360 



A. J. Jukes- Broicne — Tiro Stages in Upper Chalk. 



IV. — On the Recognition of Two Stages in the Upper Chalk. 



By A. J. Jukes-Browne, F.E.S., F.G.S. 



[Concluded from the July Ntimber, p. 313.) 



rpHE next step is to see if the evidence of the Echinodermata 



J_ coincides with and confirms that of the Cephalopoda. The 



Echinoderms will be tabulated in the same way as tlie Cephalopoda, 



beginning with those of Germany. The following table lias been 



compiled from several sources, and maj- not be quite complete as 



regards the irregular forms, though it is practically so for the 



Regulares, this part being taken from Schliiter's monograph on 



that order : — 



TABLE IV. 



Echinodermata in North Germany. 



Species. 



Cidaris Merceyi, Cott 



C. sceptrifera, Mant 



C. hirudo, Sorig 



C. ? pistillum, Quendst 



C. p>seudopistilluin, Cott 



C. Herthce, Schliiter 



C. mammillata, Cott 



C. gigas, Schliiter 



C. darupensis, Schliiter 



C. cometes, Boll 



C. striatula, v. d. Marck 



C. (data, Boll 



C. spinvsa, Boll 



C. baltica, Schliiter 



C. Fanjasi, Desor 



C. cf. Hardouini, Desor 



C. GoscB, Schliiter {=claingera, part) . 



C. vexillifera, Schliiter 



Temnocideras Baylei, Cott. . . . 



T. danica, Cott 



Porocidaris lingualis, Desor 

 Pleurocidaris regalis, Goldf. 

 Salenia. gehrdensis, Schliiter . . . 



S. Quendstedti, Schliiter 



S. Heherti, Cott 



S. ohniipta, Schliiter 



<S'. antliophora, Miill. [ = Bonissenti. 

 Cott.) 



S. stellifera, Hagen 



S. pygmcea, Hagen 



S. maestrichtensis , Schliiter 



Peltastcs lieliopJiorus, Ag 



Cyphosoma radiatum, Sorig 



C spathuliferum, Forbes . . . . 



C. gehr dense, Schliiter 



C. cf. magnificum, Ag 



C ornntissiniiun , Ag 



t5 



nS 



