300 SPH^RHD^ 



Fam. : SPH^RIIDiE. 



Genus : 1. SPH/ERIUM, Scopoli. 



Etym. : — Gr. a-cjiaLpiov, a ball. 



Type : — Tellina cornea, LiniiEeus. 



{Tellina, Chania, Cyclas, Cardium, vett. auctt.) 



1777. Spheerium : Scopoli, Introd. Hist. Nat., p. 397. 



1798. Cyclas [pars] : Lamarck, Tabl. Ency., ii, pi. occi & cccii. 

 1807. Musculium : Link, Beschreib. Natural. -Samml. Univ. 



Rostock, iii, p. 152. 

 1811. Cornea : Megerle, Mag. Gesell. Naturf. Freunde Berlin, 



V, p. 57. 

 1815. Cycladea : Rafinesque, Analyse Nature, p. 146. 

 1818. Corneocyclas, subg. of Cyclas : (Ferussac in litt.) 



Blainville, Diet. Sci. Nat., xii, p. 278. 



[Nom. nov. for Cornea, Megerle.] 

 1820. Phymesoda, sect. 2 of Cyclas [pars] : Rafinesque, Ann. 



Gen. Sci. Phys., v, p. 319. 

 1820. Amesoda, sect. 3 of Cyclas : Rafinesque, I. c. [Mis- 

 printed on the same page Ameroda.] 

 1854. Pisum ; Megerle von Miihlfeldt : Bourguignat, Rev. <& 



Maq. Zool., Ser. II, toin. vi, p. 85. {Amen. 



Malac, i, 1856, p. 30.) [Non Megerle, 



whose example was a fossil Brachiopod, or 



a rolled Pecten shell.] 

 1854. Eupera, a sect, of Pisidium : Bourguignat, /. c, p. 85. 



(/. c, p. 30.) 

 1854. Cyrenastrum ) Sects, of Sphcerimn : Bourguignat, 



1854. Sphceriastrum / t. c, p. 668. (/. c, p. 66.) 



1855. Seeurilla, sect. 3 of Cyclas : Drouet, Mem. Soc. R. 



Liege, x, p. 164. 

 1872. CalycitJina : Clessin, Malal: Blatt., xix, p. 159. 



1872. Limosina : Clessin, t. c, p. 160. [= Eupera, Bourg.] 



1873. Corneola, sect. 3 of Sphrvrium : Clessin, in Westerlnnd, 



Fauna Moll. Svecice, pt. ii, p. 503. [Non 

 Held, 1837.] 



1. Sphserium rivicola (Leach). 



Etym. : — Lat. rivus, a brook + c^^o, inhabit. 



?1778. Cardium nux [pars] : DaCosta, Test. Brit., p. 173. 



1799. Cardium amnicum, Milll. : Pulteney, Cat. Dorset., p. 31. 



[Non Mliller.] 

 1801. Cyclas cornea, a: Draparnaud, Tabl. Moll. France, 



p. 105. 

 1803. Cardium corneum, var. : Montagu, Test. Brit., p. 86. 

 1805. Cyclas cornea, Linn. : Draparnaud, Hist. Moll. France, 



p. 128, pi. X, f. 1-3. 



