Macro. 



372 



\nJiJS83. 

 Macrocheilus 



Worthen, Proc. Academy of Natural 

 Sciences at Philadelphia, 1865. Illinois 

 Report, Vol. 2, 1866, plate 31, fig. 6 a, 

 5 5, from near Springfield, 111.) Col- 

 lett's Indiana, 1883, plate 34, fig. 15, 16, 

 ^ natural size, opposite sides, thickened 

 '^ lip, no fold. — Coal measures, XIII. 



(Soleniscus) newberryi. {Loxonema 

 newherryi^ Stevens Am. Jour. Sci., Vol. 25, 

 1858, page 259. Macr, new. Hall, Geol. 

 Iowa, part 2, 1858, plate 29.) Collett's In- 

 diana 1883, page 153, figs. 7, 8, natural size,, 

 opposite sides, last volute outside broken 

 34 away. Danville, 111. Coals M, 1^,—XIII? 



l^B.CTOcheilus {Soleniscus) paludinseformis. (Hall, Geol. 

 Iowa, Part 2, 1858, p. 719, plate 29, fig. 10.) Col- 



^ lett's Indiana Rt., 1883, page 154, plate 34, fig. 17, 

 natural size,, side view, outer part of last whorl 

 gone, showing fold and groove. Note. Hall sug- 

 gests that Conrad's Plectostylus is a cast of this 

 species. — Found in the Coal measures of Indiana, 



34 Illinois and Iowa. — XIII, 



Macrocheilus (Soleniscus ?) ponderosus. (Swallow, 



nn 



PI. 34 



