LACERTILIAIGUAN1DAE HOLBROOKIA MACULATA. 



563 



poisonous ; the poison being communicated by the breath as well as by the 

 teeth. This has no foundation in fact. 



IGUANIA. 



FAM. IGUANIDAE. 



Genus HOLBROOKIA, Girard. 

 HOLBROOKIA MACULATA, Girard, subspecies MACULATA, Girard. 



HolbrooJc'ia maculata, GIRARD, Proc. Am. Assoc., iv, 1850-51, 201. Id., Marcy's Rep. 

 Red Riv., 1852, 223. Id., Staus. Rep. Exp. Great Salt Lake, 1853, 342. 

 BD., U. S. & Mex. Bound. Surv., ii, Kept,, 1859, 8. Id., P. R. R. Rep., x, 1859, 

 18, 38. HAYD., Trans. Am. Phil. Soc., xii, 1862, 177. COPE, Proc. Acad. 

 Nat. Sci. Phila., I860, 313. 



Holbrookia maculata, GIKAKD, subspecies maculata, GIRARD, COPE, Check-List N. A. 



Batrach. & Kept., 1875, 47. 

 HAB. Central and Sonoran Subregions. 

 Very abundant in all the regions visited ; but, being much slower in 



their movements than most other lizards, they are easily captured. 



