1961. Paperback in good condition. Spine has chips and tears. Ink mark on front cover. In English. Translation of: Zoological Institute of the Academy of Sciences of the USSR New Series No. 65. This present volume deals with birds of the suborder Alcae. To the suborder Alcae belong sea birds which are closely related to gulls but are adapted to aquatic conditions to a much greater extent and are less associated with terrestrial and aerial life.