Rui Diogo & Bernard A. Wood 
Comparative Anatomy and Phylogeny of Primate Muscles and Human Evolution [PDF ebook] 

This book challenges the assumption that morphological data are inherently unsuitable for phylogeny reconstruction, argues that both molecular and morphological phylogenies should play a major role in systematics, and provides the most comprehensive review of the comparative anatomy, homologies and evolution of the head, neck, pectoral and upper li