8 



HEKPETOLOGY. 



Fig. 17, the head, viewed from above; and, 

 Fig. 18, a front view of the same region. 

 Fig. 19, the left hand, seen from above. 

 Fig. 20, exhibits a group of dorsal scales ; 

 Fig. 21, a group of abdominal scales. 

 Figs. 17-21, are somewhat magnified. 



PLATE XX. 



Fig. 1, represents Sceloporus gracilis, size of life. — p. 386, 



Fig. 2, is an under view of the same individual. 



Fig. 3, a profile view of the bead. 



Fig. 4, the head, seen from above; 



Fig. 5, a front view of the same. 



Fig. 6, the left hand, seen from above. 



Fig. 7, the interfemoral and cloacal regions, with the posterior 

 left limb, from beneath. 



Fig. 8, a group of dorsal scales. 

 Fig. 9, a group of abdominal scales. 

 Figs. 3-9, are somewhat magnified. 



Fig. 10, represents the profile of the male sex of Batrachosoma 

 coronatum, size of life. — p. 400. 



Fig. 11, is a view from above ;, and, 



Fig. 12, a view from beneath of the same specimen. 



Fig. 13, being a front view of the head. 



PLATE XXI. 



Fig. 1, represents a side view of the female sex of Tapaya 

 douglassi, size of life. — p. 397. 

 Fig. 2, is an upper view ; and, 

 Fig. 3, an under view of the same specimen- 

 Fig. 4, a front view of the head. 



Fig. 5, the thighs and postanal region of the male sex. 

 Fig. 6, represents the female sex of Phrynosoma cornutfm, in 

 profile and size of life. — p. 403. 

 Fig. 7, is a dorsal view ; and, 

 Fig. 8, a view from beneath, of the same specimen. 

 Fig. 9, exhibiting a front view of the head. 



PLATE XXII. 



Fig. 1, represents Elgaria grandis, size of life. — p. 213. 

 Fig. 2, exhibits the inferior surface of the same animal. 

 Fig. 3, the head, seen from above. 

 Fig. 4, front view of the head. 

 Fig. 5, the left hand, from above. 

 Fig. 6, a group of dorsal scales. 



Fig. 7, a portion of the granular zone, taken upon the middle 

 region of the flank. 



Fig. 8, abdominal shields, from the middle region of the abdo- 

 men. 



Figs. 5-8, being somewhat magnified. 



Fig. 9, represents Elgaria principis, size of life. — p. 214. 



Fig. 10, the same specimen, seen from beneath. 



Fig. 11, the head, from above. 



Fig. 12, a front view of the head. 



Fig. 13, the left hand, from above. 



Fig. 14, a group of dorsal scales. 



Fig. 15, a portion of the granular zone, taken upon the middle 

 region of the flank. 



Fig. 16, a group of abdominal shields. 

 Figs. 11-16, are somewhat magnified. 



PLATE XXIII. 



Fig. 1, represents- Elgaria scincicawda, size of life. — p. 210. 



Fig. 2, is a view of the inferior region of the same. 



Fig. 3, represents the head, seen from above. 



Fig. 4, is a front view of the same region. 



Fig. 5, exhibits the left hand, from above. 



Fig. 6, the left foot, from above also. 



Fig. 7, a group of scales from the dorsal region. 



Fig. 8, is a portion of the granular zone, taken upon the middle 

 region of the flank. 



Fig. 9, abdominal shields, from the middle region of the abdo- 

 men. 



Figs. 5—9, are somewhat magnified. 



Fig. 10, represents Elgaria Formosa, size of life. — p. 206. 



Fig. 11, is a view of the inferior region of the same. The por- 

 tion of the tail represented by a mere outline being missing. 



Fig. 12, represents the head, seen from above. 



Fig. 13, is a front view of the same region. 



Fig. 14, exhibits the left hand, from above. 



Fig. 15, is intended to give a correct idea of the structure and 

 shape of the dorsal scales. 



Fig. 16, is- a portion of the granular abdominal zone, taken upon 

 the middle region of the flank. 



Fig. 17, represents some of the abdominal shields, from the 

 middle region of the abdomen. 



Figs. 14-17, are somewhat magnified views-. 



PLATE XXIV. 



Fig. 1, represents Lacerta maderensis, size of life. — p. 200. 

 Fig. 2, is a view of the upper surface of the head. 

 Fig. 3, a profile ; and, 



Fig. 4, a view from beneath, of the same region. 



Fig. 5, exhibits the left hand, from above ; 



Fig. 6, the same hand, from beneath. 



Fig. 7, is a group of dorsal scales. 



Fig. 8, is intended to show the abdominal scutellae. 



Figs. 2-8, are somewhat magnified. 



Fig. 9, represents Diplodactylus vittatus, size of life.— p. 297. 



Fig. 10, is an upper view of the head ; 



Fig. 11, its profile ; and, 



Fig. 12, an under view of the same region. 



Fig. 13, is the left hand, from above ; 



Fig. 14, the same hand, from below. 



Fig. 15, a group of dorsal granules; 



Fig. 16, a group of abdominal scales. 



Figs. 10-16, are somewhat magnified. 



Fig. 17, represents Doryura yulpecula, size of life.— p. 286. 



Fig. 18, is an upper view of the head; 



Fig. 19, its profile ; and, 



Fig. 20, an under view of the same region. 



Fig. 21, the left hand, from above ; 



