Tol. 52.] MICROZOA FROM BARRY DOCK. 485 



Appendix. 



Report on the Microzoa in Marl and Silts from Barry Dock, 



near Cardiff. 



[This has been drawn up by Mr. Frederick Chapman, A.L.S., 

 F.R.M.S., with the advice and co-operation of Prof. T. Rupert Jones, 

 F.R.S., F.G.S.] 



A. OSTRACODA. 



(1) From the Clay above Upper Peat (No. 4 of p. 478). 



1. Cytheridea torosa (Jones), var. teres, Brady and Robertson. 



See above, p. 479. 



This has been previously recorded from Cardiff (New Dock Basin). 

 Two specimens. 



2. Loxoconcha elliptica, G. S. Brady. 



L. elliptica, G. S. Brady, 1868, Trans. Linn. Soc. vol. xxvi. p. 435, 

 pi. xxvii. figs. 38, 39, 45-48 ; pi. xl. fig. 3. 



Previously recorded from Cardiff (New Dock Basin). Frequent. 



(2) From the Upper Peat (No. 5 b of p. 478). 



1. Candona pubescens (Koch). 



Cypris pubescens, Koch, 1837, l Deutschlands Crustaceen,' etc. 

 Heft xi. p. 5. 



Cypris setigera, Jones, 1857, Monogr. Tert. Entom. (Pal. Soc.) 

 p. 12, pi. i. fig. 6. 



Candona compressa, Brady, 1868, Trans. Linn. Soc. vol. xxvi. 

 p. 382, pi. xxvi. figs. 22-27. 



Candona pubescens, Brady & Norman, 1889, Sci. Trans. R. 

 Dublin Soc. ser. 2, vol. iv. p. 101, pi. xii. figs. 32-37 (limbs, etc.). 



This species has been recorded from post-Tertiary deposits in 

 Berkshire arid Cambridgeshire ; and it occurs as a recent fresh- 

 water form in Great Britain and Europe. 



Examples still bearing the short bristles on the exterior of the 

 valves are found in the deposit from Barry Dock. Frequent. 



2. Candona sijb^equalis, Jones. 



C. subaqualis, Jones, 1857, Monogr. Tert. Entom. (Pal. Soc.) 

 p. 20, pi. i. figs. 9 a-c. 



This is already known as a post-Tertiary freshwater form from 

 Essex. 



Two specimens ; Barry Dock. 



3. Candona Candida (Miiller). 



Cypris Candida, Miiller, 1785, Entom., etc. p. 62, pi. vi. figs. 7-9. 



Candona candida,~Ba.iT(i, 1845, Trans. Berwick. Nat. Club, vol. ii. 

 p. 153 ; Jones, 1857, Monogr. Tert. Entom. (Pal. Soc.) p. 19, pi. i. 

 figs. 8 a-/; Brady and Norman, Sci. Trans. R. Dublin Soc. ser. 2, 

 vol. iv. 1889, p. 98, pi. x. figs. 1, 2, & 14-23 (including varieties). 



