GERRHONOTUS. 37 
5. Gerrhonotus vasconcelosii. 
Gerrhonotus (Abronia) vasconcelosi, Bocourt, Nouv. Arch. Mus. 1872, p. 107; Miss. Sc. Mex., 
Rept. p. 334, t. 21. fig. 3, and t. 21 a. figg. 8. 
Hab. Guatemata, Argueta in Los Altos (Bocourt). 
Dorsal scales with a very obtuse keel, in twelve or thirteen, nuchal scales in six, 
ventral in fourteen longitudinal series. Nasal shield not in contact with the rostral. 
Scales above the tympanum subconical and short. Seven shields on the upper surface 
of the snout, disposed as in G. teniatus; supranasals present. Greenish, with dark cross 
bands. 
6. Gerrhonotus auritus. 
Gerrhonotus auritus, Cope, Proc. Ac. N. Se. Phil. 1868, p. 306. 
Hab. GUATEMALA, in the neighbourhood of Peten and Coban. 
Dorsal scales strongly but finely keeled, in sixteen, nuchal scales in six, ventral in 
fourteen longitudinal series. Scales above the tympanum long and pointed. Shields 
on the upper surface of the snout as in G. gramineus. Pea-green, with dark angular 
cross bands. | 
7. Gerrhonotus fimbriatus. 
Gerrhonotus auritus, Bocourt, Miss. Sc. Mex., Rept. p. 337, t. 21. fig. 2, and t. 214. fig. 7. 
Barissia fimbriata, Cope, Proc. Am. Phil. Soc. xxii. 1885, p. 171. 
Hab. GuatTEMALa, pine-forests of Alta Vera Paz (Bocourt). 
Dorsal scales obtusely keeled, in fourteen, nuchal scales in six, ventral in fourteen 
longitudinal series. Nasal shield not in contact with the rostral. Scales above the 
tympanum long and pointed. Four pairs of shields on the upper surface of the snout, 
between the vertical and rostral; no supranasals. Olive-coloured, with dark angular 
cross bands. 
8. Gerrhonotus antauges. 
Barissia antauges, Cope, Proc. Ac. N. Sc. Phil. 1866, p. 182. 
Gerrhonotus viridiflavus, Bocourt, Ann. Sc. Nat. 1878, xvii. art. 2. 
Gerrhonotus bocourti, Peters, MB. Berl. Ak. 1876, p. 297. 
Gerrhonotus antauges, Bocourt, Miss. Sc. Mex., Rept. p. 346, t. 21. fig. 4, and t. 21 B. figg. 7. 
Hab. Mexico, Tehuantepec (Sumichrast). 
Dorsal scales smooth, or very obtusely keeled, in fourteen, ventral in twelve longi- 
tudinal series. Nasal shield not in contact with the rostral. ight shields on the 
upper surface of the snout, between vertical and rostral, disposed in pairs, of which the 
second are the supranasals, sometimes meeting in the middle, at other times separated 
from each other by the third pair. Lower parts blackish, anteriorly mottled with yellow. 
