1866.] 



WOODWAKD — ^EETON» 



501 



have been found. Two are in the British Museum (from Mrs. 

 Smith's collection), from the hard chalk of Dover ; another is in the 

 collection of James Carter, Esq., of Cambridge, and is figured in Mr. 

 Lowry's * Chart of Fossil Crustacea.' I know of no Cretaceous 

 species of Eryon. 





Lias. 



Dogger. 



Malm 



1 



* 



¥r 



Mr 



Mr 



10 



1 



-3 



1 





^ 



P 



i 



1 



t 

 o 



Eryon, Desmar. 

 1. propinquus, Schlot 



































3 orbiculatus Munst 





































5. arctiformis Schlot 



















6. bilobatus, Munst 





































8 Schuberti Meijer 



















9. Redenbacheri, Munst 



















10. Perroni, Etall 

















* 



11 Hartmanni Meyer 







Mr 

 Mr 











12. Edwardsii, Moriere 







13. Escheri Oppel 



Mr 





1*1: antiQuus Srod 





16. Moorei H. Woodw 



17. Wilmcotensis, H. Woodw 







18. Brodiei, H. Woodw 



19. crassichelis, H. Woodw 



20. Oppeh, H. Woodw 





6 



— 



3 



— 



— 



— 



— 



1 



Note. — The species, in the above Table, numbered 1 to 9 are from the Solen- 

 hofen Limestone, and described and figured by Dr. Oppel {op. cit.), also : — 

 E. Escheri from the Lower Lias, Baden. 

 E. ( Coleia) antiquus, Lower Lias, Lyme : by Mr. Broderip, Trans. Geol. Soc. 



2nd series, vol. v. t. 12. f. 1 & 2. 

 E. Barrovensis, Lower Lias, Barrow-on-Soar : by Prof. M'Coy, Ann. Nat. Hist. 



1849, p. 172. 

 E. Hartmanni, from the Upper Lias, Wiirtemberg : by H. von Meyer, Nova 



Act. Acad. C. xviii. Bd. p. 263. 

 E. Perroni, from the Oxfordian, Calmoutiers, Haute-Saone, France: by M. 



Etallon, Crust. Foss. de la H.-Saone, Bullet. Soc. Greol. de France, t. xvi. 



p. 169, tab. 4. f. 1-3. 

 E. Edwardsii, from the Upper Lias, Calvados : by M. Moriere, 1864, Bull, de 



la Soc. Linn, de Normandie, t. viii. p. 89, pi. vi. 

 For directing my attention to this last species, I am much indebted to 

 Mr. Ealph Tate, F.Gr.S., the obliging Subcurator of the Geological Society's 

 Museum. 



The remaining five species enumerated are figured and described in this paper. 



Although the genus Eryon occurs fossil at Solenhofen with a 

 Limulus so like our own recent species that, I think, no one will 



