11. His journal articles cover all aspects of herpetology from natural history to systematics. 12. In herpetology , costal grooves refer to lateral indents along the integument of salamanders. 13. Batrachology is a further subdiscipline of herpetology concerned with the study of amphibians alone. 14. Herpetology is concerned with poikilothermic, ectothermic tetrapods.15. In the field of herpetology he described many new species of amphibians and reptiles. 16. In the field of herpetology he described several new species of reptiles and amphibians. 17. In the field of herpetology he described several new species of amphibians and reptiles. 18. He would later become the chief herpetology curator. 19. In the field of herpetology he described several new species of reptiles endemic to Jamaica. 20. As of 1895, he organized the herpetology department of the California Academy of Sciences.
