742 
Table showing the Phylogenetic Order as observed by CopE and OSBORN, 
and the Ontogenetic Order as observed by ROSE and TAEKER. 
A. Phylogenetic Order. B. Ontogenetic Order. 
Geological 5 4 : a : 3 3 
Po aioe E Comparative. Human. Primates?) Marsupials?) Ungulates’) 
Upper molars, 
Permian 1 Protocone Ant. lingual. Paracone Paracone Paracone 
Paracone lateral. Protocone Proto- Meta- 
iassic & Jurassic 2& 3 2 ‘i 2 
Sinn eaarons Posi: 5) Metacone Meta- ,, Proto- ‚, 
Cretaceous — 
Eocene & Miocene 4 Hypocone Post. lingual. Hypocone Hypo- ,, Hypo- ,, 
Lower molars. 
Permian 1 Protoconid Ant. lateral. Protoconid Protoconid Protoconid 
ee é Paraconid degenerated! Metaconid Para- ,, Meta- ,, 
Triassic & Jurassic 2&3)... (deg ; ) : 4 : 
Metaconid Ant. lingual Hypoconid Hypo- ,, Hypo- ,, 
Jurassic 4 Hypoconid Post. lateral Entoconid Ento- ,, Ento- ,, 
Cretaceous 5 Entoconid » lingual Hypoconulid Meta- ,, 
Lower Eocene 6 Hypoconulid » mesial 
1) This cusp degenerates both in the early Primates and Ungulates. 
2) As I understand Dr. Röse. 
BE; + Dr, TAEKER. 
Order. 
ork © DD 
