CATALOGUE 



OF THE 



By T. a. CONRAD. 



Family MACTRIDiE. 



Genus RANGIA, Desmoulins. 

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



1. R. Cyrenoides, Desmoulins, Act. Lin. Soc Bord,, i^. 58, 



1830. 

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



Florida, Alabama. 



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



1839. Florida. 



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

 Gnathodon parvuin, Petit, Jour. Conch., iv. 358, 1853. 



3Ioreton Bay, Australia. 



4. R. rostrata, Petit, Journ. de Conch., iv. 84, pi. 6, f. 1, 2, 



3, 1853. Florida. 



Sub-genus RANGIANELLA, Conrad.* 



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



15, 1853. 

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



3fazatlan. 



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



