08TRAC0DA. 135 



Pseudocythere candata, G. 0. Sars, 1865. Post-Tertiary, Scotland, 



Ireland ; Recent, Gt. Britain, Ireland, Norway. 



Pseudocythere caudata, G. 0. Sars, 1805, Overs. Norg. mar. Ostrac. p. 88; 

 Brady, 1868, Trans. Linn. See. vol. xxvi. p. 45.3, pi. xxxiv. figs. 49-52, pi. xli. 

 fig. 6 ; Brady, Crosskey, and Robertson, 1874, Mon. Pal. Soc. p. 210, pi. ii. 



RHOMBINA, Jones, Kirkby, and Brady, 1874. 



Rhomhina, Jones, Kirkby, and Bradv, 1874, Garb. Entomos,, Mon. Pal. Soc. 

 p. 43. 



Distnhutio7i. Carboniferous Limestone. 



Rhombina Hibernica, Jones, Kirkby, and Brady, 1874. Carboniferous 



Limest.. Little Island, Cork. 



Rhombina Hibernica, Jones and Kirkby, 1874, Mon. Pal. Soc. p. 44, pi. ii. 

 figs. ?i2 a-c, pi. V. figs. 1-3 a-c. 



SCLEROCHILUS, G. 0. Sars, 1865. 



Cythere, Norman, 1862, Ann. & Mag. Nat. Hist. vol. ix. 

 Scleruchilus, G. 0. Sars, 1865, Overs. Norg. mar. Ostrac. p. 90; Brady, 18i'8, 

 Trans. Linn. Soc. vol. xxvi. p. 455. 



Distribution. Post-Tertiary. Recent, marine. 



Sclerochilus contortus, Norman, 1862. Glacial bods and raised beaches, 

 Britain, Norway ; Recent, Britain, Norway. 



Cythere contorta, Norman, 1862, Ann. & Mag. Nat. Hist. vol. ix. pi. ii. fig. 15; 

 id. Trans. Tynes. Field-Club, vol. v. p. 150, pi. iii. fig. 15. 



Sclerochilus contortus, Sars, 1865, Overs. Norg. mar. Ostrac. p. 90 ; Brady, 1808, 

 Trans. Linn. Soc. vol, xxvi, p. 455, pi. xxxiv. figs. 5-10, pi. xli. fig. 7; Brady, 

 Crosskey, and Robertson, 1874, Mon. Pal. Soc.p. 212, pi. x, figs. .33-35. 



SULCUNA, Jones, Kirkby, and Brady, 1874. 



Sidciina, Jones, Kirkbv, and Bradv, 1874, Carb. Entomos., Mon, Pal. Soc. 

 p. 30. 



JDistrihution. Carboniferous. 



Sulcuna cuniculus, Jones and Kirkby, 1874. Carboniferous Limestone, 



Little Island, Cork. 



Sulcuna cuniculus, Jones, Kirkby. and Brady, 1874, Mon. Pal. Soc. p. 37, 

 pi. iv. figs. 5 a, b, c, 8 a, b, c. 



Sulcuna lepus, Jones and Kirkbv, 1874. Carboniferous Limestone, 



Little Island, Cork. 



Sulama lepus, Jones, Kirkby, and Brady, 1874, Mon, Pal, Soc, p, 36. pi, iv. 

 figs, 6 a, b, 7 a, b, e. 



