UPPER CRETACEOUS MARSUPIALIA 



129 



The so-called Cimolesles cutleri and Eodelpliis browiii were described almost 

 simultaneously, each without knowledge of the other, and so were not originally con- 

 trasted. They are obviously very similar and are from the same formation and the same 

 locality. The present writer has elsewhere suggested (19283) that they are probably 

 synonymous, recognizing, however, certain discrepancies in apparent molar structure 

 which left the matter in doubt. There has since been discovered by C. M. Sternberg a 

 third jaw, with the molars unusually well preserved, which seems to clear up the 

 matter and indicate that these names are 

 synonymous. This specimen, found since 

 the present manuscript was complete, is 

 being described elsewhere (Simpson, 

 1929c). 



There is little to add to Matthew's 

 description of the American Museum 

 specimen and his figures are here repro- 

 duced. Matthew's statements that on M3 

 the paraconid and metaconid are of 

 nearly equal height and the protoconid 

 lower and that on M4 the paraconid is 

 somewhat higher than the metaconid, the 

 protoconid certainly lower than the para- 

 conid and perhaps than the metaconid 

 were based on a worn and broken speci- 

 men and now prove to be incorrect. The 

 metaconid is distinctly smaller than the 

 paraconid on all the molars, while the 

 protoconid is about equal to the para- 

 conid or a little higher. 



AM. No. 14/6 9 



Fig. 49. EodelpMs cutleri, fragments of skull, side 

 and under views, three halves natural size. The 

 missing portions of the zygomatic arch and occipi- 

 tal region are partly restored in dotted outlines. 

 Con., occipital condyle ; la.c, lambdoidal crest ; ;«., 

 jugal; ms., mastoid portion of periotic; par. p., par- 

 occipital process; p.-g.p., postglenoid process; p.- 

 t.p., posttympanic process; s.oc, supraoccipital ; sq., 

 squamosal ; zy.p., zygomatic process of squamosal. 

 (After Matthew, 1916.) 



'Euangelistes 'a\viY^%ox\ 1929 

 1929. Euan gelistes , Simpson, Ann. Carnegie Mus., XIX, 107. 



Definition. — A pediomyine of medium size. Molar trigonids elevated and 

 sharply cut off from talonids. Trigonids compressed anteroposteriorly. Protoconids 

 and metaconids subequal. Mi without trigonid basin, paraconid basal, vestigial. M2-4 

 with paraconids very small and progressively more median. 



Type. — E. -petersoni Simpson. 



Distribution. — Lance formation, Niobrara County, Wyoming. 



Euangelistes petersoni Simpson 1929 

 Type.— Cam. Mus. No. 11657. Left lower jaw with P3 and M,-4. (M4 now said 



to be lost. ) 



Horizon and Locality. — Lance formation, Niobrara County, Wyoming. 



