Edward Drinker Cope
In 1892, Cope (then 52 years old) was granted expense money for field work from the Texas Geological Survey. With his finances improved, he was able to publish a massive work on the Batrachians of North America, which was the most detailed work on the continent's frogs and amphibians ever done,p350 and the 1,115-page The Crocodilians, Lizards and Snakes of North America.