Cytheridea, 



BoS(|Uet. 



152 Proceedings of the Royal Physical Society. 



Cytheridea lacustris (G. 0. Sars). 



Cythere lacustris, G. O. Sars, Zool. Raise i Sommeren, 18G3, p. 30, 

 Cytheridea lacusti'is, Brady, Mon. rec. Brit. Ostrac, p. 427, 



pi. xxvi., figs. 18-21 ; pi. xL, fig. 2 (1868). 

 ,, lacustris, Brady and Norman, Mon. M. and Fw. 



Ostrac. of the N. Atlantic and N.-W. Europe, 



p. 176 (1889). 



Cytheridea torosa (Jones), var. teres. 



Candona torosa, Jones, Ann. and Mag. Nat. Hist, (ii.), vol. vi., 



p. 27, pi. iii., fig. 6. 

 Cytheridea torosa, Brady, Mon. rec. Brit. Ostrac, p. 425, pi, xxviii., 



figs. 7-12 ; pi. xxxix., fig. 6. 

 ,, torosa, Brady and Norman, Mon. M. and Fw. Ostrac. 



of the N. Atlantic and N.-W. Europe, p, 175 



(1889). 



TABLE I. 



Showing Distribution of Mollusca mentioned 



IN THE preceding NoTES. 



