NO. 12 JAW OF PILTDOWN MAN MILLER 3 I 



EXPLANATION OF PLATES 



Plate i 



All figures about 54 natural size. Casts. 



Fig. i. Pan sp. Africa : no exact locality. No. 84655, U. S. National Museum. 



Fig. 2. Pan vetus, England : Piltdown. 



Fig. 3. Pan sp. Africa : French Congo. No. 174700, U. S. National Museum. 

 The casts of the African specimens have been mutilated as nearly 

 as possible in the same manner as the fossil. 



Plate 2 

 All figures about 54 natural size. Casts, except nos. 1", 2" and 4. 

 Fig. I. Pan sp. Africa : no exact locality. No. 84655, U. S. National Museum. 

 Fig. 2. Pan vetus, England : Piltdown. 



Fig. 3. Pan sp. Africa: French Congo. No. 174700, U. S. National Museum. 

 Fig. 4. Pan sp. Africa: southern Kameroon. No. 176226, U. S. National 

 Museum. 



Fig. 2" is copied from the photograph published by Dr. Woodward 

 in the Guide to Fossil Remains of Man in the British Museum, pi. 4. 

 Note that enamel on lingual side of metaconid has flaked off from mi 

 in fig. 4. 



Plate 3 

 Skull greatly reduced, mandible about 54 natural size. 

 Homo sp. Skull, North American Indian, No. 262540, U. S. National Museum ; 

 mandible, Mongolian, No. 278783, U. S. National Museum. 



To show the association of cranial and mandibular characters normal 

 in the Hominidce. 



Plate 4 



Skull greatly reduced, mandible about 54 natural size. 

 Pan sp. African : southern Kameroon. No. 176226, U. S. National Museum. 

 To show the association of cranial and mandibular characters normal 

 in the Pongidae. 



Plate 5 



All figures about 2 /z natural size. Nos. 1 and 3 from casts. 

 Mandible of four adult individuals of recent Pan to show individual 

 variation. Note particularly the symphysis, the sigmoid notch and the 

 angular region. 

 Fig. I. Pan sp. Africa: no exact locality. No. 84655, U. S. National 



Museum. 

 Fig. 2. Pan sp. Africa : French Congo. No. 174710, U. S. National Museum. 

 Fig. 3. Pan sp. Africa: French Congo. No. 174700, U. S. National Museum. 

 Fig. 4. Pan sp. Africa: southern Kameroon. No. 176244, U. S. National 

 Museum. (Coronoid process restored.) 



