180 PHYSA. 



PHYSA. 



Synonymy and Reference to 

 Plate 8. 



Fig. 



1. Physa ancillaria, Say. Hald. Monog. 



27, t. 3, f. 1—10. 

 Binney, 1. c. 81. No. 23. 



— P. Sayii, Tappan. Am. Jour. Science, 

 XXXV, 369, t. 3, f. 3, 1839. 



Binney, 1. c. 80. 



P. ancillaria, Hald. (pars). Plate 8, 

 fig. 2. 



2. P. Warreniana, Lea. Proc. Philad. 



Acad. 115, 1864. 

 Observ. xi, 120, t. 24, f. 81. |Mo, 24. 



