54 THE NAUTILUS. 



should certainly be high as a dollar each. The next day they raised 

 it to $3 and before we parted they said, taking the rarity and beauty 

 of the shell and the difficulties of finding it all into consideration, the 

 price should be $5 and railroad fare paid to the spot. Our experi- 

 ence at Andrews would tend to lower this price, but Andrews is 25 

 miles from civilization, the miles are wild ones, and whoever starts 

 out to hunt ferrissi on speculation, I still believe will earn his 

 money. 



118. Poly, paliiata (Say). Cade's Cove, Russell Field, Chamber's 

 Creek, Tuskeegee Creek, Slick Rock Creek, Talassee Ford. 



119d. Poly, appressa periyrapta (Pils.) all along the route. 



121. Poly, clarki ( Lea). General in deep coves but sparingly, 

 18mm. 



123a. Poly, andrewsce normalis n. var. (I 3 ils.). Mr. Pilsbry has 

 added two varieties to andreirsce and some day there may be others. 

 Those on Thunderhead (altivaga) approached the small, thin, green- 

 ish, smoky type, but many are banded. They measure 22 to 24 

 diameter. The types I have from Roan Mountain are 20 to 23. 

 Normalis finds its way to the lower altitudes, 1,000 ft., and appar- 

 ently thrives as well as upon Mirey Ridge or Bobs Bald, and it is 

 quite generally distributed Cade's, Welsh Bald, Chamber's Creek, 

 Tuskeegee, Yellow Creek, Slick Rock, Citico Creek and Talassee 

 Ford. It has been white or russet colored so far, and the largest 

 with the highest spires were found on Mirey Ridge at an elevation 

 of 4,500 and on Citico Creek at 3,000. The largest measures 40 

 mm. diameter, 25 altitude (Citico), 38| diameter, 24 altitude 

 (Mirev). Usually 31 to 35 diameter, occasionally with a small tooth 

 on parietal wall. Sociable and active. The best traveler in the 



range. 



123b. Poly, andrewsce ultivaga (Pils.). n. var. Thunderhead, 

 Mirey Ridge, Clingman's Dome, Andrew's Bald. We did not find 

 this after leaving this range, and it was always at the mountain top 

 or the nearest basswood and buckeye belt, under stones or moss. On 

 Mirey Ridge only, it occupies the same territory with normalis, but 

 not often found in the grass or in the open. Unless further divided 

 its colors are white, greenish or smoky white, cherry red. and both 

 colors sometimes banded with a darker red band as in profunda. 

 Sometimes there is an additional line at the suture and some are half 

 and half, dark above and light below. (Mirey, N. C. side.) 22 to 



