THE NAUTILUS. 59 
28b. EpIPHRAGMOPHORA TRASKI CUYAMACENSIS Hemp. Cuya- 
maca Mt., San Diego Co. 
28c. EpIPHRAGMOPHORA TRASKI TULARENSIS Pilsbry. Fraser’s 
Mills, Tulare Co. 
29. EPIPHRAGMOPHORA CARPENTERI (Newc.). Coronado Is., 
and vicinity of San Diego, Cal. Probably a subspecies of E. traski. 
Original locality, “Tulare Valley,” perhaps erroneous. 
30. EPIPHRAGMOPHORA INDIOENSIS (Yates). Indio, Riverside 
Co., Cal. 
31. EPIPHRAGMOPHORA ROWELLIT (Newc.). Fort Grant, Ari- 
zona. 
32. EPIPHRAGMOPHORA ARIZONENSIS Dall. Banks of Santa 
Cruz River, Tucson, Arizona. 
33. EPIPHRAGMOPHORA MAGDALENENSIS (Stearns). Johnson 
Canvon, near the Panamint Valley, and near Resting Springs, 
Southern California. Also State of Sonora, Mexico. 
34. EPIPHRAGMOPHORA HACHITANA Dall. Fort Huachuca, 
Huachuca Mts. and Tucson, Arizona; below San Quentin, Lower 
California ; Peloncello Mts., top of Hachita Grande Mt., Grant Co., 
near Carrizollilo Springs, New Mexico; and at some adjacent local- 
ities south of the international boundary. 
30. EPIPHRAGMOPHORA COLORADOENSIs (Stearns). Grand Can- 
yon of the Colorado River, Arizona, opposite the Kaibab plateau, 
elevation 3,500 feet; also Inyo and San Diego Cos., Cal. 
36. EpIPARAGMOPHORA ARROSA (Gld.). Coast counties from 
Humboldt to Santa Cruz. 
36a. EPIPHRAGMOPHORA ARROSA f. holderiana Cooper. E. side 
San Francisco Bay. 
36b, EpIPHRAGMOPHORA ARROSA f. stiversiana Cooper. Marin 
Co. 
36c. EpIPHRAGMOPHORA ARROSA f. marinensis Pils. Marin Co. 
36d. EPIPHRAGMOPHORA ARROSA EXPANSILABRIS Pils. Hum- 
boldt Co., near Eureka. 
37. EPIPHRAGMOPHORA EXARATA (Pfr.). Santa Cruz Co. to 
Marin Co., Cal. Probably intergrades completely with the preced- 
ing. 
38. EPIPHRAGMOPHORA CONTRACOST# Pilsbry. Byron Hot 
Springs, San Pablo, and Pt. Isabel, Contra Costa Co.; Nachoguero 
Valley. (Epiphragmophora Arnheimi Dall is the same). 
39. EpIPHRAGMOPHORA CALIFORNIENSIS (Lea). Monterey, Cal. 
39a. EPIPHRAGMOPHORA CALIFORNIENSIS NICKLINIANA (Lea). 
Santa Cruz Co., north (? to Mendocino Co.). 
