PG TAS aeRO XOX alia: 
PLACENTICERAS INTERCALARE Meek. 
(Page 207.) 
Fics. 1, 2. Fragmentary small specimen from near Harper, Laramie Plains, Wyo.; Coll. U. S. Geol. 
Survey. (See Pl. XXXVI, fig. 5.) : 
oF Section of specimen ‘‘approximating to some varieties of P. stantoni,’’ from Ponil Canyon, 
New Mex.; Coll. U. 8. Nat. Mus., No. 9735. 
4. Side view of same specimen. (For suture, see Pl. XX XVIII, fig. 1.) 
Montana group, Upper Cretaceous. 
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