76 University of California Publications tn Zoology [Vol. 27 
have escaped the attention of Baird, the costal folds are 10, not 11 as 
in Baird’s figure, and there are small white (not black) spots on the 
ventral surface. 
Range. — Ambystoma paroticum has been recorded in extreme 
southern British Columbia on Vancouver Island (Boulenger, 18826, 
p. 48), at Chilliwack Lake, at the “coal mines” [= Nanaimo], Van- 
couver Island (Cope, 1889, p. 106), and at Bella Coola and Hagens- 
borg (Patch, 1922, p. 76). In Washington it has been found at Neah 
Bay, Clallam County, at Semiahmoo, Whatcom County, and on 
“Puget Sound” (Cope, loc. cit.). The California Academy of Sciences 
has specimens from Quiniault Bay, Chehalis County, and from Mount 
Rainier, Pierce County (see also Van Denburgh, 1912c, p. 259). No 
records are at hand from Oregon. In California one adult specimen 
was taken at Requa, Del Norte County, between May 22 and 26, 1911 
(Van Denburgh, 1916, p. 216). A series of larvae taken at Fair Oaks, 
Humboldt County, August 24 to 28, 1910 (nos. 2339-41, 2344-49, 
Mus. Vert. Zool.), proves to belong to this species and constitutes the 
southernmost record to date. 
Life-history . — Practically nothing is known concerning the life- 
history of this salamander. The Requa specimen was taken in wet 
earth under a stump (Van Denburgh, loc. cit.). The larvae obtained 
at Fair Oaks were in a water reservoir. A large series of specimens 
(nos. 30004 to 30087, Calif. Acad. Sci.) taken on Mount Rainier, 
Pierce County, Washington, August 14, 1911, contains larvae of 
various sizes and in various stages of transformation. The largest 
larva measures 160 millimeters in total length; the smallest meta- 
morphosing animal is but 108 millimeters long. The larvae taken 
at Fair Oaks, California, measure 74 to 95 millimeters in total length. 
The latter undoubtedly were from eggs laid at some time during the 
spring season of the same year. 
At Bella Coola, British Columbia (Patch, 1922, p. 76), larval 
forms were taken in “flood puddles.” On June 10, 1918, larvae 44 
millimeters in length were collected which had the “dorsal-dermal 
border” (dorsal fin) extending forward to the base of the skull. 
Specimens taken August 10 measuring 63 millimeters in length had 
lost the dermal border and only the scars of the gills remained. 
