Smithsonian Report, 1909 —MacCurdy PLATE 5, 
FIG. a. HEAD OF A Horse, DRAWN WITH A BLACK CRAYON. CAVERN OF 
ALTAMIRA (SPAIN). FIRST PHASE. +. AFTER BREUIL. 
Fic. b. BISON FROM THE CAVERN OF ALTAMIRA (SPAIN), PAINTED IN POLYCHROME. 
FOURTH PHASE, AFTER BREUIL, C. R., CONGR. INTERN. D’ANTHR. ET D’ARCH. 
PREHS., 1, P. 384, MONaco, 1906. 
