POLYCHRUS.—CORYTHOPHANES. 53 
POLYCHRUS. 
Polychrus, Cuvier, Régne Anim. 
1. Polychrus gutturosus. 
Polychrus gutturosus, Berthold, Abh. Ges. Wiss. Gotting. iii. 1847, p. 5, t. 1. fig. 1. 
Polychrus multicarinatus, Peters, MB. Berl. Ak. 1869, p. 786; Bocourt, Miss. Sc. Mex., Rept. 
p. 112, t. 17. figg. 8. 
Hab. Costa Rica (Peters).—Cotomsia (Berthold). 
CORYTHOPHANES. 
Corythophanes, Boie. 
An exclusively Central-American genus. 
1. Corythophanes cristatus. 
Agama cristata, Merr. Syst. Amphib. p. 50. 
Corythophanes cristatus, Boie, Isis, 1827, p. —; Gravenhorst, Act. Ac. Leop. Carol. xvi. 1833, 
p- 938, t. 65. figg. 6-10; Dum. & Bibr. Erp. Gén. iv. p. 174; Dum. Arch. Mus. Hist. Nat. 
vill. 1856, p. 517, t. 20. fig. 1; Bocourt, Miss. Sc. Mex., Rept. p. 118; Cope, Journ. Ac. N. 
Se. Phil. viii. pp. 124, 156. 
Hab. GuateMaLa, Vera Paz, low forest (Salvin & Godman), Peten (Morelet): Costa 
Rica (Cope, Salvin) ; Panama (Cope). 
Not common in Guatemala (Salvin). 
2. Corythophanes percarinatus. 
Corythophanes percarinatus, Dum. Arch. Mus. viii. p. 518, t. 20. fig. 8; Bocourt, Miss. Sc. Mex., 
Rept. p. 120, t. 17. fig. 2. 
Corythophanes cristatus, Salvin, Proc. Zool. Soc. 1860, p. 453. 
Hab. Guavemata, Escuintla (Morelet), Lanquin (Salvin), Coban (Bocourt).—Ecuapor 
(fraser). 
3. Corythophanes hernandesii. 
Quatapalcatl, Hernandez, Hist. Mex. ii. cap. xiii. p. 61. 
Chameleopsis hernandezii, Wiegm. Isis, 1831, p. 298; Gravenhorst, Act. Ac. Leop. Carol. xvi. 
1833, p. 944, t. 65. figg. 1-5; Wiegm. Herp. Mex. pp. 15, 37, t. 6. 
Corythophanes chameleopsis, Dum. & Bibr. Erp. Gén. iv. p. 176; Sumichrast, Bibl. Univ. et Rev. 
Suiss. 1864, p. 58; Ann. & Mag. N. H. 1864, xiii. p. 505. 
Corythophanes mexicanus, Bocourt, Miss. Sc. Mex., Rept. p. 122, t. 17. fig. 1. 
Hab. Mexico, Vera Cruz, Tehuantepec, Chiapas (Sumichrast), Orizaba (Brit. Mus.), 
Yucatan (Brit. Mus.). 
In woods, especially oak-forests, among rocks. Feeding on insects. 
