800 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Meristina profunda sinosa Grabau. 



Meristina profunda mut. sinosus Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, 



p. 161, pi. 21, figs. 14-16. 

 Lower Monroan (Raisin River): Claim 432, Monroe County, Michigan. 



Meristina rectirostris Hall. 



Meristella rectirostra Hall, Desc. n. sp. Fossils from Waldron, Indiana, 1879, p. 



15; 11th Rep. State Geol. Indiana, 1882, p. 301, pi. 27, figs. 10-14; Trans. 



Albany Inst., 10, 1883, p. 71. — Beecher and Clarke, Mem. New York State 



Mus., 1, 1889, p. 67, pi. 7, figs. 4, 5, 11-13. — Lesley, Geol. Surv. Pennsylvania,' 



Rep. P 4, 18S9, p. 394, figs. 

 Meristina rectirostra Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 68, figs. 



52, 53, pi. 41, figs. 18-21.— Beecher, Amer. Jour. Sci., 3d ser., 44, 1892, p. 



146.— Kindle and Breger, 28th Ann. Rep. Bep. Geol. Nat. Res. Indiana, 1904, 



p. 445, pi. 9, figs. 21-24. 

 Niagaran: Waldron, Indiana (Waldron); Little Beer Creek, Carroll County, 



Indiana. 



Meristina trisinuata (McChesney). 



Pentamerus trisinuatus McChesney, Besc. New Pal. Fossils, 1861, p. 86. 

 Athyris? trisinuatus McChesney, Trans. Chicago Acad. Sci., 1, 1868, p. 33, pi. 8, 



fig- 2. 

 Meristina trisinuata Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 270. 

 Niagaran (Racine): Milwaukee, Wisconsin. 



MERISTOSPIRA Grabau. Genotype: M. michiganensis Grabau. 



Meristospira Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 158. — Schuchert, 

 Zittel-Eastman Textb. Pal., 1913, p. 415. 



Meristospira michiganensis Grabau. 



Meristospira michiganense Grabau, Michigan Geol. Surv., Geol. Ser. 1, 1909, p. 



159, pi. 20, figs. 5, 6, 7-11; pi. 21, figs. 4-6. 

 Upper Monroan (Arnherstburg): Woolmith quarry, Monroe County, Micliigan. 



MEROCRINUS Walcott. Genotype: M. typus Walcott. 



Merocrinus Walcott, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 208, fig. 

 (adv. sheets, 1883, p. 2). — Wachsmuth and Springer, Proc. Acad. Nat. Sci. 

 Philadelphia, 1886, pp. 115, 139 (Rev. Pal.,pt. 3, sec. 2, pp. 191, 215); ibid., 

 1890, p. 380.— Faber, Jour. Cincinnati Soc. Nat. Hist., 9, 1886, pp. 18, 19.— 

 Miller, N. A. Geol. Pal., 1889, p. 262.— Bather, Geol. Mag., dec. 4, 6, 1899, 

 p. 33, fig. 4; Ann. Mag. Nat. Hist., 6th ser., 5, 1890, p. 332, pi. 14, fig. 11; 

 Geol. Mag., dec. 4, 3, 1896, p. 73; Treatise on Zool., pt. 3, Echinoderma, 

 London, 1900, p. 178, fig. 96; Bull. Victoria Memorial Mus., 1, 1913, p. 1.— 

 Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 215. 



Merocrinus corroboratus Walcott. 



Merocrinus corroboratus Walcott, 35th Rep. New York State Mus. Nat. Hist., 1882, 



p. 210, pi. 17, fig. 6. 

 Trenton: Trenton Falls, New York. 



Merocrinus curtus (Ulrich). 



Dendrocrinus curtus Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 18, pi. 7, 



fig. 14. 

 Merocrinus curtus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 



1886, p. 140 (Rev. Pal., pt. 3, sec. 2, p. 216).— Faber, Jour. Cincinnati Soc. 



Nat. Hist., 9, 1886, p. 19, pi. 1, fig. 2.— Miller, N. A. Geol. Pal., 1889, p. 262, 



fig. 367. 

 Eden (Fulton): Cincinnati, Ohio, and vicinity. 

 Holotype— Cat. No. 42103, U.S.N.M. 



