36 BULLETIN OF THE 



Vol. II, p. 189. " Anomia turbinata," description of shell follows, and to 

 it is added a description of the animal as " Criopus firribriatus" 



Vol. II, p. 255, a Table of Genera contains : — 



Genus 18. Criopus (animal). Genus 18. Crwpoderma (shell). 



Species 1. Criopus jimbriatus, " Habitat m Anomia truncata et capite ser- 

 pentis Lin. ; in Anomia turbinata." 



Vol. II, p. 261. List of species : — 



1. Crwpoderma turbinatum. Anomia turbinata. 



2. Criopoderma truncation. Anomia Iruncata. 



3. Criopoderma caput serpentis. Anomia caput serpentis. 

 Plate 30, fig. 15, Anomia turbinata. 



Poli evidently considers Anomia as a synonyme, and only uses it by way 

 of explanation. It is evident that such a system of nomenclature as the 

 above can never be fairly squared with the binomial system. 



Family DISCINdTLE. 



Syn. = Discinidce Gray, Syn. Brit. Mus., I, p. 155, 1840* Ibid., p. 88, 1842. P. 

 Z. S., p. 202, 1847. Ann. Mag. Nat. Hist., II, p. 439, 1848. — Da- 

 vidson, Int. Class. Brach., pp. 51, 125, 1853. — Woodward, Man. Rec. 

 and Fos. Sh., p. 237, 1854. — Davidson, Me'm. Lin. Soc. Norm., X, p. 

 84, 1856. — H. and A. Adams, Gen. Rec. Moll., II, p. 584, 1858.— 

 Mas. Gray's Moll., IV, p. 202, 1859. — Suess, Wohns.,X p. 42 (224), 

 1859. — Carpenter, Lect. Moll., Smithsonian Rep., p. 276, 1860. — 

 Bronn, Klass. Ord. Thierr., Ill, I Abth. p. 301, 1862. 



= Discinide'es Davidson, Me'm. Lin. Soc. Norm., X, p. 231, 1856. 



= Orbiculacea Anton, Verzeichn., p. 21, 1839 * (fide Herrm.). 



= Orbicul idee King, Ann. Mag. Nat. Hist., XVIII, p. 28, 1846. — Owen, 

 Anat. Inv., p. 503, 1855. — Chenu, Man. de Conchyl., II, p. 231, 

 1862. 



«=: Orbicidina Agassiz, Nomend. Index, p. 757, corr. praec. 1848 (not Lam., 

 gen. Rhizop.). 



-< Orbiculidce D'Orbigny, Cours Ele'm. Pal., II, p. 89, 1849. 



~<Les Orbicules Ccvier, Lecons dAnat. Comp., I, t. v, 1798* (fide Gray). 

 — Regno An., II, p. 505, 1817. 



= Orbicules Deshayes, Encyc. Me'th., II, table, 1830. Ibid., Lam., Hist. 

 Nat. An. s. Vert., Ed. II, Vol. VII, p. 309, 1836. 



= Orbiculidie McCoy, Carb. fos. Ireland, p. 104, 1844. 



-=: Orbkulce Herrmannsen, Ind, II, p. 156, 1847, as of Desh. 



-= Craniadct Forbes and Hanley, Brit. Moll., II, p. 364, 1853. 



-<Les Cranks Ferussac, Tabl. Syst., folio 38, 1819. — Rang, Man. Moll., p. 

 262, 1829. 



^< Craniacece Menke, Syn., Ed. I, p. 56, 1828, olim* 



-=: Craniacea Menke, Syn., Ed. II, p. 96, 1830. — Agassiz, Nomencl. Fasc., 

 IX, p. 31, 1846. — Moerch, Cat. Yoldi, p. 64, 1852. 



