Fig. 3.—Right maxillary and premaxillary, outer view, premolar, with dotted outline indicating its probable position.
Fig. 4.—The premaxillaries in position (probable), view from above, showing size and position of the incisors. Dotted lines indicate the premaxillary spine (estimated).
Procamelus occidentalis, Cope, (See Wheeler's Survey, vol. iv., Plate LXXVII.)
Fig. 5.—Part of right maxillary and premaxillary, showing single incisor
with rudimentary alveolus for a second.
Protolabis ——? Cope. (See Wheeler's Survey, vol iv., p. 343.)
Fig. 6.—Right maxillary and premaxillary. (This has never been drawn
before, and was kindly lent to us for this purpose by Prof. Cope.)
Camelus bactrianus. Modern camel.
Fig. 7.—Right maxillaries, one half natural size.
