120 
University of California Publications in Zoology [Vol. 27 
Description (based on nos. 4124 and 8258, Mus. Vert. Zool.). — 
General form slender, head moderate, limbs well developed, tail large, 
compressed; head trapezoidal or truncately oval in outline from 
above; muzzle thin, rounded at tip, overhanging lower jaw; external 
nares terminal, directed anteriorly; naso-labial groove minute; ante- 
orbital region rounded, slightly shorter than length of orbit; orbit 
moderate ; interorbital region nearly or quite equaling length of orbit ; 
temporal region swollen in adult, with median furrow extending for- 
ward to interorbital space; angle of jaw well behind posterior margin 
of orbit ; margin of upper jaw nearly straight ; lower jaw rounded or 
acutely oval in outline ; chin region flat ; gular fold conspicuous, 
extending up side of neck, and nearer insertion of fore limb than angle 
of jaw; fore limb slender; free portion of upper arm shorter than 
forearm ; palm slightly longer than wide ; digits short, blunt-ended, 
with slight webs between bases, third longest, second and fourth sub- 
equal, first very short ; body nearly straight-sided ; costal folds 12 ; 
hind limb decidedly stouter than fore limb ; femur and tibia both 
short, nearly equal in length ; sole slightly longer than wide ; toes 
short, blunt-ended, with minute webs between bases, in order of de- 
creasing length 4, 3, 5, 2, 1, innermost toe very small ; tail subquadrate 
at base, strongly compressed toward tip, with numerous vertical fur- 
rows on sides. 
Tongue cuneiform, thin, filling about two-thirds of width of mouth, 
broadly attached along midline to floor of mouth ; internal nares well 
separated, slightly inside of margin of mouth; maxillary and man- 
dibular teeth enlarged, but more slender and curved than in A. lugu- 
bris; vomerine teeth 3 (or 4) on each side, posterior to and mediae! of 
internal nares, in broadly Y-shaped arrangement, the two rows sep- 
arated medially; parasphenoid teeth in two narrow parallel patches, 
well separated medially, about 5 lengthwise rows of teeth in each 
patch. 
General coloration (in alcohol) uniform bluish black; chin, margin 
of gular fold, spots at axilla and groin, and plantar surfaces of feet, 
dull yellow; dorsal and lateral surfaces (of no. 4124) with scattered 
fine dots of white. 
Measurements of Specimens of Aneides flavipunctatus from Mendocino County, 
California 
M. V. Z. 
No. 
Sex 
Date 
Total length 
Length of tail 
Snout to gular 
fold 
Greatest width 
of head 
Orbit 
Interorbital 
space 
Fore leg 
Hand 
Axilla to groin 
* 
1 
Hind foot 
4126 1 
Nov. 10, 1912 
85 
40 
13.4 
7.0 
2.8 
2.4 
10.6 
4.7 
23 
12.5 
4.6 
4125 1 
Nov. 10, 1912 
88 
38 
13.0 
7.3 
3.2 
2.6 
11.3 
4.5 
25 
13.6 
6.0 
4124 1 
Nov. 10, 1912 
97 
40 
14.0 
8.4 
3.5 
.3.0 
12.0, 
4.7 
31 
13.3 
6.1 
8258 2 
9 
July 1, 1913 
69 3 
16.2 
10.4 
3.4 
3.4 
13.8 
.5.2 
35 
16.3 
8.8 
1 Ukiah. 
2 Laytonville. 
3 Head-and-body only. 
