LITT 
3 the cephalon is more distinctly bilobate ihan in stage 2; in 
stage 1 the cephalon is rounded without any trace of a furrow. 
2. The size of the specimens 
ke EON is enlarged (stage 1 3,7 mm. 
14 
mm.), but the relative breadth 
(== 
[ls] 
oo 
long, stage 2 9 mm., stag 
is diminished (stage 1 2: 3,7 mm. 
— 1:1,85; stage 2 4:9 mm. 
sæts Babe stage 3 14: 5,5 mm. 
==: 1.2:2,55), 
3. Each species of Dajidæ 
Q i å ; has, as far as we know, only one 
Fig. 12, Holophryxus (Richardi?). : å : 
The GLA single species as host (excluding 
Dajus Mysidis), and here the 
host probably in all 3 cases was Sergestes arcticus. Stage 1 was 
taken 33? 41' N, 36? 55' W, 0—2500 m., thus in the territory of 
distribution of Sergestes arcticus (see H. J. Hansen, Ingolf 1908, 
"23 
p. 82); stage 2 was taken together with Sergestes, and stage 3 
Was found fixed to Sergestes. 
Fig, 13. Holophryxus Acanthephyræ on Acanthephyra purpurea 
(above) and Holophryxus (Richardi?) on Sergestes arcticus (below). 
