TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 703 



1 14852. Yoldia tarpaeia Dall. Cotypes. 



Oligocene. Alum Bluff, Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 P- 597- 



18362. Zacanthoides eatoni Walcott. Cotypes. 



24634. Lower Cambrian. Washington County, New York. 



Walcott, Proc. U. S. Nat. Mus., XII, 18S9, p. 45; Tenth Ann. 

 Rept. U. S. Geol. Surv., 1890, p. 646, pi. 94, fig. 6. 



15445. Zacanthoides levis (Walcott). Cotype. 



Lower Cambrian. Pioche, Nevada. 



Walcott, Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 646, pi. 94, 

 figs. 5~5a. 



See Olenoides levis. 



9330. Zaphrentis calceola White and Whitfield. Plesiotypes. 



9331. Kinderhook and Burlington (Miss.). Burlington, Iowa, 



and Sedalia, Missouri. 



White. Twelfth Ann. Rept. U. S. Geol. Surv. Terr., Pt. I, 1883, 

 p. 156, pi. 39, figs. 6a-d. 



9344. Zaphrentis elliptica White. Plesiotype. 



Base of Burlington (Miss.). Burlington, Iowa. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., Pt. I, 1883, 

 p. 155, pi. 39, figs. 7a, 7b. 



24539. Zaphrentis excentrica Meek. Cotypes. 



Upper Carboniferous. Boxelder Peak, Wasatch Range, 

 Utah. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1873, p. 468, 

 footnote; Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, 

 p. 52, pi. 4, figs. i-id. 



8464. Zaphrentis excentrica Meek. Plesiotype. 



Upper Carboniferous. Fossil Hill, White Pine County, 

 Nevada. 



White, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. I, 1876, 

 p. 101, pi. 6, fig. 3a. 



25683. Zaphrentis haysii Meek. Cotypes. 



Heldebergian (Lower Dev.). Cape Frazier, iVrctic 

 America. 



Meek, Amer. Journ. Sci. (2), XT, 1865, p. 32. 



14549. Zaphrentis macfarlanei Meek. Holotype. 



Base of Upper Devonian. Anderson River, Mackenzie 

 River Basin, Canada.. 



Meek, Trans. Chicago Acad. Sci., I, 186S, p. 83, pi. 11, figs. 2, 

 2a, 2b. 



15054. Zaphrentis ? multilamella Hall. Cotypes. 



Upper Carboniferous. Flat Rock, Great Salt Lake, Utah. 



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

 1852, p. 408, pi. 1, fig. 2. 



