662 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



43616. Trematopora ? primigenia ornata Ulrich. Holotype. 



Black River (Ord.). Minneapolis, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. I, 

 1S93, p- 3 IO > pl- 21, figs- 26, 28, 33, 34. 



43617. Trematopora ? primigenia spinosa Ulrich. Cotypes. 



Black River (Ord.). Minneapolis, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. I, 



1S93, P- 3 10 * pl- 21, figs. 29, 30, 35, 36. 



43618. Trematopora tuberculosa Hall. Plesiotypes and figured 



sections. 

 Rochester (Sil.). Lockport, New York. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., VI, 1883, p. 259, pl. 13, 

 figs. 2, 2a, 2b. 



44108. Trematopora whitfieldi Ulrich. Cotypes. 



Niagaran (Sil.). Waldron, Indiana. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., VI, 1883, p. 262, pl. 13, 

 figs. 4, 4a. 



341 19. Trematospira hippolyte (Billings)? Plesiotype. 



Helderbergian (Lower Dev. ) Atoka quadrangle, Indian 

 Territory. 



Girty, Nineteenth Ann. Rept. U. S. Geol. Surv., 1900, p. 566, 

 pl. 71, fig. 3a. 



13843. Trematospira infrequens Walcott. Holotype. 



Middle Devonian. Lone Mountain, near Eureka, Nevada. 

 Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 151, pl. 4, figs. 3-3D. 

 = Anoplotheca infrequens. 



46543. Trepospira convexa Ulrich. Cotypes. 



Lower Coal Measures. Seville, Illinois. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 10S1, figs. i2d-g. 



46542. Trepospira illinoisensis (Worthen). Plesiotype. 



Carboniferous. Peoria, Illinois. 



Ulrich, Geol. and Nat. Hist. Sun-. Minn., Final Rept., Ill, Pt. 

 II, 1S97, p. 10S1, fig. i2h. 



46020. Trepospira sphaerulata (Conrad). Plesiotypes. 



Coal Measures. Near Springfield, Illinois. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1081, figs. I2a-i2c. 



4966. Triarthrus beckii Green. Plastotype. 



Utica (Ord.). Cahooes Falls, New York. 



Green, Mon. Trilobites N. America, Phila., 1832, p. 87. Cast 

 No. 34. 



1 1 1640. Trichotropis dalli Whitfield. Cotypes. 



111641. Miocene. Shiloh, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 127, pl. 23, 

 figs. 1-4. 



= Isapis dalli. 



