8: 
: base of external part of a Sarcotretes carrying a young Ichthyo- 
Es 
Gt 
(SN 
=J 
00 
co 
p= 
(==; 
. 
- 
12; 
183: 
i: 
== 
rr 
es, 
gr 
ps 
(er) 
pi 
7 
pm 
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DO BY 
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SR 
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31 
one of the largest medusa-buds. Zeiss Comp. Oc. 4, Apochr. 8. 
codium, consisting of a single polype, still without mouth-opening 
("Thor”'s station 124). 
: the same part of another Sarcotretes Mu a young Hydroid- 
colony of polypes of different sizes ("Thor””'s st. 93). 
: posterior portion with the stalk and part of me internal portion 
of a Sarcotretes showing a Hydroid-colony with several polypes 
(only one carrying a tiny medusa-bud, me) and its ramified tubes 
of the basal membrane ("Thor”'s st. 89). Zeiss Oc. 1, Obj. af 10. 
: adult DER irebrnges with egg-strings ("Thor”'s st. 76). Zeiss 
Oc. 1, Obj. 
: anterior dk É th same, gr dorsal side, but somewhat obliquely 
hr. 16. 
("Thor”'s st. 76). Z. Comp. Oc. 4, Apoc 
: posterior end of the same, gprkrnee aspect. ” chitinized spot, pro- 
bably where the copulatory openings have been. 
: anterior part of an adult Sarcotretes 9, rager aspect (,, Thors 
8 and 
st. 89). Eiarremalt as in Figs. 
Plate Il. 
See -stage (Å) of Sarcotretes ske from left side ("Thor”'s 
t. 80). Z. Comp. Oc. 4, Apochr. 
ip same, dorsal view. 
second pupal stage (0), from right side. ("Thor”'s st. 177). 
Z. C Oc. 4, Apochr. 16. 
og 
: third pupal stage (D), male specimen ("Thor”'s st. 80). Magnif. 
as Fig, 
: fonrth Sevål stage (E) ("Thor”'s st. 76). Inside the sipho is seen 
part of the mouth-funnel of the enclosed copulatory stage. 
: young female, ca. 4 mm. long; ag inserted we the body wall 
of the fish ("Thor”'s st, 76). Z. Oc. 1, Obj. a" 
: anterior part of ig same specimen, from fler side. Z. Comp. 
Oc. 4, Apochr. 1 
: posterior end of A body of the same, lateral view. Enlarg. as 
the precedin 
: young female, soll ke older than tbe preceding, from right side 
Thor” ”s st. 76). Oc, 4 Oby. 3? 10 
: anterior part of the same. de Comp. Oc. 4, Apochr. 16. 
: same part, ventral aspec 
: posterior part of first pupal stage (B), from below (stat. 80). Z. 
8. 
Comp. Oc. 4, Apochr. 
: first pair of abdominal (thoracic) feet of third æde” stage (D) ; 
same specimen as Fig 14, Z. Comp. Oc. 4, Apochr. 
£ Jømtar. part of fourth Meng stage (E), ventral skål (st. 76), 
same specimen as fig. 15. Inside the left foot of the first pair 
(P,) are in the ye: of the same foot of the ln 
copulatory stage. Z. Comp. Oc. 4, Apochr. 8. 
