not reproduced by seed, ii. [19].

Emberiza passerina, ii. [158].

Embryos, similarity of, i. 12;

fusion of, ii. [339].

Engel, on Laurus sassafras, ii. [274].

England, domestication of Bos longifrons in, i. 81;

selection of horses in, in mediæval times, ii. [203];

laws against the early slaughter of rams in, ii. [203].

Ephemeridæ, development of the, ii. [366].

Epidendrum cinnabarinum and E. zebra, ii. [134].