Land, Fresh- Water, and Marine Crustacea. 169 



south-west of Inchkeith" (Henderson, 1884). This species 

 I have not met with in the Firth of Forth. 



118. Fodoceropsis excavata (Spence Bate). 



1862. Ncenia excavata, Bate, op. cit., p. 272, pi. xlvi. fig. 4 ( ? ). 

 1862. ,, rimapalma, idem, ibidem, p, 272, pi. xlvi. fig. '^ {6)- 



Habitat, — " With the last in both localities " (Henderson). 

 Dredged in Largo Bay, Kirkcaldy Bay, at Station III., and 

 elsewhere ; generally though sparingly distributed. 



Family Amphithoid^. 

 Genus (71) Amphithoe, Leach, 1813. 



119. Amphithoe rubricata (Montagu). 



1804. Cancer {Gammarus) ricbricatus, Mont., Trans. Linn. Soc, 

 vol. ix. p. 99, pi. V. fig. 1. 



1856. Amphithoe littorina, Bate, Brit. Assoc. Rept. (1855), p. 59. 



Habitat. — Dredged off Musselburgh and off the west side 

 of May Island in 1887-88. Subsequently in other parts of 

 the estuary, especially in shallow water amongst Algse. 



Genus (72) Pleonexes, Spence Bate, 1857. 



120. Fleonexes gammaroides, Spence Bate. 



1857. Pleonexes gammaroides, Bate, Ann. and Mag. Nat. Hist. (2), 



vol. xix. p. 147 ( 6 ). 

 1857. Sunamphithoe hamulus, idem, ibidem, p. 148 (9). 



Habitat. — Obtained off" Pittenweem amongst trawl refuse, 

 and between tide-marks near Portobello, 1887-88. 



Family Ischyroceri d^. 

 Genus (73) Ischyrocerus, Kroyer, 1838. 

 121. Ischyrocerus minutus, Lilljeborg. 



1850. Ischyrocerus minutus, Lillj., Kgl. Svenska Vet. -Acad. Handl. 

 (1850), p. 335. 



Habitat. — Taken in various parts of the estuary. The 

 specimens in my collection were obtained in 1892. 



