67 
Plate V. 
Fig. 1.- Calicotyle Kroyeri (Diesmg). Length 5 mm. Ventral view. From 
Cloaca of Ruia radiata. 
„ 2.-Octobothrium merlangi (Kuhn). Length 11 mm. Ventral view 
From gills of Gadus merlaugus. 
„ 'i.-Pterocotyle palmata (V. Ben. and Hesse). Length 11 mm Ventral 
view. From gills of Molva vulgaris. 
„ 4.-Plectanocotyle caudala, n.sp. Length 6-4 mm. Ventral view 
FKHD gills of Trigla gurnardus. 
m 5 -~ Eggs of P. caudata. 
„ G. — One of the six chitinous suckers of P. caudata. 
h 7.— Penis of G. caudata. 
,, 8.— Sucker on peduncle of P. caudata. 
„ V.-Onchocotyle appendiculata (Kuhn). Length 8 mm. Ventral view 
I mm gills of Acanthias vulgaris. 
,, 10. — Chitinous sucker of 0. appcndiculata. 
,, 11.— Spine from posterior process of O. appendiculata. 
,, 12. - Side view of 0. appendiculata. 
