Crustacea of St. Andrews. 273 



Genus Eurydice, Leach. 

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

 Abundant on the surface of the sea off the East Rocks 



Tribe Liberatica. 



Fam. Asellidae. 

 Genus J^RA, Leach. 

 Jcera Nordmanm, H. Rathke ; 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 FiUgrana from tins coi-alline 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. ArcturidsB. ■ 



Genus Arcturus, Latreille. 



Arcturus longicornis^ 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 



