CATALOGUE 



OP THE 



By T. a. CONRAD. 



Family MACTKIDiE, 



Genus RANGIA, Desmoulins. 

 Bull. Soc. Linn. Borcl, t. v. p. 48, Febr. 1832. 



1. R. Cyrenoides, Desmoulins, Act. Lin. Soc Bord., iv. 58, 



i«au. 



Gnathodon cuneata, Gray, Mag. Nat. Hist., 376, f. 34, 1837. 



Florida^ Alabama. 



2. R. flexuosa, Conrad, Amer. Journ. Sci., 0. S. xxxviii. 92. 



18o9. Florida. 



3. R. parva, Petit, Journ. de Conch., iv. 358, 1853. 

 Criiathodun parvum, Petit, Jour. Conch., iv. 358, 1853. 



3Ioreto7i Bay, Australia. 



4. R. rostrata, Petit, Jom-n. de Conch., iv. 84, pi. 6, f. 1, 2, 



3, 1853. Florida. 



• Sub-genus RANGIANELLA, Conrad.* 



6. R. trigona, Petit, Journ. de Conch., iv. 84, pi. 6, f. 13, 14, 

 15, 1853. 

 Gnathodon trigoniim, Petit, Journ. Conch., iv. 84, 1853. 



llazatlan. 



* Lateral teeth straight, subequal, not elongated, entire. 



