CARBONIFEROUS PERIOD. 



349 



lateraria, from the Upper Coal measures, Kentucky. Pccten [Aviculopecten] 

 aviculatus Swallow, Kansas; Pinna per acuta Shum., Missouri, Kansas; Lima [?] 

 retifera Shum., Kansas ; Mytilus [Modiola .?] Shawneensis Shum., Kansas. 



(c.) G aster opods. — Fig. 598, Bellerophon carbonarius Cox (often referred to 

 B. Urii), Upper Coal, Kentucky; fig. 597, Pleurotomaria tabulata; fig. 599, P. 

 spherulata; fig. 600, Macrocheilus ? fusiformis ; 3Iurchisonia minima Swallow, 



Figs. 597-601. 



Gasteropods. — Fig. 597, Pleurotomaria tabulata ; 598, Bellerophon carbonarius ; 599, Pleu- 

 rotomaria spherulata; 600, Macrocheilus? fusiformis; ^01, Dentalium obsoletum. 



Missouri; fig. 601, Dentalium obsoletum. Also the Land-snail (Helix family) 

 Fiipa vet usta Dawson (fig. 601 A), half an inch long; from the Coal measures 

 of the Joggins, Nova Scotia. 



(d.) CephaJopods. — Nautilus Missauriensis Shum., Lower Coal measures, N.pla- 

 nivolvus Shum., Upper C. M. ; Goniatites politus Shum., near Middle CM.; G. 

 parvus Shum., Upper C. M. ; Orthoceras aculeatum Swallow, Upper C. M. ; O. 

 moniliforme Swallow, Upper C. M., — all from Missouri. 



4. Articulates. — (a.) Worms. — A species of Serpula of the genus Sjrirorbis, 

 Coal beds of Nova Scotia. 



(5.) Crustaceans. — Trilohites: Phillipsia Ih'ssouriensis, P. major, P. Clifton- 

 ensis, — all described by Shumard, — from the Upper Coal measures of Missouri. 



Fia:. 601 A. 



Flat. 602. 



Fig. 602 A. 



Fig. 601 A, Pupa vetusta (X l)j 602, a, Mtriapod: Xylobius Sigillarise; 602 A. Insect-Wing, 

 Blattina venusta. 



Ostracoids: Beyrichia Americana Shumard, from Missouri; also species resem- 

 bling those of the fresh-water genus Cypris in Nova Scotia. 



(c.) Myriapods. — Fig. 602, Xylobius Sigillarise Dawson, from the Coal mea- 

 sures of Nova Scotia, and supposed to be related to the modern lulus; a, organ 

 (labrum?) with its palpus, pertaining to the mouth, enlarged. The species 



