THE STRUCTURE AND RELATIONSHIPS OF ANCODUS. 
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LIST OF PAPERS QUOTED 
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Ko^alenk,. ir-on th. 0..»logf of fc Hpp«..mid». PM.,,.*,, 
Society of London, 1873. 
Monographie der Gattung Anthracotherium, etc. Pakontographica, Bd. XXII, 
1873. 
Leidy, J.-Tlie Extinct Mammalian Fauna of Dakota and Nebraska. Joum. Acad. Nat. Sci. 
Phila., 1869. 
Marsh, 0. C.— Notice of New Tertiary Mammals. American Journal of Science, 3d Ser., Vol. 
XXXIX, 1891. 
Description of Tertiary' Artiodactyles. Ibid., Sept. 1894. 
Osborn. II. F., and IFortwian, J. A.— Fossil Mammals of the Lower Miocene White River Beds. 
Bulletin American Museum of Natural History, New York, Vol. Ill, 1894. 
ScoU, W. R.— The Manus of Hyopotamus. American Naturalist, Feb. 1894. 
EXPLANATION OF THE PLATES. 
Plate XXIII. 
Fig. 1. Ancodus hrarhyrhynchus t — Skull, from the right side, I natural size. 
Fig. 2. Ancodus americanusf — Base of skull, I natural size. 
Fig. 3. “ “ Occiput, J natural size. 
F'ig. 4. Ancoduasp. — Plantar view of part of pes, showing rudimentary mt. I, f natural size. 
Plate XXIV. 
P' 10 . 5. Ancodus brachyrhynchusf — Right humerus, front view, I natural size. 
PTo. 6. “ “ Left ulna and radius, from outer side, f natural size. 
P'lO. 7. “ “ Left nianus, anterior view, f natural size. 
Fig. 8. “ “ Right femur, distal end, s natural size. 
Fig. 9. Ancodus sp. — Right pes, anterior view, f natural size. 
