156 



Annals of the Carnegie Museum. 



Name. 



SphcETodoma texana (Shumard 



Loxonema scitulmn Meek and Worthen X 



Loxonema pUcaliim Whitfield ' 



Strophoslylus remex (White) \ X 



Anomphalus rotulus Meek and Worthen i X 



Porcellia peoriensis Worthen j X 



Glaphurochilon carboniferous (Stevens) 



Glaphtirochilon simplex sp. nov. 



Orlhoceras mshense McChesney 



Orlhoceras lasallense Worthen 



Endobolus missouriensis (Swallow) *. . . . 



Melacoceras sangamonense (Meek and Worthen) . 



Domaloceras highlandense (Worthen) 



Cyrtoceras curturn Meek and Worthen 



Temnocheilus crassus Hyatt 



Ternnocheilus witislowi Meek and Worthen 



Soletiocheilus colleclus Meek and Worthen 



Tainoceras occidentale (Swallow) 



Gonialiles lunatus Miller and Gurley 



Griffithides scitida Meek and Worthen 



Pelalodus ohioensis Safford 



Deltodus angiilaris Newberry and Worthen 



Diplodus compressus Newberry 



Fissodus incEqiialis (St. John and Worthen) 



Cladodus occidentalis Leidy 



Agassizodus variabilis (Newberry and Worthen) 



Explanation of Plates. 

 Plate XXIV. 



1. Chonetes mesolobus Norwood and Pratten. Five pedicle valves, approxi- 

 mately natural size. Vanport limestone, New Castle, Pa. 



2. Chonetes verneiiilaniis Norwood and Pratten. Two pedicle valves, approxi- 

 mately natural size. Vanport limestone, New Castle, Pa. 



3. Squamularia perplexa (McChesney). Five specimens from the Vanport 

 limestone at New Castle, Pa. Approximately natural size. 



4. The same species. An unusually large specimen, about natural size. Van- 

 port limestone. New Castle, Pa. 



5. Spirifer rockymontanus Marcou. Three specimens from the Vanport 

 limestone at New Castle, Pa. Approximately natural size. 



6. Trachydomia wheeleri (Swallow). Four specimens from the Vanport lime- 

 stone at Rochester, Pa. Approximately natural size. 



7. Solenisciis fusiformis (Hall). A specimen from the Vanport limestone at 

 New Castle, Pa. Approximately natural size. 



8. 9. Cyathaxonia dislorla Worthen. Three specimens from the Vanport lime- 

 stone at New Castle, Pa. Approximately natural size. 



10. Seplopora biserialis (Swallow). Vanport limestone. New Castle, Pa. Ap- 

 proximately natural size. See plate XXV for an enlargement of this specimen. 



