with the rapidity of thought. Mr. Audubon often saw it singing from the roof of an abandoned flat-boat, near New Orleans, and when its song was ended it would creep from one board to the next, enter an augur-hole at one place to reappear at another, catching numerous spiders and other insects all the while.
PLATE IX.
1. Thryothorus ludovicianus, Lath. Pa., 1784.
2. Thryothorus berlandieri, Couch. Texas.