular blade; fig. 19, fifth leg. Male: fig. 

 20, posterior part of metasome and urosome, dorsal 

 view; fig. 21, geniculated region of right antennule; 

 fig. 22, fifth pair of legs, posterior aspect. 



CALANOID COPEPODS FROM NORTH PACIFIC 



565 



