[xxx. ] 



Binney, 1. c. iii., p. 20, 1857. 



W. G. Binney, Terr. Moll., iv., p. 75. 1859. 



Bland, Ann. N. Y. Lye, vii., p. 34, Dec, 



1858. 

 H. fiorulifera. Reeve. Conch. Icon., No. 699, 



Aug., 1852. No. 25. 



POLYGYRA. 



Figs. 17, 18. P. ANiLis, Gabb. American Journal of Con- 

 chology, i., p. 209, t. 19, f. 1—4, July, 

 1865. No. 1. 



"■ 19, 20, 21. P. CBREOLTis, Miihlfelt. Berlin Maga- 

 zine, viii., p. 41, t. 2, f. 18, 1816. 

 Bland, Ann. N. Y. Lye, vii., May, 1860. 

 (Part) W. G. Binney, l.'c. iv., p. 90, t. 77, f. 

 23, 1859. 

 H. septemvolva, (Part) Binney, Terr. Moll., ii., 



p. 196, 1851. No. 2. 



" 22. P. SEPTEMVOLVA, Say. Nicholson's Encyc, 

 1st Edit.; 1816. 

 (Part) Binney, 1. c. ii., p. 196, t. 38, t. 39, f. 



1, 1851. 

 Bland, Ann. N. Y. Lye, vii., May, 1860. 

 M. planorbula, Lamarck. Ann. S. Vert., vi., 



p. 89. 

 JI. cereolus, Miihlf., (Part) W. G. Binney, 1. c. 



iv., p. 90, 1859. No. 3. 



" 23. 24. P. Carpenteriana, Bland. Ann. N. Y. 



Lye, vii., May, 1860. 

 IT. microdonta, Desh. W. G. Binney, 1. c. iv., 



p. 91, t. 78, f. 23, 1859. 

 S. plana, Dunker. Phil. Icon., i., p. 51, t. 3, 



f. 11, 1845. No. 4. 



" 25. P. VOLVOXIS, Parreyss. Pfeiffer Symbolse, iii., 

 p. 80, 1846. 

 W. G. Binney, Terr. Moll., iv., p. 92, t. 78, 



f. 17, 1869. 

 JI. septemvolva var.. Bland. Ann. N. Y. Lye, 



vii., 1860. No. 5. 



" 26. P. POLYGYRELLA, Bland and Cooper. Ann. N. 



Y. Lye, vii., t. 4, f. 13—15, June. 1861. No. 7. 



