77G BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Lyrodesma postst datum — Continued. 



Lyrodesma poststriata Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 176, 

 figs. 167a, b — Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 36, fig. lib.— 

 Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 368, figs.— Miller, N. A. 

 Geol. Pal., 1889, p. 487, fig. 844.— Grabau and Shinier, N. A. Index Fossils, 1, 

 1909, p. 481.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 306. 



Cincinnatian: Loraine, Pulaski, etc., New York (Pulaski); Cincinnati, Ohio, and 

 vicinity (Maysville). 



Lydrodesma pulchella Hall. See Ctenodonta pulchella. 



Lyrodesma schucherii Ruedeniann. 



Lyrodesma schucherti Ruedemann, Bull. New York State Mils., 62, 1912, p. 103, 



pi. 6, fig. 12. 

 Trenton (Snake Hill): Snake Hill, Saratoga County, New York. 



Lyrodesma subplanum Ulrich. 



Lyrodesma subplanum, Ulrich, Geol. Surv. Ohio, 7, 1893, p. 683. pi. 47, fig. 8. — 



Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 136. 

 Trenton (Upper): Covington, Rogers Gap, etc., Kentucky. 

 Holoty-pe.— Cat. No. 46225, U.S.N.M. 



Lysocystis Bather. See Lysocystites Miller. 



LYSOCYSTITES Miller. Genotype': Echinocystites nodosus Hall. 



Echinocystites Hall, 18th Rep. New York State Cab. Nat. Hist., 1864, p. 12 (adv. 



sheets); 20th Rep. New York State Cab. Nat. Hist., doc. ed., 1867, p. 316; 



rev. ed., 1870, p. 360.— Zittel, Handb. Pal., 1, 1879, p. 413.— Bather, Geol. 



Mag., dec - . 4, 6, 1897, p. 381; Treatise on Zool. (Lankester), pt. 3, 1900, p. 70. 

 Echinocystis Haeckel, Amphor. und Cystoid., 1896, p. 146, pi. 4, figs. 31-34. 

 Lysocystites Miller, N. A. Geol. Pal., 1889, p. 259 (Echinocystites preoccupied). 

 Lysocystis Bather, Geol. Mag., dec. 4, 4, 1897, p. 381. 



Lysocystites nodosus (Hall). 



Echinocystites nodosus Hall, 20th Rep. New York State Cab. Nat. Hist., 1868 



(extras, 1864), p. 316, pi. 12 (3), figs. 10, 11; rev. ed., 1870, p. 361, pi. 12, figs. 



10. 11,-Chamberlin, Geol. Wisconsin, 1883, 1, p. 191, fig. 

 Lysocystites nodosus Miller, N. A. Geol. Pal., 1889, p. 259 (gen. ref.). 

 Niagaran (Racine): Racine, Wisconsin. 



Machairodus incurvus Pander. See Distacodus incurvus. 



Maclurea of authors. See Maclurites Leseuer. 



Maclurea cuneata Whitfield. See Maclurina cuneata. 



Maclurea labiatus Emmons and Owen. See Raphistonia stamlneum. 



Maclurea manitobensis Whiteaves. See Maclurina manitobensis. 



Maclurea striata Emmons. See Raphistoma striatum. 



Maclurea subrotunda Whitfield. See Maclurina subrotunda. 



MACLURINA Ulrich and Scofield. Genotype: Maclurea manitobensis Whiteaves. 

 Maclurina Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 1038-1041.— 

 Koken, Neues. Jahrb. Min., Geol. Pal., 1, 1898, p. 21. 



Maclurina cuneata (Whitfield). 



Maclurea cuneata Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 75; Geol. 

 Wisconsin, 4, 1882, p. 246, pi. 9, figs. 5-6. 



