OP CONCHOLOGY. 173 



********* 



60. I? SCALARIS, Jay. 



Physa scalaris, Jaj. — Catalogue of Shells, Sd Edit., p. 112, 

 t. 1, f. 8—9. 1839. 



Haldeman, Monog. of Limniades, No. Q, p. 3-1, t. 4, f. 



9. 1843. 

 Annals of N. Y. Lyceum of Nat. Hist., vol. iv., p. 170. 

 18-46. 

 (=: Young of a large species of Planorbis?) 

 Habitat, — Florida, (Jay.) 



Spurious Species. 



Ph. planorbula, DeKay. — Moll. New York, p. 76, t. 5, 

 f. 83. 1843. 



= Planorbis bicai'ifiatus, Say. (Young.) 

 Bulla fluviatilis^ Say. — Jour. Acad. Nat. Sci., ii., p. 178. 

 1821. 



= Planorbis hicarinatus, Say. (Young.) 



