CLASS REPTILIA. 



Orbicular Lizard, or Horned Toad Lizard. Phrynosoma 

 Cornuta. Gray. Agama cornuta. Harlan. Journ. Acad. 

 N. S. Phil. good. 



Brown ; with two large hornlike spines behind the head. 



Mus. Brit. 



Common Toad Lizard. Phrynosoma Buffonium, Weigm. 



Isis, xxi. Seba, 1. t. 83. f. 1,2. 

 Scales of the belly keeled ; spines on side of body two rowed, 

 short, straight, three sided. Surinam. Mus. Berl. 



Orbicular Toad Lizard. Phrynosoma Orbicular e, Weig- 



mann. 

 Abdominal scales smooth ; spines on side of body one rowed, 

 large, recurved, rather compressed. Mexico. Mus. Berl. 



C. Ribs forming complete circles ; head scutellated ; throat 



extensile. 



I. Head hooded; back crested ; pores o. ; toes margined on 



the side. Basilicus, nob. (part Cuvier.) 

 Mitred Basilisc. Bas. Jmericanus, Laur. Lac. Basili- 

 cus, Lim. Seb. i. t. 100. f. 1. Guiana. Mus. Brit. 



Banded Basilisc. Basiliscus Vittatus, Boie. 

 Blue, with two series of spots down the sides of the back, 

 and white streak along each side of the dorsal ridge, another 

 edging the two lips and extended to the shoulders ; beneath 

 white ; throat brown marbled. Dorsal ridge scarcely ele- 

 vated ; hood small. Length about nine inches. Mus. Berl. 



II. Head squarish, occiput compressed, produced into a 

 crest ; back lowly crested ; pores none. Chamceleopsis, 

 Wiedemann, MSS. Mus. Berl. 



Hernandy's Chameleopsis. Chamceleopsis Hernandesii, 



Wiedemann, MSS. Gray. Mus. Brit. 

 Black, white speckled ; scales minute, thin. Mexico. Mus. 

 Brit. 



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