Bane ; ‘ VAVAe) SS TF + 
82 Bulletin American Museum of Natural History. [Vol. XXXIV, 
characters of the type; a number of more or less fragmentary Jaws are 
referable to this species, but add little or nothing to the stated characters. 
The species evidently belongs to the strenuwa group and 1s closely allied to 
S. multicusprs. 
~~. 
_ 
\ A. 74. } 
el 
Fig. 76. Sinopa vulpecula, lower jaw, outer view, and crown view of p.—m1, natural size. 
No. 15744, top of Gray Bull beds, Big Horn Basin. 
Sinopa secundaria (Cope 1875). 
Prototomus secundarius Corr, 1875, Syst. Cat. Vert. Eoc. New Mex. ,p.9; (Sty- 
polophus) 1877, Ext. Vert. New Mex., p. 115. Not figured. 
Pipe U.S. Nat. Mus. No. 1025, two fragments of 
lower jaw preserving the heels of ps and me, and other 
associated fragments of bones, from the Wasatch of 
New Mexico. 
The type is practically indeterminate. It ap- 
‘ No. /5248 pears to be smaller than S. multicuspis and vul- 
A. MM. 
Fig. 77. Sinopact. secun. Decula. There is some evidence of a species in 
daria, lower jaw fragment, the Big Horn Basin of about this size, and dis- 
exterral view, natural size, : . : : - 3 
with molars and last two pre. “oguished by the peculiarly acute high pointed 
molars more or less broken. premolars and the considerable diastema behind 
oe Fe ie Wd 15048 trier the upper Gray Bull, parts 
of the jaws with ps-m3 more or less broken, and 
thes less distinctive specimens of jaws, etc., may be compared with S. 
secundaria, although too fragmentary for deGnite reference. 
