Plate XIX. 



3, 6, 10, 15, 18—21, 29, 34 Brissopsis lyrifera. 2, 9 var. capensis. 7, 24, 26, 27 5r. alta. 1, 4, 5, 8, 11, 13, 14, 16, 22, 23, 25, 28 



30—33 Br. atlantica. 12, 17 By. elongata. 



Fig. 1 



— 2 



3 



— 4 



— 5' 



— 6. 



— 7 



— 8 



9 



— 10. 



— 11 



— 12 



- r 3 



— 14 



— J 5 



— 16, 



— i7 



— 18, 



- *9 



— 20. 



— 21 



— 22 



— 23 



- 24. 



— 25. 



— 26 



— 27, 



— 28 

 " 29 



- 3°' 



- 3 1 



— 32 



— 33 



— 34 



Brissopsis atlantica, tridentate pedicellaria. 5°^. 



— lyrifera, var. capensis, valve of tridentate pedicellaria. ?%. 



— valve of tridentate pedicellaria. 37/,. 



— atlantica, — - rostrate 5 %. 



— — - — — larger form, side view. 5"/,. 



— lyrifera, small, rostrate pedicellaria. (Comp. Fig. 34). 37/,. 



— alta, valve of 5 %. 



— atlantica (?), (.Talisman*) valve of rostrate pedicellaria. 5°/,. 



— lyrifera, var. capensis, valve of small rostrate pedicellaria. '75/^ 



— — valve of tridentate pedicellaria. ?%. 



— atlantica. tridentate pedicellaria. 37/,. 



— elongata, valve of tridentate pedicellaria. so/,. 



— atlantica (?) («Talisman»), valve of tridentate pedicellaria. 7%. 



— (?), valve of 8-valved « tridentate 7%. (Comp. Figs. 22, 30). 



lyrifera (Mediterranean), valve of rostrate pedicellaria, side view. (Comp. Fig. 21). 5 %- 



— atlantica (?) (Talisman ), — - small rostrate pedicellaria. 7°/,. 



— elongata, valve of rostrate pedicellaria. ^s/j. 



— lyrifera, — - — — 7 %. 



_ — — - small tridentate pedicellaria. '75/,. 



— — (Mediterranean), valve of rostrate pedicellaria. 37/,. 



— - - (Comp. Fig. 15). so/,. 

 atlantica (?), valve of 8-valved «tridentate» pedicellaria. (Comp. Figs. 14, 30). ?<>/,. 



— — (?) (, Talisman;), valve of rostrate pedicellaria. 5°/,. 



— alta, valve of tridentate pedicellaria. 7°/,. 



— atlantica, valve of small rostrate (?) pedicellaria. 7°/,. 



— alta, valve of tridentate pedicellaria. 7°/,. 



— — tridentate pedicellaria, fourvalved. 7°/,. 

 atlantica, valve of tridentate pedicellaria. 5%. 

 lyrifera, — - — — 37 /i- 



— atlantica (?), 8-valved «tridentate» pedicellaria. 5°/,. 



_ _ (?) (Talisman--), valve of tridentate pedicellaria. so/,. 



— — valve of tridentate pedicellaria. 5°/,. 



5 %- 



— lyrifera, rostrate pedicellaria. 37/,. 



