144 Proceedings of the Royal Physical Society. 



Genus (7) Hyale, Kathke, 1837. 



7. Hyale Nilssoni (Rathke). 



1843. Amphitoe Nilssoni, Rathke, Acta Akacl. Leopold, vol. xx. p. 264. 

 Habitat. — " Granton Quarry, common ; May Island, near 

 high-water " (Henderson). West of Queensferry, rare. 



[8. Hyale (Nicea) Lubbockiana (Spence Bate). 



This species is recorded among my notes of Amphipoda 

 dredged off St Monans in 1889, but no specimens are in my 

 collection, and I am unable to verify the record.] 



Family Lysianassid^. 

 Genus (8) Acidostoma, Lilljeborg, 1865. 



9. Acidostoma obesum (Spence Bate). 



1862. Anonyx obesus, Bate, Cat. Amphip. Crust. Brit. Museum, 



p. 74, pi. xii. fig. 1. 



Habitat. — Dredged between Fidra and the Bass Rock in 

 1893, and on 9th July 1901; it has also been dredged off 

 St Monans, but always very sparingly. 



Genus (9) Socarnes, Boeck, 1870. 



10. Socarnes Vahli (Kroyer). 



1838. Lysianssa vahlii, Kroyer, Gronlands Amfipoder, p. 5. 

 1896. Socarnes Vahli, T. Scott, Fourteenth F. B. Rept., part iii. 

 p. 158. 



Habitat. — Firth of Forth ; very rare. 



// Genus (10) Calisoma, A. Costa. 



£ / 11. Calisoma Hopei, A. Costa. 



r 1851. Calisoma Hopei, A. Costa, Hope Cat. Crost. Ital., p. 44, 



and plate, fig. 2. 



1863. ,, crenata, Bate and AVestw., Brit. Sessile-eyed Crust., 



vol. i. p. 120. 



Habitat. — Moderately common in the Firth of Forth ; it 

 occurs sometimes in abundance inside the dead tests of 

 Amphidotns and Spatangus, feeding on the decaying animal 

 matter; also on dead fishes. 



