155 
The fifth pairs of feet of the two sexes are very similar to those of Candacia dispinosa, 
but the females can easily be separated by the quite symmetrical genital segment. The segment 
has no spiniform projection on the sides. 
Candacia simplex has been recorded from the Pacific and Indian Oceans, and from the 
Mediterranean. | 
9. Candacia tenuimana (Giesbrecht). 
Candace tenuzmana Giesbrecht, 1880, p. 814. 
Candace tenutmana Giesbrecht, 1893, p. 424, pls. 21 & 22. 
Candacia tenutmana Giesbrecht & Schmeil, 1898, p. 128. 
Candacia tenuimana Cleve, 1904, p. 187. 
Two females belonging to this species were found in the plankton collected with the 
HENSEN vertical net at Station 141, 1500 metres to the surface. 
Candacia tenutmana is closely related to Candacza longimana, but the female can readily 
be separated by the long spiniform termination of the apical joint of the fifth pair of feet. 
This species is known from the Pacific Ocean and from the Mediterranean. 
10. Candacia truncata (Dana). 
Candace truncata Dana, 1849, p. 24. 
Candace truncata Brady, 1883 (pars), p. 69, pl. XXIX, fig. 
Candace truncata Giesbrecht, 1893, p. 425, pls. 21, 22 & 309. 
Candacta truncata Giesbrecht & Schmeil, 1898, p. 130. 
Candacia truncata I. C. Thompson, 1900, p. 282. 
Candacia truncata A. Scott, 1902, p. 406. 
Candacia truncata Thompson & Scott, 1903, p. 250. 
Candacia truncata Cleve, 1903, p. 358. 
Candacia truncata Cleve, 1904, p. 187. 
Candace truncata Wolfenden, 1905 (a), p. 1013. 
This species appeared to be well distributed throughout the area investigated by the 
‘Siboga’ as shewn by the following records. Eighty-eight specimens were obtained. 
Stat. 35. — Stat. 37. — Stat. 66. — Stat. 96 (night). — Stat.98. — Stat. 99. — Stat. ior. — 
Stat. 106. — Stat. 109. — Stat. 110. — Stat. 112. — Stat. 117%. — Stat. 118 (HENSEN 
vertical net, 900 metres to surface). — Stat. 121. — Stat. 125 (night), — Stat. 128 
(HENSEN vertical net, 700 metres to surface). — Stat. 133. — Stat. 136. — Stat. 141 
(HENSEN vertical net, 1500 metres to surface). — Stat. 142. — Stat. 143 (HENSEN vertical 
net, 1000 metres to surface). — Stat. 144. — Stat. 157. — Stat. 169. — Stat. 172. — 
Stat. 177°. — Stat. 184. — Stat. 186. — Stat. 189°. — Stat. 203 (surface). — Stat. 203 
(HENSEN vertical net, 1500 metres to surface). — Stat. 204. — Stat. 217 (horizontal 
cylinder). — Stat. 220 (HENSEN vertical net, 200 metres to surface). — Stat. 229. — 
Stat. 252. — Stat. 276 (HENSEN vertical net, 750 metres to surface). — Stat. 282. — 
Stat. 3045 —— Stat. 315: 
The females can readily be separated from any of the other members of the genus, 
by the truncate distal ends of the last thoracic segment, and by the small tooth at the posterior 
extremity of the ventral margin of this segment. 
155) 
