The identification is unquestionably erroneous. It was proba- 

 bly based on a specimen of E. traski. 



Epiphragmophora gabbi (Newcomb). 



Fig.; Arionta gabbi Binney, Manual, L885, p. 148, tic-. 129- 

 131. 



Syn. ; Helix facta Newcomb, Proc. Cal. Acad. Sci., Ill, 1864, 

 p. 118; Helix tenuistriata Binney and Bland, L. and F. W. 

 Shells X. Am., I, 1869, p. 75, fig. 305 (not of A. Binney. 1842) ; 

 E. catalinae Dall, Proc. Phila. Acad. Nat. Sci., 1900, p. 103; 

 Helix var. feralis Hemphill, Naut, XIV. 1!)()1. p. 121. PI. I. fig. 2. 



I Fpper Sonoran. 



*San Clemente Island (-1. <i. Cooper) fide Newcomb, (II. 

 Hemphill) fide Hemphill, (Mexican Boundary Survey) fide 

 Dall; Santa Barbara Island (J. (i. Cooper) tide Xewcomk (II. 

 Hemphill i fide Ball: Santa Catalina Island (II. Hemphill) fide 

 Binney: San Nicholas Island (J. G. Cooper) fide Newcomb. 

 Epiphragmophora gabbi rufocincta (Newcomb ). 



Pig.; Arionta ruficincta Binney, Manual, 1885, p. 147, fig. 

 12S ; E. ^luicr arionta) guadeloupiana Dall. Proc. Phila. Acad. 

 Nat. Sci.. 1900, p. 101, PI. VIII, fig. 14-1."). 



Distinguished from gabbi by its usually larger size, more 

 depressed form and broad rather than subperforate or closed 

 umbilicus, [ntergrading forms are frequent. 



*Santa Catalina Island (J. G. Cooper) fide Newcomb, (IT. 

 Hemphill) fide Hemphill. Guadeloupe Island, lat. 29 deg. (E. 

 rainier, (i. W. Dunn) fide Binney, (A. W. Anthony, Snod^rass 

 and Heller i fide Dall. 

 Epiphragmophora intercisa (W. G. Binney) 



Fig.; Arionta intercisa Binney, Manual, 1885, p. l:i7, fig. 

 114, 115. 



Syn.; Helix crebristriata Newcomb, Proc Cal. Acad. Sci., 

 III. 1864, p. 116; H. redimita \V. G. Binney, Proc. Phila. Acad. 

 Xat. Sri., 1857, p. 183. 



Varieties elegans Hemph., nepos Elemph., albida Hemph., 

 minor Hemph., callojunctis Pils., castanea Humph, and hybrida 

 Hemph. have been distinguished on the basis of size, develop 

 nient of sculpture, and color. These are probably of the nature 

 of fluctuating rather than mutational variations. 



Reported, doubtless erroneously, from Santa Cruz Island by 

 Pilsbry. 



S;m Clemente Island (.1. G. Cooper, \V. Newcomb, II. 

 Hemphill) fide Binney, (Mexican Boundary Survey) tide Ball, 

 i P. II. Tremper), (II.' Lowe). 

 Epiphragmophora kelletti ( Forbes i . 



Fig.; Arionta kelletti Binney, Manual. 1885, p. 14!). fig. 132. 



Syn. : Helix stearnsiana C abb. Am. .lour. Conch.. III. 1867, 

 p. 235, PI. XVI, tie'. 1 ; E. (var.?) Clementina Ball, Proc Phila. 

 Acad. Xat. Sci.. 1900, p. 103; E. Orcutti Dall, Loc. cit. p. 104, PI. 

 VI 1 1, fiu-. P). 



