BY C. W. DE VIS. 
81 
Palorchbstes, Owen. 
Palorchestes, Owen, L* 1874, p. 797. 
Molars with talons anteriorly and posteriorly; the anterior of 
the upper and the posterior of the lower the longer; mid valleys 
of the upper closed on the inner, or on both sides, by a raised 
basal rim. Lower molars elongate; their links continuous with 
the outer angles of the lobes. Anterior upper molars with vertical 
ridges and folds. Upper premolar triangular, nearly equilateral, 
transversely bicuspid, with a talon fore and aft; lower oblong, 
unicuspid, with a long posterior talon which is strongly linked to 
the lobe. Vascular foramen present in the mandible. Lower 
incisors procumbent, spatulate. Middle pair of upper incisiors 
smallest. 
Key to the sjwcies. 
Size larger; cheek-teeth over 110-0 in length, 
anterior talon of p 4 short; lobe of p 4 indented 
intero-posteriorly azael 
Size smaller, cheek-teeth below 100*0 in length, 
anterior talon of p 4 produced; lobe of p 4 exca- 
vated intero-posteriorly parvus 
Palorchestes azael, Owen. 
P. azael, Owen, I. 1874, p. 798; Lydekker, IV. p. 237; 
Etheridge, V. p. 186. 
P. crassus, Owen, VIII. Vol. xi. p. 7, 1880. 
Anterior talon of upper premolar in the half worn state indis- 
tinct. The lobe of the lower premolar indented on the posterior 
surface near the inner side of the link; its area of abrasion sub- 
quadrate, extended longitudinally. Size large. 
* Numbers like this after authors' names refer to the bibliographical list 
at the end of the paper. 
F 
