X.—On the Periods occupied by Birds in the Incubation of their Eggs

• 1 January 1891
• journal article
• Published by Wiley in Ibis
• Vol. 33  (1) , 52-93
• https://doi.org/10.1111/j.1474-919x.1891.tb08601.x

Abstract

Keywords

• INCUBATION OF THEIR EGGS
• PERIODS OCCUPIED BY BIRDS
• BIRDS IN THE INCUBATION