164 
MARINE FAUNA OF ST. ANDREWS. 
Fam. Leptopodiadae. 
Genus Stenorhynchus, Lam. 
Stenorhynchus rostratus , L.; Bell, op. cit. p. 2 
(as 8. phalangium). 
Abundant in the coralline region, in the stomachs of cod 
and haddock, and occasionally under stones at low water. 
Fragments of sessile-eyed Crustacea and sand occurred in the 
stomachs of those examined. Males greatly preponderate. 
Fam. Parthenopidae. 
Genus Eurynome, Leach. 
Eurynome aspera , Penn. ; Bell, op. cit. p. 46. 
A few specimens were procured from the coralline ground. 
Bare. 
Fam. Canceridae. 
Genus Cancer, L. 
Cancer pagurus , L.; Bell, op. cit. p. 59. 
Abundant all round the rocky border in the laminarian 
region, and frequent between tide-marks. In the stomach of 
this species are many curious parasites, such as Tetrarhynchus 
(Plate VII. figs. 16 & 17) and Echinorhynchus 1 probably de¬ 
rived from its food. Sections of the carapace show internally 
tubular processes, apparently connected with the hairs (Plate IX. 
fig. 9). 
Genus Pirimela, Leach. 
Pirimela denticulata , Mont.; Bell, op. cit. p. 72. 
Occasionally from deep water. Bare. 
Fam. Portunidae. 
Genus Portunus, Leach. 
Portunus depurator , L. ; Bell, op. cit. p. 101. 
Dredged occasionally off the West Bocks on a sandy bottom, 
cast ashore by storms, or found in the stomach of the cod. 
