Offprint from the Bulletin of the Museum of Comparative Zoology, At Harvard College, Vol. LXIII. No. 9. Original light green paper covers, title in black to front, list of other publications to back, which is detached but present. . Pages 431 to 517, Including Bibliography, clean and tight in binding, 12 (black and white plates of the dogs) interspersed with individual blank title pages. 

Scarce with only one copy listed online.  

A detailed analysis and description of the dogs present in the Americas when the Europeans arrived.