138 University of California Publications in Zoology (Vou. 17 
4, 1905, p. 16). Oceurs chiefly within the Upper Sonoran life-zone, 
though entering Transition and upper edge of Lower Sonoran }oeally. 
Found in rotten logs, in damp masses of dead vegetation, beneath 
rocks on shaded slopes, and in rodent burrows in the ground. (See 
fig. 3.) 
Family AMBYSTOMIDAE 
Ambystoma tigrinum (Green) 
Tiger Salamander 
OrieInAL Description.—Salamandra tigrina Green, Journ. Acad. 
Nat. Sei. Phila., 5, 1825, pp. 116-118, pl. 25, fig. 7. 
Typr Locaniry—Near Moorestown, New Jersey. 
Synonyms.—Ambystoma tigrinum, part; Ambyostoma califor- 
niense Gray, Proe. Zool. Soe. Lond., 21, 1853, p. 11, pl. 7 (type from 
Monterey) ; Ambystoma tigrinuwm califormense; Ambystoma mavor- 
tium californiense; Ambystoma mavortium; [?] Ambystoma ingens; 
[?] Heterotriton ingens; Amblystoma californicum. 
Common Names.—California Axolotl; California Salamander. 
Rancu.—tThe west-central part of the state, where known from the 
following localities: Galt, Sacramento County; Ripon, San Joaquin 
County; and Mount Hamilton, Santa Clara County (Storer, Copeia, 
no. 24, November, 1915, p. 56); Monterey, Monterey County (as 
above); Fresno, Fresno County; Fort Tejon. Kern County; and 
Petaluma, Sonoma County (Cope, U. 8S. Nat. Mus. Bull., 34, 1889, 
pp. 85-86). These loealities lie in the Upper Sonoran life-zone, save 
for Fresno, which is in the Lower Sonoran, and Monterey, which is 
in Transition. Inhabits burrows of rodents in open country. (See 
fig. 1.) 
Ambystoma macrodactylum Baird 
Long-toed Salamander 
OrIGINAL DeEscripTiION—Ambystoma macrodactyla Baird, Journ. 
Acad. Nat. Sei. Phila., ser. 2, 1, 1850, p. 292. 
Type Locaniry.—Astoria, Oregon. 
Common Name.—F lat-footed Salamander. 
Rance.—High northeastern section of the state, with record 
stations as follows: ‘‘California’’ (Boulenger, Cat. Batr. Brit. Mus., 
ed. 2, 1882, p. 48) ; near Medicine Lake, 6500 feet altitude, Siskiyou 
