166 AMERICAN JOURNAL 



8. Ph. Halei, Lea. 



Ph. Halei, Leca.— Proc. Acad. Nat. Sci., p. 114. 1864. 



Habitat. — Alexandria, La., (Lea,) San Felippe Springs, (Coll. 

 Tryon.) 



9. Pir. Gabbii, Trjon. 



Ph. Gabbii, Tryon.— Proc. Acad. Nat. Sci., p. 149, t. 1, f. 

 14. 1863. 



Contrib. to Conchology, vol. iii. 1805. 



Habitat. — Mountain Lake, San Francisco, and Santa Anna 

 River, Los Angelos Co., Cal., (Tryon.) 



10. Ph. vixosa, Gould. 



Ph. vinnsa, Gould. — Proc. Bost. Soc. Nat. Hist., vol. ii., p. 263. 



1847. 



Lake Superior, p. 244, t. 7, f. 10, 11. 1850. 

 Otia Conchologia. 1862. 

 Habitat. — Lake Superior, (Gould.) 



11. Ph. fragilis, Mighels. 



Ph.fragilis, Mighels. — Proc. Bost. Soc. Nat. Hist., vol. i., p. 

 49. 1841. 



Jour. Bost. Soc. Nat. Hist., vol. iv., p. 44, t. 4, f. 12. 



1842. 

 S'hells of Maine. 1843. 

 Haldeman, Monog. of Limniades, No. 6, p. 31, t. 3, f. 



11—13. 1843. 

 Morse, Pulmonifera of Maine. 

 Habitat. — Maine, (Mighels.) 



12. Ph. lata, Tryon, MS. 



Habitat. — Juniata River, Hollidaysburg, Penna., (Tryon.) 



13. Ph. humerosa, Gould. 



Ph. humerosa, Gould. — Appendix to Blake's Geological 

 Report, p. 23. 1855. 



Explorations and Surveys, vol. v., p. 331, t. 11. f. 1 — 5, 



1857. 

 Proc. Bost. Soc. Nat. Hist., vol. v., p. 128. 1858. 

 Habitat. — Colorado Desert, Pecos River, (Gould.) 



