Handbook of frogs and toads ... of the United States and Canada

作者：Anna Allen Wright, Albert Hazen Wright · 年份：1933 · DOI：10.5962/bhl.title.6753 · 被引用次数：191 · 研究领域：Plant and animal studies

Accounts of species (with a plate of each species) .... Bell toads 3 American bell toad.Ascaphus truei Spadefoots Couch's spadefoot.Scaphiopus couchii Hammond's spadefoot.Scaphiopus hammondii ... Holbrook's spadefoot.Scaphiopus holbrookii holbrookii .