84 AMERICAN SPECIES OP VERTIGO. 



Naut. xxii, 104 (Albuquerque, N. M.). BERRY, Naut. xxiv, 

 63 (Unity, Me.) ; xxix, 125 (Winnecook, Mont. ) .WHEELER, 

 Naut. xxv, 124 (Monte Sano, Madison Co., Ala.). GREEGER, 

 Naut. xxix, 89 (Payne Co., Okla. ) . OVER, Naut. xxix, 91 

 (Deuel and Clay Co., S. Dak.). DANIELS, 27th Ann. Rep. 

 Dep. Geol. and Nat. Res. Indiana, 1902, p. 632 (Kosciusko 

 and Steuben counties, Dunreith, Arlington, Lawrenceburg 

 and Indianapolis, Ind.). J. HENDERSON, Univ. of Colo. 

 Studies iv, p. 171, fig. 9 (Twin Lakes and Saguache, West 

 Cliff, Trinidad, and V. o. antiquorum CklL, Grape Creek, 

 Colo.). JOHNSON, Fauna of New England 13, 1915, p. 215 

 (all New England states). DALL, Land and Fresh Water 

 Mollusks, Harriman Alaska Exped. xiii, 1905, p. 32 ("Ungava 

 Bay, Labrador! Victoria, British Columbia! St. Paul, Kadiak 

 I. ! Alaska ; Tigalda Island, Aleutian chain ! Laggan, Alberta, 

 Manitoba"). 



Pupa ovata Say, GOULD, Boston Journ. Nat. Hist, iv, 1843, 

 p. 350, pi. 16, f. 7, 8. PFR., Monogra. ii, p. 360. v. MARTENS, 

 Biol. Centrali Amer., Mollusca, p. 327. Isthmia ovata Say, 

 MORSE, Journ. Portland Soc. N. H., i, 1864, p. 38, f. 93; pi. 

 10, f. 94. 



Zonites upsom CALKINS, Valley Naturalist ii, Dec., 1880, p. 

 53, fig. . Cf. W. G. BINNEY, Suppl. to Terr. Moll. V, Bull. 

 M. C. Z. xi, no. 8, Dec., 1883, p. 149, pi. 1, f. L (immature 

 stage). 



Pupa ovata forma nov. antiquorum COCKERELL, Zoe ii, 

 April, 1891, p. 18. 



In the collection of the Academy V. ovata is present from 

 Prince Edwards Island, Quebec and Ontario, through all the 

 eastern states south to the Potomac, and west of the Alle- 

 ghanies south to Alabama and Galveston, Texas; through all 

 of the northern states west to Montana and Colorado ; also in 

 the Rio Grande Valley, south to Mesilla, New Mexico; in 

 southern Arizona near the Mexican boundary in the Huachuca 

 Mts., and westward to Tempe and Jerome. It is, however, 

 decidedly local in Arizona and New Mexico, and except in 

 the Huachucas, the specimens are from stream debris, per- 

 haps always washed from greater elevations than the places 



