Calaveras County south through the foothills of the Sierra 

 Nevada Mountains to Tehachapi, west to San Luis Obispo 

 County, south to Baja California Boundary. 



Head of Bell's Canon; Simi Hills (H. Hannibal) ; Smael s 

 Ranch one mile above ocean, Temescal Canon, Santa Monica 

 (II Hannibal); (iabriel (Miss C. Soper) fide Soper; Arroyo 

 Seco, Pasadena (Miss C. Soper) fide Soper; San Pedro (D. 

 Arnold), (J. G. Cooper) fide Newcomb. 



Mentone (S. S. Berry) fide Berry; Highland (S. S. Berry) 

 fide Berry; Arrowhead Hot Springs (S. S. Berry) fide Berry; 

 San Bernardino (R. H. Tremper, S. S. Berry) fide Berry; On- 

 tario (R, H. Tremper) fide Berry; southeast of Ontario, seven 

 miles from foothills (R. H. Tremper) fide Berry; 2,500 feet, 

 Frankish Canon (R. H. Tremper) fide Berry; mouth of Stod- 

 dard's Canon (R. H. Tremper) fide Berry; Temescal Canon, 

 three miles north of Elsinore (J. S. Hook) ; San Jacinto Valley 

 (H. Hemphill) fide Hemphill. 



San Diego (J. G. Cooper) fide Newcomb, (H. Hemphill) fide 

 Binney, (Mexican Boundary Survey) fide Dall, (E. W. Roper) ; 

 Pamoosa Canon, fifteen miles north of Escondido (F. W. Kel- 

 sey) fide Kelsey; Spring Valley, one mile north of S. V. Post 

 Office (II. Hannibal) ; El Nido (Mexican Boundary Survey) fide 

 Dall; Santee (C. W. Gripp) ; La Jolla (C. W. Gripp) ; Mission 

 Valley (C. W. Gripp) ; San Buenaventura, fide Binney; "near 

 Mexican Boundary" (C. R. Orcutt) fide Cooper; Nachoguero 

 Valley, near California Boundary (Mexican Boundary Survey) 

 fide Dall. 

 Vallonia pulchella (Miiller). 



Fig. ; Binney, Manual, 1885, p. 77, fig. 39. 



Strongly eostate specimens are frequently distinguished 

 under the name of V. costata, Muller. This form occurs 

 throughout the range of V. pulchella, and is present in large 

 series from almost any point, Its separation seems to he more 

 or less arbitrary. 



Upper Sonoran. 



North America north of Mexico. Europe, Siberia. 



Los Angeles (R. E. C. Stearns) fide Stearns; Redlands 

 (S. S. Berry) fide Berry; near San Gorgonio Pass, San Ber- 

 nardino Mountains (C. D. Voy) fide Cooper; Julian City (H. 

 Hemphill) fide Hemphill; old gold mines, Cuyamaca Moun- 

 tains (II. Hemphill) fide Cooper. 

 Thysanophora ingorsolli (Bland) 



Fig. ; Microphysa ingorsolli Binney, Manual, 1885, p. 170, 

 fig. 160. 



The following record, though barely on the edge of the 

 present area, carries the southwestward. distribution of this 

 species several hundred miles beyond its known range. It 

 may be expected to turn up at other points in the more ele- 

 vated portions of the San Bernardino Mountains. (See 

 figure 2.) 



56 



