The narrator is describing an African who is very tall, stout and muscular, built like a champion.He says: << --- >> And first of all I recognized that his heaviness of expression was misleading and that he was basically a good-humored fellow. Only he was very dignified. Two large curves starting above his nostrils came down beside his mouth and gave him the look I had misinterpreted. He had a back-up posture which emphasized the great strength of his legs and knees.
<< Moderator's note: Sentence removed to bring quotation within 4 sentence limit. >>