Vanishing Fishes of North America

The maps have only major stream divides to successfully emphasize stream system occurrence, at the expense of demonstrating large stream/small stream variation.

Abstract

ture (often a photograph of variable qualityI would prefer to see, where possible, photographs of Pennsylvania fishes rather than those from other sites), distribution, behavior, food, value and a distribution map (literature records are distinguished from those identified by Dr. Cooper-this often separates old from recent collections). The maps have only major stream divides to successfully emphasize stream system occurrence, at the expense of demonstrating large stream/small stream variation. The 21 fishes of possible occurrence includes seven introductions where the success of the