PROC. N. H. S. 



VOL. V. PLATE VI 



PECTORAL MUSCLES OF CEBUS CAPUCINUS, SEEN ON RAISING PECTORALIS MAJOR. 



A Pectoralis minor. 



BC Additional pectoral slips. 



D Supracostalis. 



TO ILLUSTRATE DR. MACALISTER'S PAPER ON THE MUSCLES IN CERTAIN MONKEYS. 



