25d YORKSHIRE TYPE AMMONITES Mar. 



191 1 



Species of AMALTHEUS 



1808, Amaltheus margaritatus, Montfort, p. 90. 

 1813, A. acutus, J. Sowerby sp. Min. Conch, xvii (February). 

 1818, A. stokesi, J. Sowerby sp. cxci. (February). 

 1818, A. rotula, Reinecke sp. Maris prot. 9, 10. 

 1820, A. amaltheus, Schlotheim sp. ; cf. Zieten, Wiirt, iv, i. 

 1820, A. gibbosus, Schlotheim sp. ; cf. Zieten, Wiirt. iv. 2. Take 

 this as type of A. turgidus, Hyatt, if not Schlotheim's sp. 

 1822, A. clevelandicus. Young & Bird sp. xiii, 11. 

 1828, A. lenticularis, Young & Bird sp. p. 269 (Y.T.A. xx). 

 1828, A. subnodosus. Young & Bird sp. xiii, 3. 

 1828, A. vittatus, Young & Bird sp. xiv, 11. 

 1830, A. paradoxus, Stahl sp., in Zieten, Wiirt. xi, 6. 

 , 1843, A. depressus, Simpson sp. p. 40 (Y.T.A. xxv). 



1843, A. reticularis, Simpson sp. p. 38 (Y.T.A. i). 



1844, A. engelhardti, d'Orbigny sp. lxvi. 

 1849, A. gigas, Quenstedt sp. Ceph., v, 4c. 

 1849, A. nudus, Quenstedt sp. Ceph., v, 4a. 

 1849, A. spinosus, Quenstedt sp. Ceph., v, 4b. 

 1856, A. coronatus, Quenstedt s])., Jura, xx, 11. 

 1856, A. Isevis, Quenstedt sp., Jura, xx, 5. 



1867, A. gloriosus, Hyatt, p. 90 ; as type, Quenstedt, Jura, xx, 12. 



1867, A. pra;stabilis, Hyatt, p. 91 ; as tyi)e, Quenstedt, Jura, xx, 4. 



1867, A. salebrosus, Hyatt, p. 90 ; as type, Quenstedt, Jura, xx, 8. 

 • 1867, A- turgidus, Hyatt, p. 90 ; see A. gibbosus 



1885, A. compressus, Quenstedt sp., Amm. Schwab, xli, 17. 



1911, A. costiger nom. nov. ; as type Am. amaltheus costatus, 

 Quenstedt, Amm. Schwab, xlii, 9. 



1911, A. armiger, nom. nov. ; as type Am. amaltheus spinosus ; 

 Quenstedt, Amm. Schwab, xli, 5. 



1911, A. nodifer, nom. nov. ; as type Am. amaltheus depressus, 

 Quenstedt (non A. depressus, Simpson), Jura, xx, 14. 



