Obvious punctuation errors repaired.

Hyphen removed: missending (p. 69), upcountry (p. 30).

p. 25: "addresses" changed to "addressees" (read by the addressees).

p. 55: Last column of third row of table changed from "41" to "14".

p. 91: "seldoms" changed to "seldom" (He seldom knows English).

p. 205: "Bolundshahur" changed to "Bulundshahur" (although Bulundshahur and a large portion of Allyghur).