371 



Macro 



H/$^ 



opposite sides ; fig. 6, another shell broken so as to show the 

 thick and inner lip, columellar fold and broad groove more 

 plainly. Upper coal measures in Iowa and Indiana. — See Poly- 

 phemopsis fusiformis. XIII. 



Macrocheilus hamiltonise. Hall. 15th Annual Keport^ 



Vin ^JriSk^ ^^^ ^^^'^^' ^^^^' P^S^ ^^5 P^^^^ ^5 fig^^^ 2- ^^■■ 

 sembles somewhat the carboniferous M. ve7itri- 



cosus^ but has a larger and not so slender a spire, 

 /f^//llllHF' ^^^^ ^^^ ^^^^ ^^^ whorls are ventricose. — Hamilton 

 JSi^^/A^ ^^^^^^^'^^' VIII c. 



Macrocheilus hebe. Hall. 15th Annual Rt., 1862, page 48, 

 VUSC.^^-->^ plate 4, ^g, 1. ^'This shell has all the charac- 



ters of the genus Macrocheilus of the Coal 

 Measures, and is the second well marked spe- 

 ^^ ^"-- cies I have observed in the Hamilton group?^ 

 Like M. newherryi, ( Carloniferous) with some difi*erences. 

 HiiFers also from M. ventricosus. — Goniatite {Hamilton) lime- 

 stone.^ at Manlius, N. Y. — YIlIc 



Macrocheilus inhabilis. See Mach. primigenius. XIIL 

 Macrocheilus klipparti. See Appendix. 



Macrocheilus? littonanus. {Natica littonana, Hall, 

 Trans. Alb. Inst., 1856. Mach. littonamis., Whit- 

 field, Bull. 3, Am. Mus. Nat. Hist. 1882, plate 85 

 fig. 28.) Collett's Indiana Survey Rt. of 1883, 

 page 369, plate 31, fig. 28, magnified four times., 

 front view. Resembles littorina pusilla^ Mc- 

 Coy-s Carb. Foss. Ireland. At Bloomington, 

 ^31. Ind. Sulcarhoniferous. XI. 



Macrocheilus {Holopea) macrostomus, Hall, 15th An- 



Vnic 



nual Report, New York, 1862, page 49, plate 4, 

 fig. 3. — Like some of the Platystomata shells, 

 but texture of shell and surface marks difi'erenfc. 

 Fine equal growth-lines strongly directed back- 

 wards from the suture. Like Holopea ; but ap- 

 %, perture and columella not having been seen, re- 

 lationship can only be suspected. Hamilton lime shales., Mad- 

 ison Co., N. Y.— VIIIc. 



Macrocheilus (Soleniscus?) medialis. (Meek and 



