Series in Kansas, Oklahoma and New Mesxico. 221 
Fredericksburg or Middle division Comanche series: 
Exogyra texana Roemer. Trochus texanus Roemer. 
Two species. 
Trinity or Basal division: 
-Homomya alta Roemer. Ostrea franklini Coquand. 
Cucullza terminalis Conrad. Three species. 
He reports two species which have been found in the 
Washita of Tucumeari: 
Pinna comancheana Cragin. _—-Cardita belviderensis Cragin. 
Besides the above he gives the following species, so far 
reported to occur only in these beds. (Total 21 species.) 
Astrocenia nidiformis. Cardium mudgei Cragin. 
Nereis incognita Cragin. Roudaria ? quadrans Cragin. 
Plicatula senescens Cragin. Tapes belviderensis Cragin. 
Avicula belviderensis Cragin. Pholadomya? elegans? Cragin. 
Petersia medicinensis Cragin. Mactra antiqua Cragin. 
Remondia ferrissii Cragin. Leptosolen otterensis Cragin. 
Limopsis subimbricatus Cragin. Neritoma marcouana Cragin. 
Cucullza terminalis, var. rece- Vanikora propinqua Cragin, 
dens Cragin. Anchura kiowana Cragin. 
Cardita belviderensis Cragin Margarita marcouana Cragin. 
Cardium (Nemocardium) biso- M. (Solariella) Newberryi Cragin. 
laris Cragin. 
From this list we can now strike out two species, O. franklont 
Coquand, which has been disproved by Stanton, and Cucullewa 
terminalis Conrad, abandoned by Cragin. 
A similar analysis of the list of species given by Mr. Stanton 
results as follows: 
He finds none of the eight Ripley species reported by Prof. 
Cragin, nor any of the forms reported from Montana, Colorado, 
Dakota, or Trinity divisions. 
He finds fifteen forms previously identified in the Washita 
division of the North Texas region, as follows: 
Gryphza tucumecarii Marcou. Inoceramus comancheana Cragin. 
Grypheea pitcheri Morton. Trigonia emoryi, Conrad. 
Exogyra forniculata White. Nucula catherina Cragin. 
Exogyra texana Roemer. Corbula crassicostata Cragin. 
Avicula leveretti Cragin ? Trochus texana Roemer. 
Cardium (Protocardia) texanum Schlenbachia peruvianus von 
Conrad. Buch. 
Cyprimeria sp. Sphenodiscus sp. 
Turritella, related to T. seriatim- Total fifteen. 
granulata Roemer. 
Am. Jour. Sc1.—THIRD SERIES, Vou. L, No. 297.—SEPTEMBER, 1895. 
15 
