106 THE DESEADO FORMATION OF PATAGONIA 
Morphippus imbricatus Ameghino 
M. imbricatus Amegh., 1897, Bol. Inst. Geog. Argen., t. 18, p. 459. 
M. hypsolodus Amegh., 1897, Bol. Inst. Geog. Argen., t. 18, p. 461. 
M. complicatus Amegh., 1897, Bol. Inst. Geog. Argen., t. 18, p. 461. 
M. fraternus Amegh., 1901, Bol. Acad. Nac. Cienc. Cordoba, t. 16, p. 374. 
M. quadrilobus Amegh., 1901, Bol. Acad. Nac. Cienc. Cordoba, t. 16, p. 374. 
The general characters of this species are given under 
the generic description and I will here give only Ameghino’s 
measurements which go with the figure: 
Skull, length over all 210 mm. 
Skull, length of the palate 120 mm. 
Upper dentition, length the inc. 1 to m. 3 120 mm. 
Diameter of the palate opposite inc. 3 37 mm. 
Diameter of the palate opposite m. 3 75 mm. 
Height of mandible under m. 1 33 mm. 
Fig. 67. M. imbricatus—1/2 natural Fig. 68. E. latirostris, palatal view, after a pho- 
size; A, upper dentition; 6, lower den- tograph of the type—1/2 natural size; the cross 
tition after Ameghino. hatched area represents matrix not yet removed. 
