58 
TABLE OF LIFE HISTORIES OF THE DIGENETIC TREMATODES 
IN THIS PAPER AS FAR AS IS AT PRESENT KNOWN. 
(When authorities are not given the observations are the author's own, or have been 
confirmed by her.) 
Xltullc OI J.rcIUaLOQe. 
xirst Host. 
Intermediate Host. 
Final Host. 
G aster ostomum 
gracilescens 
Cardium edule 
(Bucephalus larva 
Haddock and othei 
Gadidte 
• Angler. 
Prosorhynchus 
squamatus 
Modiolaria discors '. 
(Levinsen) 
' Unknown 
Bull-head, etc. 
P. grandis 
Unknown 
Do 
Cod, etc. 
Steringophorus 
furciger 
Do 
Do 
Dab, etc. 
S. Ovacutus 
Do 
Do. 
Long Bough Dab. 
Podocotyle atomon 
Do 
Themisto Hbellula ? 
(Levinsen) 
Bull-head, etc. 
Distcmum bacillare 
Do 
Unknown 
Mackerel. 
Lepodora rachicea... 
Cardium edule (?)... 
Omitted (?) 
Haddock. 
L. elongata 
Unknown 
Unknown 
Cod. 
Stephanochasmus 
pristis 
S. rhombispinosis ... 
S. caducus 
S. triglce 
Unknown, but a 
Stephanochas- 
mus cercaria was , 
found in redise 
in Patella 
vulgata 
Do. 
Do 
Do 
Do 
Do. 
Whiting. 
Do. 
Grey Gurnard. 
S. baccatus 
i \ 
Dab, etc. ... 
Halibut (">) 
Pharyngora elastica 
Unknown 
Unknown 
Whiting. 
Otodistomum 
veliporum 
Do 
Do 
Starry Ray. 
Distomum, sp. 
Buccinum undatum 
Omitted 
Catfish. 
Zoogonoidrs 
viviparus 
Unknown 
Unknown 
Dab, etc. 
Lecithasta gibbosus 
Do 
Do 
Whiting, etc. 
Derogenes various... 
Do 
Harmothoe imbri- 
cata (?) (Levin- 
sen) 
Long Rough Dab, 
etc. 
Hemiurus communis 
Do 
1 
Unknown 
Whiting, etc. 
