150 



G. limosa, Gray. = Corh. limosa. 



C. mactroides, Deshayes. = O. mactt'iformis. 



O. Manillensis, Philippi, = Corb. ManiUensis. 



0. Moquinianus, Bourguignat. = an Ancylus, typ. error. 



C. nitens, Philippi. = Corb. nitens. 



0. obesa, Hinds. = B. obesa. 



C orientalis, Lamarck. ^= Corb. orientalis. 



C. Paranacensis, d'Orbigny. = Corb. Paranensis. 



C. Peruviana, Deshayes. = C. anomala. 



C. PetitianuSy Bourguignat. ;= an Ancylus., typ. error. 



C. Philippinaru?)!, Han ley. = B. Pliilippinarum, 



C. pulchella, Mousson. = Corb. pulchella. 



C. pullata, Phillipi. = Corb. pullafa. 



C. purpurea., Lea. ^ Venus gemma. 



C. pusilla, Parreys. = Corb. p)usilla. 



G. radiata, Parreys. =: Corb. radiata. 



C. Raymondi, Bourguignat. := an Ancylus, typ. error. 



C. recurvata, Valenciennes. = Corb. recurvata. 



C. reyulata, Gassies. = B. tenehrosa. 



C. rivalis, v. d. Busch. = Corb. rivalis. 



C. rotundata, Lea. = B. rotundata. 



G. similis, Gray. = Corb. Woodiana. 



C. soUda, Philippi. = C. Nicaraguana. 



G. subquadrata, Deshayes. = C. Californiea. 



C. mbradiata, Kurr. == Corb. subradiata. 



G. tenebrosa, Hinds. = B. tenebrosa. 



C. trigonella, Lamarck. = Corb. trigonella. 



G. turgida. Lea. = G. Bengalensis. 



G. variegata, D'Orbigny. = Corb. limosa. 



C. violacea, Lamarck. = B. violacea. 



C. Woodiana, Lea. = Corb. Woodiaria. 



Genus SPHJERIUM, Scopoli. 

 Scopoli, Introduct. 397, 1777. 

 Ghama, d' Argenville, Hist. Nat. Lithol. Conchyl. 368, 374, 



pi. xxxi, No. 9, 1742. 

 Tellina, Linngeus, Linn. Syst. Nat. x, edit. I, 678, 1758. 

 Cardium, Dacosta, Brit. Conch. 173, pi. xiii, f. 2, 1778. 

 Gyclas, Bruguiere, Encycl. Meth. pi. 301, 1792. 

 Nux, Humphrey, Mus. Calonn. 59, 1797. 

 Musculium, Link., Coll. Univ. Bostock. pt. iii, 151, 1807. 

 Cornea, Megerle, Mag. Gesell. Naturf. Berlin, v. 56, 1811. 

 Corneocyclas, Ferussac, Diet. Sci. Nat. xii, 277, 1818. 

 Amesoda, Rafinesque, Ann. Gen. Sci. Phys. et Nat. v. 310, 



1820. 



