Land, Fresh-Water, and Marine Crustacea. 291 



105. Cytheropteron punctatum, G-. S. Brady. 



1868. Cytheropteron punctatum, Brady, I. c, p. 449, pi. xxxiv. 

 figs. 45-48. 



Hob. — Dredged off St Monans ; rather rare. 



106. Cytheropteron angulation, Brady and Eobertson. 



1872. Cytheropteron angulatum, B. and R., Ann. and Mag. Nat. 

 Hist. (4), vol. ix. p. 62, pi. ii. figs. 7, 8. 



Hob. — Largo Bay and off Aberlady; rare. 



107. Cytheropteron depressum, Brady and Norman. 



1889. Cytheropteron depressum, B. and N., I. c, Pt. I. p. 218, pi. xx. 

 figs. 22, 23. 



Hob. — Largo Bay and off Aberlady ; not common. 



108. Cytheropteron humile, Brady and Norman. 



1889. Cytheropteron humile, B. and N., I. c, Pt. II. p. 220, pi. xx. 

 figs. 4-7. 



Hob. — Dredged off Limekilns and in Largo Bay. This 

 small species, which measures only "33 mm., has also been 

 found fairly plentiful in the Clyde in the crevices of partly 

 decayed pieces of wood brought up in the dredge, and usually 

 associated with an interesting species of Coipeipo&&, ffarrietella 

 simulans, T. Scott. 



Genus (31) Bythocythere, G. O. Sars, 1865. 



109. Bythocythere turgicla, G-. O. Sars. 



1865. Bythocythere turgida, G. O. Sars, I. c, p. 84. 



Hob. — Dredged off Musselburgh and other places ; not 

 common. This moderately large species has sometimes been 

 obtained in the stomachs of small fishes. 



110. Bythocythere constricta, G-. O. Sars. 



1865. Bythocythere constricta, G. 0. Sars, I. c. p. 85 



Rab. — Largo Bay and off Aberlady ; frequent. This is 

 a moderately common species in the Forth. 



