1897.] 



LIZARDS OF THE GENUS SCEIiOPORUS. 



491 



The adpressed hind limb reaches the shoulder or the ear ; tibia, 

 in the adult, a little longer than the shielded part of the head ; the 

 distance between the base of the fifth toe and the extremity of 

 the fourth exceeds the distance between the end of the snout 

 and the ear. 2 to 17 femoral pores on each side. 



Caudal scales as large as dorsals, strongly mucronate. Males 

 with enlarged postanal scales. 



A. Femoral pores 2-5 on each side ; auricular scales not much 

 longer than broad. 



B. Femoral pores 7-10 ; auricular scales not much longer than broad. 



Presidio, Sinaloa. Forrer 

 tt jt 



ji »> 



ji JI 



it 71 



)» J> 



»» J> 



Guanajuato. Duges 



it >t 



^ »j )j 



Altisco. Boucard 



Puebla. „ 



Mexico. ,, 



S. Mexico. Godman 



California (?) 



1. 



106 

 102 

 83 

 89 

 77 

 77 

 70 

 78 

 96 

 82 

 59 

 99 

 85 

 73 

 95 



2. 



21 

 21 

 18 

 19 

 17 

 17 

 16 

 16 

 18 

 16 

 13 

 18 

 16 

 15 

 18 



3. 



24 



24 

 20 

 21 

 19 

 19 

 18 

 18 

 20 

 18 

 14 

 20 

 18 

 16 

 19 



4. 



23 



22 

 19 

 20 

 18 

 18 

 16 

 18 

 21 

 19 

 13 

 20 

 19 

 16 

 20 



29 

 28 

 24 

 24 

 22 

 22 

 21 

 23 

 25 

 21 

 16 

 24 

 23 

 21 

 25 



6. 



30 



28 

 27 

 27 

 30 

 29 

 27 

 29 

 30 

 28 

 29 

 28 

 29 

 25 

 29 



6 



6 



6 



6 



6 



6 



5i 



5 



5 



6 



5 



5 



6 



6 



8. 



36 

 36 

 34 

 36 

 36 

 36 

 37 

 36 

 40 

 35 

 40 

 40 

 38 

 36 

 38 



9-8 

 8-8 

 9-10 



10-10 

 9-9 



10-10 

 9-10 

 9-9 



10-7 

 9-9 



10-10 



10-10 

 8-8 

 8-7 

 9-10 



C. Femoral pores 11-13 ; auricular scales-not much longer 



than broad. 



cJ. Fort LoweU, Arizona. Gilbert... 



H- • )» )) jj ••• 



(j*. Mexico 



$. California (?) 



