Land, Fresh- Water, and Marine Crustacea. 143 



Genus (3) Parathemisto, Boeck, 1870. 



3. Parathemisto oblivia (Kroyer). 



1838. Hyperia oblivia, Kroyer, Grcenlands Amphipoder, p. 70, 

 pi. iv. fig. 19. 



Habitat. — Generally distributed, usually more or less 

 frequent, and at times abundant, especially in the seaward 

 part of the estuary, and particularly in winter and spring. 



Genus (4) Euthemisto, Bovalius, 1887. 



4. Euthemisto compressa (Gres). 



1865. Themisto compressa, Goes, Ofvers k Vet. -Akad. Forhandl., 

 p. 533, pi. xli. fig. 34. 



Habitat. — Taken sparingly off the west side of May Island 

 in February 1892 and November 1893 ; and at Station VII. 

 (off North Berwick) in November 1892. These were prob- 

 ably stragglers from the great shoal of Euthemisto reported 

 off the Yorkshire coast in February 1892. 1 



Gammaridea. 



Family Orchestiip^e. 



Genus (5) Talitrus, Latreille, 1802. 



5. Talitrus locusta (Pallas). 



1772. Oniscus locusta, Pallas, Spicilegia Zoologica, fasc. 9, pi. iv. fig. 7. 



Habitat. — "Very abundant about high-tide mark among 



stones, seaweed, etc." (L. and H.). I have taken T. locusta 



near Dunbar. At high-water mark sandy beaches, Gullane 



and North Berwick (Evans). 



Genus (6) Orchestia, Leach, 1814. 



6. Orchestia littorea (Montagu). 



1804. Cancer gammarus littoreus, Mont., Trans. Linn. Soc, vol. ix. 

 p. 96, pi. iv. fig. 4. 



Habitat. — Common on the shore west from Gran ton 

 amongst decaying seaweed at about high-tide mark. Taken 

 also on the shore near Dunbar. Aberdour and Prestonpans 



(Evans). 



1 Cf. T. H. Nelson in Naturalist for May 1892. ' 



