IP 1b AA I TB XO IW. 
EXNNGONOCERAS. 
Ines WES, JIAGOMOCTRAS SHOUATE VION WING os Sane Sa osesSecee coo seesocoedcee=bosccsoeoosasSeecoose 175 
Figs. 1, 2. Specimen in my collection, partly restored. 
3, 4. Specimen in Coll. Hill, U. 8. Geol. Surv. [‘‘ Hill 4a.’’] (?) 
5. Suture of same, X 2. This is somewhat worn down. 
Fredericksburg group [?], Comanche series. 
WIGS: 6—GueENGONOcenas {COM pliCodum Ly aL bese eee eee ee aiate eee eee eae sete salar 175 
Figs. 6, 7. Type specimen from near Austin, Tex. Coll. Hill, U. 8. Geol. Surv. 
8. Suture of same, X 2. 
Comanche Peak limestone of Fredericksburg group, Comanche series. 
300 
