184 BULLETIN 34, UNITED STATES NATIONAL MUSEUM. 



getber. It is siibcylindrical, somewhat compressed, and tapering at 

 the end. Ita upper and lower edges are rounded* 



The limbs are slender, the posterior ones a little longer and stouter 

 than the anterior. When the former are brought forward and the latter 

 backward alongside the body the toes of either slightly overlap the 

 other. The toes themselves are slender, entirely free, and terminated 

 by a callous, disk-like expansion, resembliugin that respect some Annr;i. 

 The anterior inner toe is quite small; the third is the longest; the sec- 

 ond nearly equal in size to the fourth ; the second and fourth are nearly 

 equal. 



The skin appears quite smooth; when examined under the micro- 

 scope, however, it is found to contain a net-work of minute irregular 

 stelliform pores, each Stella having a hollow or clear center or mouth. 



The color, as preserved on specimens in alcohol, is of a uniform light 

 brown above and light yellow ben^th. The sides, and frequently the 

 upper surfaces, are marked with small irregular yellow spots. 



Fig. M. Autodaxluffubris. No. 4047. Petaluma, Cal.; |. 



Measurements, in inches. 



Inches. 



LeDgtli, axial, from suout to orbit 2 



Lengtbj axial, from snout to rictus oris 5 



Length, axial, from snout to axilla 1. 18 



Length, axial, from snout to groin 2.63 



Length, axial, from snout to end of vent 3. 13 



Length, axial, from snout to end of tail 2. G3 



Length of forc-linib 85 



Length of hind limb 1 



Length of fore-foot ^ 28 



Length of hind foot 4 



Width of hind-foot sole .33 



Width of head at rictus oris 7 



Width of body at middle 51) 



Width of body at sacrum .41 



The range of this species is limited, embracing only middle California. 

 It is, however, not rare in that region. 



