Sentence:  In the introduction to his book on Tlingit and Eskimo, Veniaminov discusses the relations between six languages of the part of North America that belonged to Russia: <WSD>Unalaskan</WSD> (Aleut), Kodiak (Eskimo; he gave a general description of its six main dialects spread in Alaska), Kenai (by this term he meant Tanaina and some other North Athabaskan languages: Kolchan, Ahtna, Koyukon, Ingalik-Kutchin), Iakutat (he distinguished already between Iakutat and closely related Ugalien=Eyak), Kaigan (Haida in modern terminology). 
Meaning of the word marked with <WSD> tags:  The eastern dialect of Inuktitut.