Jatunmontepuncu, Cordillera Blanca. This 18,242-foot peak, which lies between Palcaraju and Pucaranra, was ascended on September 27, 1957 for the first time by the Peruvians Arturo Soriano Bernadini and Hugo Vargas, and the German S. Leppisch. From camp on the Palcacocha they climbed moraines and glaciers on the northern side of the peak to the steep summit ridge.

Corrections. The altitude of Ocshapalca is 19,295 feet and not 19,925 feet as reported on page 112 of A.A.J., 1958. The ascent of Pucaranra reported on page 114 was a third and not a second ascent. This peak was climbed for the second time by the Peruvians C. Maguiña, V. López, M. Guimaray, and C. Sánchez. On page 116 the mountain called Rajunta should have appeared as Rajutuna.