TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 91 



24650. Barrandia ? mccoyi Walcott. Cotype. 



Upper Pogonip. (Ord. ). Ridge east of Hamburg Ridge, 

 Eureka district, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 96, pi. 12, fig. 5. 



30243. Barroisiceras hyatti Shattuck. Holotype. 



Buda (Low. Cret.). Shoal Creek, Austin, Texas. 



Shattuck, Bull. No. 205, U. S. Geol. Surv., 1903, p. 36, pi. 25, 

 figs. 3, 4- 



30242. Barroisiceras texanum Shattuck. Holotype. 



Buda (Low. Cret.). Little Bear Creek, Hays County, 

 Texas. 



Shattuck, Bull. No. 205, U. S. Geol. Surv., 1903, p. 35, pi. 25, 

 figs. 1, 2. 



41821. Barychilina pulchella Ulrich. Holotype. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 199, pi. 

 13, figs. 4a-c. 



41819. Barychilina punctostriata Ulrich. Cotypes. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 199, pi. 

 13, figs, ia-e, 2a-c. 



41820. Barychilina punctostriata curta Ulrich. Holotype. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 199, pi. 

 13, figs. 3a-c. 



15409. Bathynotus holopyga (Hall). Plesiotype. 



Lower Cambrian. Parker's Quarry, Georgia, Vermont. 



Walcott, Bull. No. 30, U. S. Geol. Surv., 1886, p. 191, pi. 31, figs. 

 1, ia; Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 646, pi. 

 95, figs. 1, ia. 



1 1595. Bathyurellus (Asaphiscusj bradleyi Meek. Cotypes. 



Middle Cambrian. Near Malade City, Northern Utah. 

 Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1872 (1873)^.484. 

 = Asaphiscus bradleyi. 



15457. Bathyuriscus howelli Walcott. Cotype. 



Middle Cambrian. Chisholm Mine, Ely Mountains, near 

 Pioche, Nevada. 

 Walcott, Bull. No. 30, U. S. Geol. Surv., 1886, p. 216, pi. 30, fig. 2. 



J 5455- Bathyuriscus productus (Hall and Whitfield). Cotypes and 

 15456. plesiotype. 



15458. Middle Cambrian. Below Argenta, Big Cottonwood Can- 



yon, City Creek, Wahsatch Mountains, and East Can- 

 yon, Oquirrh Mountains, Utah. 



Walcott, Bull. No. 30, U. S. Geol. Surv., 1886, pi. 217, pi. 30, fig. 

 i-ih. 



= Ogygia producta (partim). 



