BUREAU OF AMERICAN ETHNOLOGY BULLETIN 177 PLATE 36 
Sherds of Koriabo Phase decorated types recovered from sites of other Phases. a-e, Koriabo 
Incised sherds from sites of the Mabaruma Phase. f-h, Koriabo Scraped sherds from 
R-40 of the Rupununi Phase. i, Koriabo Incised sherd from R-40 of the Rupununi 
Phase. 
