MUSEUM OF COMPARATIVE ZOOLOGY. 185 



Patula pauper, Gould. 



See remarks under Vitrina exilis, above. 



Pupa Blandi, Morse. 



borealis, Mokelet. 



See remark under Vitrina exilis. 



The figure was drawn by me from a specimen collected at the 

 original locality. 



Pupa decora, Gould. 



-it.. •• »*•• Pupa borealis, 



HOPPII, MOLLER. enlarged. 



Vertigo Gouldi, Binney. 



Bollesiana, Morse. 



A variety Arthuri, from Dakota, is mentioned by Von Martens, Gesell. Nat. 

 Freunde zu Berlin, 21 Nov., 1882, p. 140. 

 Very near, if not identical with, V. milium. 



Vertigo simplex, Gould. 



ventricosa, Morse. 



Very near, if not identical with, V. Gouldi. 



Ferussacia subcylindrica, Linn. 



In the mountains of McDonnel Co., North Carolina, a colony of this species 

 was found by Mr. Hemphill. He found no colony of Vitrina, which might 

 be expected to exist at those high elevations. 



Succinea Haydeni, W. G. B 

 Verrilli, Bland. 

 Gronlandica, Beck. 

 Higginsi, Bland. 

 Totteniana, Lea. 



Dr. Westerlund, in the " Land- och Sottvatten-Mollusker " of the Vega Ex- 

 pedition, quoted in the Manual of American Land Shells, pp. 473, 474, also 

 catalogues from Arctic America the following species: — 



Limax hyperboreus, Westerlund. (See below, p. 205.) 

 Pupa arctica, Wall. 



columella, Benz. 

 Succinea chrysis, Westerlund. (See p. 186.) 



turgida, Westerlund. 



annexa, Westerlund. (See p. 186.) 

 Vallonia Asiatica, Nevin. 

 Pupa edentula, Drap. ? 



signata, Ms. 

 Vertigo Bollesiana, var. Arthuri. 



