42 THE NAUTILUS. 



The writer is indebted to Mr. G. H. Clapp for identifica- 

 tions and notes on material submitted to him. All the mol- 

 lusks listed are in the Museum, of Zoology, Catalog Nos. 10331 

 to 10463 inclusive. 



LIST OF SPECIES WITH NOTES ON HABITAT. 



Polygyra albolabris (Say). Rich Mountain, Pigeon Gap 

 Trail, Pink Beds. On the ground, on dead wood, on white 

 oak and maple trees as high as twelve feet from the ground. 

 6 specimens. 



Polygyra, andrewsae normaUs Pilsbry. Pigeon Gap Trail, 

 Wagon Gap Trail, Asheville Road at about 4000 ft. altitude. 

 Crawling on the ground, on dead leaves; along the road, 

 under boards on a saw-dust pile, on maple and oak trees as 

 high as twelve feet from the ground, on a clay bank along 

 the road. 40 specimens. 



Polygyra christyi (Bland). Pink Beds, Bennett Gap Road, 

 Rich Mountain. In woods on a north slope, on the ground, 

 on dead wood. 4 specimens. 



Polygyra clarkii (Lea). Rich Mountain, south of the Pink 

 Beds, Davidson River. In decayed log, on clay bank along 

 log railroad, in river debris. 3 specimens. 



Polygyra hirsuta altispira Pilsbry. Rich Mountain, Ben- 

 nett Gap Road, Wagon Gap Trail, Pink Beds. Under oak 

 logs, in forest debris, under old beech log. The species seems 

 to prefer dark habitats, under rather than on logs and stumps. 

 21 specimens. 



Polygyra wheatleyi (Bland). Pink Beds, Chubb Gap Trail, 

 Pigeon Gap Trail, Rich Mountain, Wagon Gap Trail. On the 

 ground above a spring, near a brook, on dead wood and in 

 debris. 8 specimens. 



Polygyra rugeli (Shuttleworth). Pink Beds. One speci- 

 men only, taken in woods on a north slope. 



Polygyra zaleta (Biuney). Pigeon Gap Trail. One speci- 

 men only, taken on leaves along the trail. 



Circinaria concava (Say). Asheville Road, Rich Mountain, 

 Pink Beds. On clay bank beside the road, on leaves on the 

 ground. 4 specimens. 



