194 



MASTIGODRYAS 



MASTIGODRYAS HEATH I I (Cope), new combination 

 boddaert i group 



18/6 DrYmobius heath! i Cope, Jour. Acad. Nat. Sc i . Phila., (2) 8 (I875): I75. Type-locality: Valley 



of Jequetepeque, Peru. 

 1535 Dryadophis [ heath i i j— Stuart. Copeia, 1935: 55. 

 1941 Dryadophis heathii — Stuart, Misc. Publ. Mus. Zool. Univ. Mich., 45, pi. 4, fig. 2. 



Distribution: Coastal Peru. 



MAST IGODRYAS MELANOLOMUS (Cope), new combination 

 melanolomus group 



1868 Masticophis melanolomus Cope, Proc. Acad. Nat. Sc i . Phila., 1868: 13^. Type-locality; Yucatan, 



Mex ico. 

 1935 Dryadophis [ melanolomus ] — Stuart, Copeia, I939: 55. 



Distribution: Mexico through Central America to Panama. 



Content: Seven subspecies (five discussed in most recent revision by Stuart, Misc. Publ. Mus. Zool, 

 Univ. Mich., 1941, 49, plus two described by Smith, I943). Three (veraecrucis Stuart, slevini 

 Stuart, and stuart i Smith) extral im i tal; slevini Stuart, was mentioned from Volcan Zunil, Guate- 

 mala, by Stuart, 1941, loc. cit., but Stuart, Misc. Publ. Mus. Zool. Univ. Mich., 122, I963, does 

 not include slev i ni as a Guatemalan form. 



Key to the subspecies Clave de subespecies 



1. Dorsal pattern not uniform 2 1. DiseHo dorsal no uniforme 2 



Dorsal pattern uniform olive tehuanae Oise^o oliva unfforme tehuanae 



2. Pattern not reticulate 3 2. DiseHo no reticulado 3 



Pattern reticulate melanolomus DiseRo reticulado melanolomus 



3. Two light longitudinal bands on each side — J, Dos bandas long i tud inales claras a cada 



alternatus lado del cuerpo alternatus 



Body pattern of narrow, light crossbands DiseRo de bandas claras transversas, sobre 

 anteriorly laevis la parte anterior del cuerpo laevis 



Mast igodrvas melanolomus melanolomus (Cope), new combination 



1941 Dryadophis melanolomus melanolomus — Stuart, Misc. Publ. Mus. Zool. Univ. Mich., 49: 88, 

 pi. 4, fig. 4. 



Distribution: Lowlands of Yucatan Peninsula south to central El Peten, Guatemala. 



Mast iqodryas melanolomus alternatus (Bocourt), new combination 



1884 Coryphodon alternatus Bocourt, Bull. Soc. Philom. Paris, (7) 8: I33. Type-locality: 



Isthmus de Darien, Panama. 

 1933 Eudryas boddaerti qaigae Stuart. Occ. Pap. Mus. Zool. Univ. Mich., 254: 7. Type-locality: 

 Wright's ranch, Boquete, Chiriquf Province, Panama. 



Distribution: Costa Rica, Honduras, Nicaragua and Panama. 



Mastiqodryas melanolomus laevis (Fischer), new combination 



1881 Herpetodrvas Laevis Fischer, Arch, fur Naturg.: 227. Type-locality: Guatemala. 



1885 Dromicus coeruleus Fischer, Jahrb. Wiss. Anst. Hamburg, 2, 1884; IO3, pi. 4, fig. 7- 



Type-locality: Cobtfn, Guatemala. 

 1903 Drymobius boddaert i var modesta Werner, Abh. K. Bayer. Akad. Wiss. Milnchen, (2) 24: 3*6. 



Type-locality; Coban, Guatemala. 

 1941 Dryadophis melanolomus laevis — Stuart, Misc. Publ. Mus. Zool. Univ. Mich., 49: 86. 



Distribution: Low and moderate elevations in mountains of Alia Verapaz, Guatemala.- 



