Note 15 — INTRODUCTION.
Reading edition
With the Paridæ the authors of this work include the Nuthatches as a subfamily Sittinæ, which I prefer to dissociate and place as a group of equal grade next to Certhiidæ.
Reading edition
With the Paridæ the authors of this work include the Nuthatches as a subfamily Sittinæ, which I prefer to dissociate and place as a group of equal grade next to Certhiidæ.