132 



osborn: OLIGOCENE, MIOCENE, pliocene equid^e. 



Type. — (Marsh, 1868, p. 375) " The equine remains now to be noticed consist mainly of bones of the limbs, and 

 among them is a hoof-phalanx, a coronary or second phalanx, parts of the first phalanx and metacarpals, as well as some 

 of the smaller carpal and tarsal bones, and fragments, apparently from other parts of the skeleton." (Lull, letter Oct. 23, 

 1915) "Type consists of several individuals bearing the numbers 11340 to 11345. From Antelope Station, Nebraska, 

 marked Pliocene. . . .first fossil material Professor Marsh ever collected." Neotype. The upper tooth (Text Fig. 107), 



Fig. 104. Protohippus (Equus) parvuius Marsh, Yale Mus. 11340-11341. Right pes, anterior view of femur, scapula, 

 humerus, radius of the type, two individuals mixed. Portion of left carpus restored. One-half natural size. 



referred to by Marsh in his second description 1 of this animal in 1874, may be regarded as a neotype (P. parvuius, Yale 

 Mus. 11342). It is doubtfully referable to the genus Protohippus. 

 Type figure. — Text Fig. 104 of this Memoir. 



Lull (letter, Dec. 10, 1915) remarks as regards the description of 1868 by Marsh: "In Marsh's original description 

 he says nothing of any teeth, in fact, he implies that no teeth were present, because he says : ' Additional parts of the 

 skeleton, especially the teeth, would perhaps show generic characters differing from those of the living horse.' In his 

 description of P. parvuius in 1874, Marsh says: 'With the limb bones preserved an upper tooth was found which doubt- 



1 "Notice of New Equine Mammals from the Tertiary Formation," Amer. Jour, of Science and Arts, (3) Vol. VII, 1874, pp. 247- 

 258 (251-253). 



