704 bull?:tin 53, united statp:s national museum. 



24540. Zaphrentis ? multilamella Hall ? Plesiotypes. 



Upper Carboniferous. Strongs Knob, Great Salt Lake, 

 Utah. 



Meek, Rept. U. vS. Geol. Expl. 40th Par., IV, Pt. I, 1S77, p. 53, 

 pi. 6, figs. 4a, 4b. 



1 175. Zaphrentis recta Meek. Cotypes. 



Ba.se of Upper Devonian. Anderson River, Mackenzie 

 River Basin, Canada. 



Meek, Trans. Chicago Acad. vSci., I, 1868, p. 82, pi. 11, figs, i, la. 



9192. Zaphrentis spinulifera Hall. Plesiotype. 



St. Louis (Miss.). Marion County, Iowa. 

 White, Amer. Journ. Sci. (3), V, 1873, p. 72. 



15055. Zaphrentis stansburii Hall. Cotypes. 



Upper Carboniferous. Stansburys Island, Great Salt 

 Lake, Utah. 



Hall, Stansbury's Expl. and Surv. Valley Great Salt Lake, Utah, 

 1852, p. 408, pi. I, figs. 3a, b. 



24541. Zaphrentis ? stansburii Hall? Plesiotypes. 



Upper Carboniferous. Boxelder and Logans Peaks, 

 Wasatch Range, Utah. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 54, 

 pi. 6, figs. 3-3C. 



35372. Zaphrentis tantilla Miller. Plesiotypes. 



Ouray (Miss.). San Juan Region and Crested Butte 

 District, Colorado. 

 Girty, Prof. Pap. No. 16, U. vS. Geol. Surv., 1903, p. 269. 



33305. Zaptychius carbonaria Walcott. Holotype. 



Lower Carboniferous. Eureka District, Nevada. 

 Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 263, fig. 7. 



39936. Zeaecrinites magnoliaeformis Troo.st. Chirotype. 



Mississippian. Near Huntsville, Alabama. 



Troost, Proc. Amer. Assoc. Adv. Sci., II, 1850, p. 61. 



20129. Zirphaea plana White. Holotype. 



Chico (Cret. ) . Martinez, Contra Costa County, California. 



White, Bull. No. 51, U. S. Geol. Surv., 1889, p. 15, pi. 4, fig. 22. 



46575. Zittelella lobata Ulricli and Everett. Eigured .sections of 



cotype. 

 Stones River (Ord.). Dixon, Illinois. 



IHrich and Everett, Geol. Surv. 111., VIII, 1890, p. 270, pi. 4, 

 figs. 3I), 3c. 



46576. Zittelella typicalis Ulrich and Everett. Figured sections of 



cot5'pe. 

 Stones River (Ord.). Dixon, Illinois. 



Ulrich and Everett, Geol. Surv. 111., VIII, 1890, p. 268, pi. 5, 

 figs. 3a, 3b. 



o 



