Proceedings of The Academy of Natural Sciences (Vol. 3, 1846 & 1847)
- ISBN-10
- 1437955541
- ISBN-13
- 9781437955545
- Language
- English
- Publisher
- Academy of Natural Sciences
Description
Two quills in one wing and one in the tail are entirely white . Wings concave and rounded , one foot in length from flexure . First quill an inch and a half shorter than the second , which last is one inch shorter than the third ; 3–8 ...
