98 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



The only other Scottish locaHties for which this 

 species has been recorded are the Clyde ; the Minch ; 

 the Firth of Forth ; and Shetland. 



Cytheropteron depressum, Brady and Norman. 



Cytheropteron subcirchiatuni, Brady, Mon. Rec. Brit. Ostrac, 

 p. 447, pi. xxxiv., figs. 39-42 (1868). (Non Cy. 

 subcircinatum, G. O. Sars.) 

 ,, depressum, Brady and Norman, op. cit., p. 218, 



pi, 20, figs. 22, 23. 



Habitat. — Near the entrance to Holm Sound. 

 The only other Scottish localities I know for this 

 species are the Firth of Forth and the Moray Firth. 



Bythocythere turgida, G. O. Sars. 



Bythocythere turgida, G. O. Sars, Oversight af Norges Marine 



Ostracoder, p. 84. 

 „ ,, Brady and Noriuan, op. cit., p. 221. 



Habitat. — Near the entrance to Holm Sound. 



Other Scottish localities where this species has 

 been observed are the Firth of Clyde ; Firth of Forth 

 (Scott) ; and Shetland. It does not seem to be so 

 generally distributed as some of the others. 



Bythocythere simplex (Norman). 



Cythcre simplex, Norman, Nat. Hist. Tz'ans. Northumb. and 



Durh., vol. 1, p. 17, pi. v., figs. 1-4. 

 Bythocythere „ Brady and Norman, oy). cit , p. 224, pi. xxiii., 



fig. 9. 

 Habitat. — With the last; rather rare. 



This seems to be more widely distribiited than 

 B. turgida. It has been observed in the following 

 Scottish localities : the Clyde (in several places) ; the 

 Minch ; Firth of Forth (Scott) ; Aberdeenshire coast ; 

 and Shetland. 



Paradoxostoma hibernicum, Brady. 



Paradoxostoma hibernicum, Brady, Mon. Rec. Brit. Ostrac, 



p. 460, pi. XXXV., figs, 35, 36 ; 

 and pi. xl., fig. 7 (1868). 

 „ „ Brady and Norman, op. cit., p. 



232, pi. xxi., figs. 15-17. 



