KM THE B ( > TANICA L MA GAZLXi:. \ Vo] . xxi. No. 244. 



Pigs. 12—15. C. paradoxum Clcvc. (Cape Goza). 



12. Complete chain seen from the narrower girdle-surface,^'. 



13. Valvular view of another specimen, ~. 



14-. Portion of a chain consisting of thicker and shorter cells, 



:< >> o 

 1 * 



15. Portion of a chain of still another specimen seen from the 



broader girdle-snrfaee, ^. 

 lf> a. C. rostratum Lauder ; —-. (Cape Goza). 



Figs. 16—17. C. densum Cleve. (Tateyama). 



1G. Portion of a chain seen from the broader girdle-surface, ~% 



17. Portion of another specimen seen from the narrower girdle- 



surface, -~. 

 Figs. 18-20. C. boreale Bail. (Tateyama). 



18. Portion of a chain viewed from the narrower girdle- 



surface, 5|£« 



19. Valvular view of another specimen, -=^. 



20. Portion of chain of still another specimen seen from the 



broader girdle-surface ; to the left, a cross-section of a 

 horn, ^f". 

 Figs. 21-22. C. Vanheurck'ri Gran ? (Shirahama in Prov. Boshyu). 



21. Portion of a chain, ' 1 \ i \ 



22. Part of the same magnified, ^£2. 



Figs. 23-24. Two different forms of C. lxvc Leud— Fortm., ^. 



(Cape Goza in Prov. Shima). 

 Figs. 25-32. C. coarctation Lauder. 



25. Terminal horn of the cell of upper end of a chain, '"';°. 



(Shirahama in Prov. Boshyu). 



26. Terminal horn of the cell of lower end of a chain shown 



in F*ig. 27, -"-. (Shirahama in Prov. Boshyu). 



27. Portion of an incomplete chain, ",' . (,, ,, ,, ,, ). 



28. Horn marked s in Fig. 27, ";°, ( ,, „ „ „ ). 



29. Broader girdle-surface of a portion of the chain shown in 



Fig. 27, : ''' i '". (Shirahama in Prov. Boshyu). 



30. Piece of a chain seen from below; a, a, terminal horns of 



the cell of upper end, ~ . (Prov. Tosa). 



31. Cell of the lower end of another chain seen from above, 



' ■ -. (Prov. Tosa). 



32. \ alvulnr view of a cell of still another specimen, :,! l " , . (,, ,,). 

 Figs. 33—37. C. criophyllurn Castr. (40 miles off Shinshirijima). 



