Plate XVII. 



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

 i6i 35i 39 Ei:h- capeiise. i, rS, 20, 24—26, 28, 29, 32, 33, 42, 44 Ech. penuatifidum. 2, 3, 12, ig, 47, 51, 52 Ech. inediterraficiim. 



14, 36, 46 Ech. intertnedium. 



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 



— 25 



— 26. 



— 27, 



— 28. 



— 29. 



— 30. 



— 31 



— 32 



— iZ 



— 34 



— 35 

 -36. 



— 37 

 -38. 



— 39' 



— 40. 



— 41 



— 42, 



— 43 



— 44 



— 45' 

 -46, 



— 47' 



— 48, 



— 49' 



— 50' 



— 51 



— 52 



Echinocardiiuii pcniiatijiduin, tridentate pedicellaria. ^5/^. 



— mediterraneum, valve of tridentate pedicellaria. 



— — — • - rostrate — 



— fJavescens, — - globiferous — 



— capcnsc, valve of small tridentate pedicellaria. 



— — _ - _ rostrate — 



flavcscms, — 



ophicephalous 



77i- 



side view. (Comp. Fig. 10). 70/j. 

 (Comp. Figs.35,39). 7°/i. 

 (Comp Fig. 16). 7°/i. 



'75/j. 



side view. '^s/j. 



from the inside. (Cmp. Fig. 4). 7°/i. 

 771. 



capciisc, — - small rostrate — 



davesccnS: — - globiferous — 



— — - small tridentate — 



mediterraneum, valve of globiferous pedicellaria. 

 capc7ise, — - small tridentate — 



iuferincdiiivi, tridentate pedicellaria. 35/^. 

 cordatum, valve of rostrate pedicellaria. ^"/i- 

 capeiise, — - — — (Comp. Fig. 6). 77i- 



Jtavcscens, — - — — side view. (Comp. Fig. 40). ^°|l. 



pcniiatifidum, valve of globiferous pedicellaria, side view. (Comp. Fig. 29). 



5%. 



?7i- 



70 



meditcrraiiejim , 



peiinatifidui//, 



cordatum. 



pcnnatifidtøii, 



flavescens, 

 pciinatifiditm. 



small tridentate 

 rostrate 



- tridentate 



% 



77.- 



(Comp. Figs. 28, 32). 50/j. 



(Comp. Fig. 34). Specimen from 



Øresund. '7i- 

 (Mediterranean). 771. 



37/,. 



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



fr. the inside. (Cmp. Fig. 25). 37/,. 



37/,. («M. Sars»). 



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



fr. the inside. (Cmp. Fig. 18). 37/,. 



rostrate — 



globiferous — 



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

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

 pennatijidum, valve of rostrate pedicellaria. (Comp. Figs. 20, 28). 57,. 

 — — - tridentate — 5°/,. 



rostrate — (Comp. Fig. 21). 7°/,. (Naples). 



small tridentate pedicellaria. (Comp. Figs. 5, 39). 7°/, 



cordatum, 

 capcnse, 

 intermedium, 

 cordatum. 



- rostrate 



- globiferous 



rostrate 



small tridentate 



rostrate 



capensc, — 



flavescens, — 



— large tridentate pedicellaria. 37/,. 

 pennatifidum, tridentate — 37/,. 

 cordatum, valve of tridentate pedicellaria. 37/,. 

 pennatifidum, rostrate pedicellaria. 37/,. 

 flavescens, globiferous — 35/,. 

 intermedium, valve of rostrate pedicellaria. 70/, 

 mediterraneum, globiferous pedicellaria. 3°/,. 

 cordatum, valve of tridentate pedicellaria. 37/,. 



— globiferous pedicellaria. 35/,. 

 flavescens, rostrate — 50/,. 

 mediterraneum, clavula. 50/,. 



— rostrate pedicellaria. 35/,. 



(Tamaris). 70/,. 



77i. 



77i- 



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

 (Comp. Fig. 17). 70/,. 



