Sclater, Mr., on zoological regions, i. 59

why his six regions are adopted, i. 63

on birds of Sandwich Islands, i. 445

on systematic position of Certhidea, ii. [31]

Sclater and Salvin, Messrs., on Neotropical sub-regions, ii. [25]

SCLERODERMI, ii. [457]

Sclerognathus, ii. [451]

SCLERURINÆ, ii. [295]

Sclerurus, ii. [103]

Scolecophagus, ii. [282]