OP OONCHOLOGY. 325 



Fig.17. A. Dupetithouarsii, Deshayes. Revue Zool., 



p. 360, (1839.) No. 15. 



Binney, 1. c. iii., p. 13, (1857.) 

 W.G. Binney, 1. c, p. 15, t. 76, fig. 9, (1859.) 

 H. Oregonensis, Lea. Trans. Amer. Pbilos. 

 Soc, vi., p. 100, (1839.) 



(See also pi. 6, figs. 18, 19, 20.) 



ARIONTA. 



" 18. A. Remondi, Tryon. Proc. Acad. Nat. Sci- 

 ences, Philadelphia, p. 281, t. 2, fig. 1, 

 (1863.) No. 5. 



" 19. A. Veitchii, Newcomb, MS. No. 1. 



" 20. A. Californiensis, Lea. Trans. Amer. Philos. 



Soc, vi., p. 99, t. 23, fig. 79, (1839.) No. 2. 



Binney, 1. c. ii., p. 121, t. 6, fig. 2, (1851.) 

 H. vincta, Valenciennes, Voy. Yenus Moll., t. 

 1, % 2. 



(See also pi. 6, Jigs. 1 et seq. ) 



POLYMITA. 



" 21. P. levis, Pfeiffer. (See pi. 6, fig. 6.) 



HELICIDiE. 



Synonymy and Reference to 

 Plate 6. 



ARIONTA. 



(Plate 5, Jigs. 18 et seq.) 



1. A Kelleti, Forbes. Proc. Zool. Soc, Lon- 



don, p. 55, t. 9, fig. 2, a. 6, (1850.) No. 3. 



W.G. Binney, I.e., p. 17, t.76, fig. 12, (1859.) 



2. A. crebristriata, Newcomb. Proc. Califor- 



nia Acad. Nat. Sciences, p. 116, (1861.) No. 4. 

 (See also fig. 17.) 



