616 Forty-fifth Report on the State Museum. 



trie markings are rare, faintly developed or wholly wanting, 

 while the radiating striae are regularly continued. 



(Type, P. proboscideus, De Yerneuil. Carboniferous.) 



Subgenus Etheridgina, OEhlert. 1887. 

 Shells of very small size, nearly as broad as long, attached 

 to foreign bodies by the spines of the pedicle- valve ; cardinal 

 line straight, nearly or quite equaling the greatest width of 

 the shell; pallial outline semicircular; pedicle-valve with a 

 small beak; surface ornamented by concentric flexuous plica 



Figs. 285, 286.— Productas (.Etheridgina) complectens, Etheridge. After Etheridge. 



tions, bearing a few scattered spines ; cardinal process 

 quadrifid. 

 (Type, E. complectens, Etheridge (sp.). Carboniferous.) 



[Note. — The continuation of this present paper upon the Brachiopoda is 

 already far advanced, and it is expected that it will be published in the Annual 

 Report of the State Geologist for 1893. The second part will include the spire- 

 bearing Genera, the Rhynchonelidse, Pentameridae and the Ferebratuloide.] 



168 



