XXXVII. Pachacuti Inca Yupanqui conquers the province
of Colla-suyu

XXXVIII. Pachacuti Inca Yupanqui sends an army to conquer
the province of Chinchay-suyu

XXXIX. Pachacuti Inca Yupanqui plants mitimaes in all
the lands he had conquered

XL. The Collas, sons of Chuchi Ccapac, rebel against
Inca Yupanqui to obtain their freedom

XLI. Amaru Tupac Inca and Apu Paucar Usnu continue the
conquest of the Collao and again subdue the Collas

XLII. Pachacuti Inca Yupanqui nominates his son Tupac Inca
Yupanqui as his successor

XLIII. How Pachacuti armed his son Tupac Inca

XLIV. Pachacuti Inca Yupanqui sends his son Tupac Inca
Yupanqui to conquer Chinchay-suyu

XLV. How Pachacuti Inca Yupanqui visited the provinces
conquered for him by his captains

XLVI. Tupac Inca Yupanqui sets out, a second time, by order of his father, to conquer what remained unsubdued in Chinchay-suyu