310 AMERICAN FOSSIL BRYOZOA. [bull. 173. 



Monotrypa sphserica (Hall) — Continued. 



1SS7. Favositess sphferk'u.s. Hall and Simpson, Pal. New York, VI, p. 9, pi. vii, 



1-12, pi. viii, 8. 

 1879. Favosites minimus. Hall, Thirty-second Ann. Rep. New York State 

 Museum, p. 147 (reprint, 1880, p. 9). 

 Lower Helderberg: Clarksville, New York. 



Monotrypa ? spinosula Hall and Simpson. See Monotrypa ? ; spinu- 



losa Hall and Simpson. 



Monotrypa ? ? spinulosa Hall and Simpson. 



1883. Species undetermined. Hall, Rep. State Geologist New York for the year 



1882, pi. xvi, 25. 

 1887. Monotrypa ? spinosula (in error for spinulosa). Hall and Simpson, Pal. 



New York, VI, p. 67, pi. xvi, 25. 

 Lower Helderberg: Schoharie, New York. 



Monotrypa subglobosa Ulrich. See Monotrypa turbinata (James). 



Monotrypa tabulata (Hall). 



1876. C^hsetetes tabulatus. Hall, Illus. Devonian Foss., pi. xxxvii, 16, 19. 

 1879. Chajtetes tabulatus. Hall, Thirty-second Ann. Rep. New York State 



Museum, p. 149 (reprint, 1880, p. 11). 

 1883. Chfetetes ? tabulatus. Hall, Rep. State Geologist New York for tlie year 



1882, pi. ix, 12-15. 



1887. Chivtetes (Ptychonema) tabulatus. Hall and Simpson, Pal. New York, 



VI, p. 14, pi. ix, 12-15. 

 1889. Ptychonema tabulatum. Miller, North American Geol. Pal., \^. 201. 

 1893. Monotrypa tabulata. Ulrich, Geol. Minnesota, III, p. 304. 

 1897. Ptychonema tal:)ulatum. Simpson, Fourteenth Ann. Rep. State Geologist 



New York for the year 1894, pi. xvii, 9. 

 Lower Helderberg: Schoharie, New Y''ork. 



Monotrypa turbinata (elames). 



1878. Cluetetes turbinatum. James, Paleontologist, No. 2, p. 11. 



1888. Monticulipora turbinata. James and James, Jour. Cincinnati Soc. Nat. 



Hist., X, p. 161, pi. ii, lo-c. 

 1893. Monticulipora turbinata. J. F. James, Jour. Cincinnati Soc. Nat. Hist., 

 XV, p. 158. 



1879. Chpetetes subglobosa. Ulrich, Jour. Cincinnati Soc. Nat. Hist., II, p. 129, 



pi. xii, 11-116. 

 1882. Monotrypa subglobosa. Ulrich, Jour. Cincinnati Soc. Nat. Hist., V, p. 256. 

 Cincinnati (Utica): Cincinnati, Ohio, and vicinity. 



Monotrypa undulata (Nicholson). 



1875. Chaetetes undulatus. Nicholson, Geol. Mag., new ser., II, p. 176. 

 1875. Chsetetes uudulatus. Nicholson, Pal. Province Ontario, pp. 10, 33, pi. iv, 1. 

 1879. Monticulipora (Monotrypa) undulata. Nicholson, Paleozoic Tabulate 

 Corals, p. 321, pi. xiv, 3-36, 4, 4a. 



1881. Monticulipora (Monotrypa) undulata. Nicholson, Genus Monticulipora, 



p. 170, fig. 32 (not fig. 33 = M. undulata-hemispherica (J. F. James)). 



1882. Monotrypa undulata. Ulrich, Jour. Cincinnati Soc. Nat. Hist., V, p. 256. 

 1888. Monticulipora undulata. James and James, Jour. Cincinnati Soc. Nat. 



Hist., X, p. 161. 

 1893. ^lonticulipora undulata. J. F. James, Jour. Cincinnati Soc. Nat. Hist., 

 XV, p. 157. 

 Trenton : Belleville and Peterboro, Ontario. 



