BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 841 



Murchisonia extenuata Hall. See Ectomaria extenuata. 

 Murchisonia funata Billings. See Hormotoma fimata. 

 Murchisonia gigantea Billings. See Hormotoma gigantea. 

 Murchisonia. cracilens Whitfield. See llormotoma gracilens. 

 Murchisonia gracilis Hall. See Hormotoma gracilis. 



Murchisonia (Hormotoma) gracilis Salter. See Hormotoma salteri canadensis. 

 Murchisonia hammelli Miller. See Lophospira hammelli. 

 Murchisonia helicteres Salter. See Lophospira helicteres. 

 Murchisonia helicteres (part) Whitfield. See Lophospira serrulata. 

 Murchisonia Hercyna Billings. See Murchisonia?? billingsana. 

 Murchisonia? Hermione Billings. See Lophospira? hermione. 

 Murchisonia Hespelerensis Whiteaves. See Lophospira hespelerensis. 

 Murchisonia humilis Miller. See Lophospira humilis. 

 Murchisonia Hyale Billings. See Plethospira hyale. 

 Murchisonia infrequens Billings. See Hormotoma infrequens. 

 Murchisonia Jessica Billings. See Lophospira Jessica. 

 Murchisonia laphami Hall. See Turritoma laphami. 



Murchisonia? latifasciata Etheridge. 



Murchisonia latifasciata Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 



600, pi. 27, fig. 1. 

 Niagaran: Offley Island, Arctic America. 



Murchisonia linearis Billings. See Coelocaulus linearis. 



Murchisonia lirata Miller. See Lophospira (?Seelya) lirata. 



Murchisonia logani Hall. See Coelocaulus macrospirus. 



Murchisonia longispira Hall. See Coelocaulus longispirus. 



Murchisonia macrospira Hall. See Coelocaulus macrospirus. 



Murchisonia major Hall. See Hormotoma? major. 



Murchisonia major Whitfield. See Hormotoma trentonensis. 



Murchisonia medialis Miller. See Lophospira rued ia lis. 



Murchisonia melaniaformis Shumard. See Hormotoma melaniaformis. 



Murchisonia milleri of authors. See Lophospira bicincta. 



Murchisonia minuta Hall. See Ectomaria minuta. 



Murchisonia missisquoi Billings. See Ectomaria missisquoi. 



Murchisonia modesta Billings. Seo Lophospira modesta. 



