Plate XVII. 



15, 21 — 23, 30, 34, 37, 38, 43, 48, 49 Eckinocardiimi coidatum. 4, 7, 8, 10, 11, 17, 27, 31, 40, 41, 45, 50 Ech. flavescens. 5, 6, 9, 13, 

 16, 35, 39 Ech. cafierise. i, 18, 20, 24—26, 28, 29, 32, 33, 42, 44 Ec/i. penua/ifidzim. 2, 3, 12, 19, 47, 51, 52 Ech. medHerraneum. 



14, 36, 46 Ech. inteymcdittm. 



Fig. I 



- 2, 



- 3 



- 4- 



- 5 



- 6. 



- 7 



- 8 



- 9' 



- 10, 



- II 



- 12 



- 13 



- 14- 



- 15 



- 16. 



- 17 



- 18. 



- 19' 



- 20. 



- 21 



- 22, 



- 23 



- 24. 



- 26. 



- 27 



- 28. 



- 29. 



- 30' 



- 31 



- 32 



- 33 



- 34- 



- 35 

 -36. 



- 37 



- 38. 



- 39' 



- 40, 



- 41 



- 42 



- 43 



- 44- 



- 4, 



- 4< 



- 47' 



- 48. 



- 49 



- 50- 



- 51 



- 52 



Echinocardiutn pennatijidiuu, tridentate pedicellaria. ^-Vi- 



— mediterranczini, valve of tridentate pedicellaria. 



— — — - rostrate — 



- globiferous — 



of small tridentate pedicellaria. 

 — rostrate — 



flavcscetis, 

 capensc, val\-e 



JlavesccHS, 



ophicephalous 



capense, — 

 JlavescenS; — 



mediterraneuvi , 

 capoise, 



77i- 



side view. (Comp. Fig. 10). 70V 

 (Comp. Figs. 35, 39). 7", ,. 

 (Comp Fig. 16). 7°/i. 



'75/,. 



side view. '75/j. 



^7.- 



from the inside. (Cnip. Fig. 4). 7°/,. 



7",',. 



- small rostrate — 



- globiferous — 



- small tridentate — 

 valve of globiferous pedicellaria. 5°/,. 



— - small tridentate — ^°l^. 



interiiicdiuni, tridentate pedicellaria. 35/^. 

 cordafuiji, valve of rostrate pedicellaria. 7°/i. 

 capensc, — - — — (Comp. Fig. 6). 



flavescens, — - — — side view. (Comp. Fig. 40). 70/,. 



pctinatifidtini, valve of globiferous pedicellaria, side view. (Comp. Fig. 29). 7°/, 



70 



'/i- 



meditcrrancicm , 



pennafijiduin, 



cordatuni, 



pennatijidum, — 



flavescens, 

 pennatifldum, 



small tridentate — 

 rostrate 



tridentate 



(Comp. Figs. 28, 32). 5° I. 

 (Comp. Fig. 34). Specimen from 



Gresund. 70/ j. 

 (Mediterranean). 70/^. 



37/^. 

 37/j. 



side view. (Comp. Fig. 26). 37/,. 



fr. the inside. (Cmp. Fig. 25). 

 37/1. («M. Sars»). 

 (Comp. Figs. 20, 32). 37/,. 

 fr. the inside. (Cmp. Fig. 18). 



37 



'/:• 



- rostrate 



- globiferous 

 cordahim (Tamaris), valve of tridentate pedicellaria. 37/,. 

 flavescens, valve of tridentate pedicellaria. (Bergen). 37/j. 

 pennatifldum, valve of rostrate pedicellaria. (Comp. Figs. 20, 28). 



— — - tridentate — 50/,. 



cordatuni, — - rostrate — (Comp. 



capense, — - small tridentate pedicellaria. 



intermedium, — - rostrate — 



cordatuni, — - globiferous — 



— — - rostrate — 

 capense, — - small tridentate — 



flavescens, — - rostrate — 



— large tridentate pedicellaria. 37/,. 

 pennatifldum, tridentate — 37/,. 



cordatuni, valve of tridentate pedicellaria. 37/,. 

 pennatifldum. rostrate pedicellaria. 37/,. 

 flavescens, globiferous — 35/,. 



intermrdinm, valve of rostrate pedicellaria. 7°/,. 



niedHerraneiiiii. globiferous pedicellaria. 3°/,. 



cordatum, valve of tridentate pedicellaria. 37/,. 



— globiferous pedicellaria. 35/,. 

 flavescens, rostrate — 5°/,. 



nicditerraneiim, clavula. so/. 



37/ 



50 



■/i- 



Fig. 21). 70/,. (Naples). 

 (Comp. Figs. 5, 39). 70/,. 

 (Tamaris). 70/,. 



77i. 



77,. 



(Comp. Figs. 5, 35). 70/,. 



(Comp. Fig. 17). 7°/,. 



rostrate pedicellaria. 



3V.- 



