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Repositorio Atenea de la Facultad de Ciencias, UNAM >
Browsing by Author Robert S. Simmons
Showing results 1 to 8 of 8
| Preview | Issue Date | Title | Author(s) | | 1978 | A new subspecies of Crotalus durissus (Serpentes: Crotalidae) from the Rupununi Savanna of southwestern Guyana | Harris, Herbert S, Jr.; Robert S. Simmons |
| 1978 | A preliminary account of the rattlesnakes with the descriptions of four new subspecies | Harris, Herbert S, Jr.; Robert S. Simmons |
| 1970 | A Sonora michoacanensis michoacanensis (Dugès) from Colima, Mexico | Harris, Herbert S, Jr.; Robert S. Simmons |
| 1967 | Another Dipsas gaigeae (Oliver) from Colima, Mexico | Harris, Herbert S, Jr.; Robert S. Simmons |
| 1977 | Island rattlesnakes | Harris, Herbert S, Jr.; Robert S. Simmons |
| 1962 | Notes on some reptiles and amphibians from western Mexico | Campbell, Howard W.; Robert S. Simmons |
| 1962 | Notes on the eggs and larvae of Rhyacosiredon altamirani (Dugès) | Campbell, Howard W.; Robert S. Simmons |
| 1961 | Notes on the eggs and young of Eumeces callicephalus Bocourt | Campbell, Howard W.; Robert S. Simmons |
Showing results 1 to 8 of 8
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