NiCKLES AND BASSLER.] CATALOGUE OF GENERA AND SPECIES. 297 



Leiocloma sing-uljire Ulrich. Sec Trematopora ? singularis (Hall). 



LEPTOTRYPA Ulrich. Genotype: Leptotrvpa minima Ulrich. 

 1883. Leptotrvpa. Ulrich, Jour. Cincinnati Soc. Nat. Hist., VI, p. 158. 



1889. Lei)totryi)a. Miller, North Anicrican Gcol. Pal., p. 311. 



1890. U'pt()tryi)a. Ulrich, Geol. 8ur. Illinoi.'^, VllI, pp. 377, 455. 

 1893. Leptotrvpa. Ulrich, Geol. IVIinnesota, III, p. 316. 



1897. Lei)totrypa. Simpson, Fourteenth Ann. Rep. State Geologist New York 

 for the year 1894, p. 580. 



Leptotrypa? acervulosa Ulrich. 



1893. Lept()try])a acervulosa. Ulrich, Geol. Minnesota, III, p. 318, pi. xxvii, 

 24, 25. 

 Trenton: Deeorah, Iowa; Goodhue County, Minnesota; Burgin and Frank- 

 fort, Kentucky. 



Leptotrypa calceola (Miller and Dyer). 



1878. Monticulii)ora calceola. Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 



I, p. 26, pi. i, 11, 11a. 

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



p. 185, pi. i, 3-3f. 

 1883. Leptotrypa calceola. Ulrich, Jour. Cincinnati Soc. Nat. Hist., VI, p. 159. 

 1888. JNIonticulipora calceola. James and James, Jour. Cincinnati Soc. Nat. Hist., 



XI, p. 27. 

 1895. Monticulipora calceola. J. F. James, Jour. Cincinnati Soc. Nat. Hist., 



XVIII, p. 87. 

 Cincinnati (Lorraine): Cincinnati, Ohio. 



Leptotrypa clavaeoidea (James). 



1871. Chffitetes clavacoideus. James, Catal. Lower Sil. Foss., p. 1. (Only 



named. ) 

 1875. Chfetetes clavacoideus. James, Catal. Foss. Cincinnati Group, p. 1. 

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



p. 182, ng. 37. 

 1883. Leptotrypa clavaeoidea. Ulrich, Jour. Cincinnati Soc. Nat. Hist., VI, 



p. 159. 

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



Hist., XI, p. 25. 

 1895. Monticulipora^clavacoidea. J. F. James, Jour. Cincinnati Soc. Nat. Hist., 



XVIII, p. 84. 

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



Leptotrypa ? claviformis I'^lrich. 



1893. Leptotrypa claviformis. Ulrich, Geol. Minnesota, III, ]■>. 319, pi. xxvii, 

 20, 21. 

 Trenton (Black River): Minneapolis and St. Paul, Minnesota. 



Leptotrypa? clavis Ulrich. 



1883. Leptotrypa clavis. IHrich, Jour. Cincinnati Soc. Nat. Hist., VI, p. 161, pi. 

 vi, 3, 3a. 

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



Leptotrypa? cortex Ulrich. 



1883. Leptotrypa cortex. Ulrich, Jour. Cincinnati Soc. Nat. Hist., VI, p. 162. 

 Cincinnati (Utica): Covington and Newport, Kentucky. 



Leptotrypa discoidea Ulrich. See Amplexopora? discoidea (James). 



