Crustacea of St. Andrews. 273 



Genus Eurydice, Leach. 



Eurydice pulchra, Leach ; B. & W. op. cit. ii. p. 310. 



Abundant on the surface of the sea off the East Rocks 

 in autumn, and in the stomachs of cod and haddock. 



Tribe Libesatica. 



Fam. Asellidse. 

 Genus J^gra, Leach. 



Jcera Nordmanni, H. Rathke 5 B. & W. op. cit. ii. p. 320. 



Common under stones near high-water mark at the East 

 Rocks. 



Genus Janira, Leach. 



Janira maculosa. Leach ; B. & W. op. cit. ii. p. 338. 



Frequent on shells and Filigrana from the coralline ground, 

 and under stones in pools near low water at the East and other 

 rocks. This species has many of the habits of Idotea. 



Genus Limnoria, Leach. 

 Limnoria lignorum, Rathke; B. & W. op. cit. ii. p. 351. 



Abundant in the stakes for the salmon-nets on the West 

 Sands, and in wood elsewhere. 



Fam. ArcturicUe. 



Genus Arcturus, Latreille. 



Arcturus longicorm's, Sowerby ; B. & W. op. cit. ii. p. 365. 



Common in the stomachs of cod, haddock, and flounders. 



Arcturus gracilis, H. Goodsir ; B. & W. op. cit. ii. p. 373. 



Abundant in debris from the coralline ground and in the 

 stomachs of haddocks. 



Fam. Idoteidae. 

 Genus Idotea, Fab. 



Idotea tricuspidata, Desmarest ; B. & W. op. cit. ii. p. 379. 



Frequent near low water in the laminarian region, and in 

 the stomachs of all the common fishes. 



Ann. & Mag. N. Hist. Ser. 4. Vol. xiv. 19 



