198 PROCEEDINGS OF THE ACADEMY OP 



1821, -\- Craniolites, Schlotheira, 1820, + Orhicularius^ 

 Dumeril, 1809, -j- Numulus, Agassiz, 184G, -f- Criopodo- 

 derma^ Agassiz, 1848, -\- Cryopus^ Desliayes, 1836, etc. 

 etc. 



Subgenus Crania, Dall. 



Crania^ Dall, Bull. Mus. Comp. Zool. loc. cit. p. 26. 1871. 

 L Crania anomala, Mnller. 



Patella anomala^ Mull. Prodr. Zool. Dan. p. 237, 2870. 1776. 



Gmel. S. N. p. 3721. 

 Patella distorta, Montagu, Trans. Lin. Soc. xi. p. 195, pi. 



13, fi*. 5. 1808. 

 Patella Kermes, Humphrey, fide Sb}-. & Rve. 

 Anomia turbinata, Dillwyn, Cat. i. p. 286. 

 Griopus anomalus, Flera. Phil. Zool. ii. p. 499. 

 Criopus orcadensis, Leach, Gray, Moll. Gt. Brit. p. 358, pi. 



xiii. figs. 6-8. Dec. 1852. 

 Orhicula norvegica^ Lam. S3'st. p. 140. 1801. Xot of Sby. 



Liu. Tr. and Gen. Sh., Rang. Man. nor Blainville, Man 



p. 515. 

 Orhicula anomala^ Cuvier, Tabl. El. p. 435. 1799. 

 Discina ostreoides, Turton, Dith. Brit. p. 238. 1822. Not 



of Lamarck. 

 Crania turbinata^ Hanley, Wood's Index, Test. pi. xi. fig. 



2. 1856. Not of Poll. 

 Crania personata (part), Defrance, Diet. Sci. Nat. xi. p. 



312. 1818. 

 Crania personata, Lara. (syn. excl.). An. s. Yert. Ed. i. iv. 



p. 938. 1819. 

 Crania norvegica, Sby. Tlies. Conch, i. p. 368, pi. 73, figs. 



15 and 17. 1847. Fbs. and Ilanl. Brit. Moll. i. pi. U. 



fig. 2. 1853. 

 Crania rosfrata, Thorpe, Brit. Mar. Conch, p. 125. 1844. 



Also Fbs. and Ilanley, Brit. Moll. ii. p. 366. 1855. Not 



of Iloeninghaus. 

 Crania anomala, Sb3\ Conch. Man. Ed. ii. p. 125, fig. 197a. 



1842. Dav. Int. Bracli. p. 123, figs. 44-46, pi. ix. figs. 



237, 238. Rve. Conch. Icon. pi. i. fig. 4. 1862. Dall, 



Bull. Mus. Comp. Zool. vol. iii. No. 1, p. 33. 1871. (Full 



synonym}-.) 



North European Seas. 



