146 MR. a. A. BOULKNGKR 0\ LIZARDS 



/Si/noj)sis of the Species. 



I. Doi'sal plates smooth or very feeblj^ toeled; iiitevpavietiil usually absent or 



separated from the occiyiital bj- the parietals meeting in the middle ; usunUy 

 4 upper labials anterior to the subocular; 11 to 15 femoral pores on each side. 



30 to 42 dorsal jjlates and scales across the middle of the 

 body ; hind limb not reaching the ear; foot \\ to If 

 times length of head P. 'spinalis Peters. 



28 or 30 dorsal plates and scales across the middle of the 

 body; hind limb reaching the (iar ; foot If times 

 length of head P phillipsii ^\gv. 



I I. Dorsal plates more or less strongly, rarel}' feebly keeled ; interparietal in contact 



with the occipital or separated from it by a small shield; usuallj' 5 upper 

 labials anterior to the subocular. 



38 to 42 dorsal plates and scales across the middle of the 



body ; 12 to 14 large Iceeled scales in a transverse 



series between the hind limbs; supraoculars in con- 

 tact with the frontal ; 29 to 34 gular scales in a 



longitudinal series ; 14 to 16 femoral pores on each 



side ; 33 to 35 lamellar scales under the fourth toe. . P. neumanni Matscli. 

 33 to 40 dorsal plates and scales across the middle of the 



body ; 12 to 18 lai-ge keeled scales in a transverse 



series between the hind limbs ; supraoculars in con- 

 ■ tact with the frontal; 21 to 28 gular scales in a 



longitudinal series ; 12 to 18 femoral pores on each 



side; 24 to .30 lamellar scales under the fourth toe. . P. intermedins BJgr. 

 24 to 30 dorsal plates and scales across the middle of the 



body; 8 keeled plates in a transverse series between 



the hind limbs; supraoculars usually separated from 



the frontal by a series of granules ; 25 to 28 gular 



scales in a longitudinal scries ; 11 to 13 femoral 



pores on each side; 25 to 31 lamellar scales under 



the fourth toe P. Jmrdec/fferi Stdr. 



1. Philochortus spistalis. (PI. I. figs. 1,2.) 



Lacerta spinalis Peters, Mon. Berl, Ac. 1874, p. 369, pi. — . 

 fig 2. 



Latastia spinalis Bouleng. Cat. Liz. iii. p. 57 (1887) ; Stejneg. 

 Proc. U.S. Nat. Mns. xvi. 1894, p. 717; Bouleng. Ann. Miis. 

 Genova, (2) xvi. 1896, p. 551 ; Tornier, Zool. Jahrb., Syst. xxii. 

 1905, p. 375 ; O. Neumann, t. c. p. 395. 



Head and body feebly depressed. Head Ig to If times as long- 

 as broad, its depth equal to the distance between the anterior 

 corner of the e3^e and the tj'mpanum, its length 4 to 4-| times in 

 length to vent ; snout obtusely pointed, as long as postocular part 

 of head, with obtuse canthus. Pileus twice as long as broad. 

 Neck as broad as the head or a little narrower. Hind limb 

 i-eaching the shoulder .or between the shoulder and the ear in 

 males, the axil or the shoulder in females; foot 1|- to 1| times 

 as long as head ; toes slender, feebly compressed. Tail 2 to 

 2^ times as long as head and body. 



Nostril pierced between 3 shields ; nasals forming a suture 

 behind the rostral, the suture |^ to f the length of the fronto- 

 nasal, which is much broader than long and broader than the 

 internarial space ; prsefrontals forming a short median suture ; 

 frontal as long as its distance from the end of the snout, l.^ to 



