NiCKLEs AND BAssLER.] CATALOGUE OF GENERA AND SPECIES. 317 



Monotrypa undulata-hemispherica (J. F. James). 



1881. Moiiticuliponi (JMoiuitrviJa) undulata (in part). XiclKiIsoii, Genus Mon- 



tic'ulipora, p. 170, tig. o3, -I-'''. 

 1898. Monticulipora undulata var. honiispherica. J. F. Janien, Jour. Cincinnati 

 Soc. Nat. Hi8t., XV, p. 157, tig. lOa-c. 

 Cinciiuiati (Richmond?): Toronto and Weston, Ontario. 



MONOTR'^PELLA Ulrich. Genotype: Monotrypella ivcjualis Ulrich. 



1882. Monotrypella. Ulrich, Jour. Cincinnati See. Nat. Hist., V, \>. 153. 



1883. Monotrypella. Foord, Contr. Micro-Pal. Cambro-Sil., p. 15. 

 ISS7. iNlonotrypella. Foerste, Bull. Sci. Lab. Denison laiiv., II, p. 171. 

 1887. Monotrypella. Hall and Simpson, Pal. New York, VI, p. xiii. 



1889. Monotrypella. Miller, North American Geol. Pal., j). 196. 



1890. Monotrypella. Ulrich, Geol. Pur. Illinois, VIII, pp. 377, 451. 



1896. Monotrypella. Ulrich, Zittel's Textb. Pal. (Engl, ed.), p. 278. 



1897. Monotrypella. Simpson, Fourteenth Ann. Rep. State Geologist New York, 



for the year 1894, p. 581. 



Monotrypella 1 abrupta (Hall). 



1879. Chtetetes abruptus. Hall, Thirty-second Ann. Rep. New York State 



Museum, p. 148 (reprint, 1880, p. 10). 

 1883. Chnetetes alnuptus. Hall, Rep. State Geologist New York, for the year 



1882, pi. ix, 9-11. 

 1887. Chpetetes (Monotrypella) abruptus. Hall and Simpson, Pal. New York, 



VI, p. 13, pi. ix, 9-11. 

 Lower Helderberg: Schoharie, New York. 



Monotrypella aequalis Ulrich. 



1882. Monotrypella pequalis. Ulrich, Jour, ("incinnati Soc. Nat. Hist., V, ]>. 247, 



pi. xi, 3-36. 

 1890. Monotrypella c'equalis. Ulrich, Creol. Sur. Illinois, VIII, tig. oh (p. 308), 



fig. 4a (p. 309). 

 1894. MonticuliiX)ra sequalis. J. F. James, Jour. Cincinnati Soc. Nat. Hist., 



XVI, p. 201. 

 1897. Monotrypella fequalis. Simpson, Fourteenth Ann. Rep. State Geologist 



New York for the year 1894, figs. 154-156 (p. 582). 

 Cincinnati (Utica): Covington, Kentucky. 



Monotrypella appressa Ulrich. See Eridotrypa appressa (Ulrich). 



Monotrypella ? arbuscula (Hall). 



1879. Chtetetes fruticosus. Hall, Thirty-second Ann. Rep. New York State 

 Museum, p. 148 (reprhit, 1880, p. 10). 



1883. Chaetetes fruticosus. Hall, Rep. State Geologist New York, for the year 



1882, pi. ix, 1-8. 

 1887. Chaetetes (Monotrypella) arbusculus. Hall and Simpson, Pal. New York, 

 VI, p. 12, pi. ix," 1-3 (? 4, 5), 6-8. 

 Lower Helderberg: Schoharie, New York. 



Monotrypella briarea Ulrich. See Eridotrjqja briareus (Nicholson). 

 Monotrypella confluens Foerste. See Homotrypa confluens (Foerste). 



Monotrypella ? consimilis (Hall). 



1876. Chtetetes ? consimilis. Hall, Twenty-eighth Ann. Rep. New York State 



Mus. (documentary edition), pi. ix, 7-14. 

 1879. Cha;tetes consimilis. Hall, Twenty-eighth Ann. Rep. New York State 



Museum (Museum edition), ]>. 110, ])1. ix, 7-14. 



