Amchitka, Semisopochnoi).
* Atkan dialect or Western Aleut or Aliguutax (in Aleut) and speaking tribes:
** Naahmigus or Delarof Islanders : in the Delarof Islands (Amatignak) and Andreanof Islands (Tanaga).
** Niigugis or Andreanof Islanders : in the Andreanof Islands