102 U. S. NATIONAL MUSEUM BULLETIN 212 



Type Locality: Marvel Cave, Stone County, Missouri. 



Range: Also known from near Galena, Stone County, Missouri. 



Genus TAIYUTYLA Chamberlin 



Taiyutyla Chamberlin, 1952, Chicago Acad. Sci. Nat. Hist. Misc. No. 



113, p. 1. 

 Generotype: Taiyutyla corvallis Chamberlin, by original designation. 

 Range: Oregon. 

 Species: One. 



Taiyutyla corvallis Chamberlin 



Taiyutyla corvallis Chamberlin, 1952, Chicago Acad. Sci. Nat. Hist. Misc. 



No. 113, p. 1, figs. 1, 2. 

 Type : Collection of R. V. Chamberlin. 

 Type Locality: Corvallis, Benton County, Oregon. 

 Range : Known only from type locality. 



Genus TRICHOPETALUM Harger 



Trichopetalum Harger, 1872, Amer. Journ. Sci. Arts, vol. 4, p. 117. — Cook 

 and Collins, 1895, Ann. New York Acad. Sci., vol. 9, p. 62. 



Generotype: Trichopetalum lunatum Harger, by subsequent designation 

 of Cook and Collins, 1895. 



Range: Northeastern United States, from New York and Connecticut 

 south to Tennessee and west through Illinois and Indiana to Arkansas. 



Species : Five. 



Tricliopelalwm album Cook and Collins 



Trichopetalum album Cook and Collins, 1895, Ann. New York Acad. Sci., 



vol. 9, p. 64, figs. 22-29, 36-45. 

 Type: U. S. Nat. Mus. 



Type Locality: Here restricted to Syracuse, Onondaga County, New 

 York. 



Range : Central New York, southern Ontario. 



Trichopetalum cornutum Cook and Collins 



Trichopetalum cornutum Cook and Collins, 1895, Ann. New York Acad. 



Sci., vol. 9, p. 66, figs. 46-49. 

 Type:U. S.Nat Mus. 



Type Locality: Bloomington, Monroe County, Indiana. 

 Range: Indiana and Illinois. 



Trichopetalum lunatum Harger 



Trichopetalum lunatum Harger, 1872, Amer. Journ. Sci. Arts, vol. 4, 

 p. 118. — Cook and Collins, 1895, Ann. New York Acad. Sci., vol. 9, 

 p. 63, figs. 52, 53. 



