39 
Genus — Lepodora (Odhner). 
Lrpodom vacUaa (Cobb.) (Plate II., fi, s . 2-4.) Odhner, 
I'auna Arctic*, page 832. 
This worm is common in the Haddocks of this coast, and occurs 
m about 7o per cent, of these. There are sometimes as many as 
s,x specimens ,n one fish, but usually only one or two. It inhabits 
the mtesine. Nieol « records it from rather more than 50 per 
ent. of the Haddocks at St. Andrews. The first description of 
'IT" Tn, \ C ° b , bold + f ™» specimens from the 
Haddock. Although this so far is the only British host yet 
d.s overed Odhner mentions as additional hosts G, jmm a n L 
fmtralu, Oadm morrhua, and Merluccim ntlfuu 
The worm is pale yellow, rather solid and opaque, and covered 
a lover the body with spines. It measures 2-4 mm. i„ 
the breadth being about one-fourth to one-fifth of the kngtb The 
.ml sucker is large ,i„ a specimen 8-5 mm. long); it measures 
mddZrtheTd The r" si,c,i " r Um f ™" » f 
middle of the body, and measures 0-20 mm. across. The month 
tong and about the same across; and there is a very short 
esophagus shorter than the pharynx, leading to two thick intes tin , 
o cs reachmg to the end of the body. The excretory 2 eh 
Mhort narrow sac reaching hardly to the hind testis. The test 
:t ; tr v T m tl,e middle of °" body - ^ *-! 
one anoth,,. They measure 0-2fi ,,,m. across; from each a thi» 
vas deferens runs to the vesieula seminahs. Tl e lattert div d 
into two parts, the posterior of which lies outside the ci rrt a 
and is surrounded by a globular mass of cells of a Z ,. lar 
fracture, with a thin membrane snrroundin- it ThL 
J- Wund and to the right o, the ventral tcke ' F L^I 
's the fairly long cirrus sac which endows th. o, i r? 8 
fe forem st°S s la t t ™> ^ M - ^Ih" 
" ™*« "tellurian duct and she., g^^ 
* QP' cit., paoe :r . 
