668 Bulletin American Museum of Natural History [Vol. XL VI 



larger scales on the frontal region of the head, a more fully exposed tym- 

 panum, stronger and much more divergent occipital spines, and is im- 

 mediately distinguishable from nelsoni by the absence of a postrictal spine. 



Phrynosoma schmidti Barbour 

 Phrynosoma schmidti Barbour, 1921, Proc New England Zool. Club, VII, p. 113. 

 Range. — Confined to Cedros Island. 



Phrynosoma jamesi, 1 new species 

 Plates LV and LVI 



Diagnostic Characters. — Closely allied to Phrynosoma cerroense Stejneger, 

 from which it is distinguished chiefly by the presence of a ventral lateral fringe; en- 

 larged gulars present; nostrils very large, just below the can thus rostralis; ventrals 

 smooth; temporal and occipital horns well developed; a large subrictal nearly in 

 line with the labial spines, followed by a slender postrictal spine; tympanum not 

 concealed. 



Range. — Known only from the type locality. 



Type.— U. S. N. M. No. 64450; 9 ; San Bartolome Bay, Lower California; 

 H. Townsend; 1911. 



Description of Type. — Habitus rather narrow, probably similar to that of P. 

 cerroense; head small, snout very obtuse, truncate in profile; tail round; nostril 

 very large, just below the line of the can thus rostralis; ear opening not closed; super- 

 ciliary angle not produced; temporal region little expanded, with four spines, of 

 which the two middle ones are in contact; the last temporal spine about half the 

 length of the occipital; two occipitals, straight, somewhat grooved at the base; a 

 low tubercular spine between the occipitals; scales of front smaller than in helleri 

 or coronatum, rugose; no connecting ridge between the superciliary angles; a trans- 

 verse series of four low conical scales in front of the occipital spines; five infralabials, 

 the last largest, followed after an interspace by the somewhat larger subrictal, which 

 is very nearly in line with the labials; a small, slender postrictal spine; two lateral 

 groups of tubercular scales on the neck, but no spines; three or four rows of enlarged 

 gulars on each side ; irregular rows of widely separated, flat, keeled scales on the back ; 

 vertebral line covered with smaller, flat, keeled scales; tail with two dorsal rows of 

 spines and a lateral row on each side; two lateral fringes of spinose scales, the lower 

 one much smaller than the upper; ventral scales flat, smooth; femoral pores 17-17. 



Grayish above, with two obscure nuchal marks; venter with a few scattered 

 brown spots. 



Measurements of Type. — Total length, 120 mm.; body, 86 mm.; tail, 34 mm.; 

 foreleg, 34 mm.; hind leg, 46 mm.; snout to tip of occipital horn, 24 mm.; greatest 

 breadth of head, 24 mm. 



Notes on Paratypes. — The single paratype, A. M. N. H. No. 5497, agrees 

 excellently with the type; the last temporal spines are somewhat longer, and are 

 curved upward. The back is marked with large brown spots, two elongate nuchal 

 spots, a transverse series of four spots behind these, with two pairs of more obscure 

 spots between these and the base of the tail. 



Warned for Mr. Arthur Curtiss James, Trustee of The American Museum of Natural History. 



