66 
Fig. 4.— Cerciria, perhaps larval of L. racMeea. Length 0-19 mm. From 
Cardium edule encysted in sporocysts. 
5.—Lepodora elongata, n.sp. Length 3-5 mm. Adult, ventral view. 
From intestine of Gadus morrhua. 
,, 6.— Ovary and connected female organs of L. elongata. Dorsal view. 
,, 7. -Pharyngora retractilis, n.g., n.sp. Length 4 mm. Adult, ventral 
view. From intestine of Gadus merlangus. 
8.— Stephmochasmus pristis (Deslongch.) Length 7 mm. Adult, ventral 
view. From pylorie cseca of Gadus morrhua. 
,, 9.Stephanochasmus rhomb ispinosus, n. sp. Length 5-1 mm. Adult, 
ventral view. From pyloric cseca of Gadus merlangus. 
,, 10. — Head of 8. rhomb ispinosus. 
Plate III. 
ig. l.—Stephanochasmus caducu*, Looss. Length 4-4 mm. Adult, ventral 
view. From intestine of Gadus merlangus. 
>. 2. — Head of S. caducus. 
,, S.—Stephanochasmus triglce, n. sp. Length 4-3 mm. Adult, ventral 
view. From pyloric cceca of Trigla gurnardus. 
,, 4.— Ovary and connected female organs of S. trigla. 
,, 5.- Otodistomum veliporum (Creplin). Length 29 mm. Adult, ventral 
view. From stomach of Raia radiata. 
6.— Cercaria from stomach of Anarrhichas lupus. Length 0-3 mm. 
>> 7. — The same, later stage 0-6 mm. long. 
., 8.— The same, adult, ventral view, 0-8 mm. long. From intestine near 
stomach of A. lupus. 
Plate IV. 
Fig. l.-Zoogonoides viviparus. Length 1-1 mm. Adult, ventral view. 
From intestine of Pleuronectes limanda. 
,, 2. — Miracidium of Z. viviparus. 
,, 3.— Lecithaster gibbosus (Rud.) Length 1-2 mm. Adult, ventral view. 
From intestine of Gadus merlangus. 
„ 4.-Derogenes various (0. F. Mull.) Length 4-5 mm. Adult, ventral view. 
trom mouth of Hippoglossus limandoides. 
,, 5.—Hcmiurus communis (Odh.) Length 4 mm. Adult, ventral view. 
From stomach of Gadus merlangus. 
„ 6.— Vesicula seminalis and terminal portion of genital apparatus of 
H. communis. 
,, 7.— Female genital organs of H. communis. 
