TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 65 



2569S. Asaphus astragalotes Green. Plastotype. 



Middle Ordovician. Greenville Canal, Canada. 



Green, Suppl. Mon. Trilobites N. America, Phila., 1835, p. n. 

 Cast No. 37. 



= Ptychopyge astragalotes. 



24652. Asaphus caribouensis Walcott. Cotype. 



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

 Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 98, pi. 12, figs. 

 7-7b. 



4963. Asaphus caudatus (Bri'mnich). Plastotype 



Niagara (Sil.). Ripley, Ohio. 



Green, Mon. Trilobites N. America, Phila., 1S32, p. 50. Cast 

 No. 17. 



= Dalmanites limulurus. 



See Asaphus limulurus and A. wetherilli. 



4835. Asaphus ? crypturus Green. Plastotype. 



Silurian. Moose River, Nova Scotia. 



Green, Suppl. Mon. Trilobites N. America, Phila., 1835, p. 18. 

 Cast No. 41. 



= Homalonotus eiypturus. 



24651. Asaphus ? curiosa Billings. Plesiotype. 



Upper Pogonip (Ord.). Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 98, pi. 12, fig. 15. 



9824. Asaphus emoryi Hall. Holotype. 



Middle Ordovician. Locality not given. Probably from 

 near El Paso, Texas. 



Hall, Emory's Rept. U. S. Mexican Bound. Surv., I, Pt. 2, 1857, 

 p. 174, pi. 20, fig. 5. — Walcott, Palgeontologia Universalis, Ser. 

 I, Fasc. II, 1903, pis. 28, 28a. 



= Isotelus emoryi. 



1 1600. Asaphus (Megalaspis? ) goniocercus Meek. Holotype. 



? Upper Cambrian. Near Malade City, Utah. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1S72 (1873), 

 p. 480. 



17906. Asaphus (Isotelus) iowensis Owen. Cotypes. 



Trenton (Ord.). Otter Creek, Turkey River, Iowa. 



Owen, Rept. Geol. Surv. Wis., Iowa, and Minn., 1852, p. 577, 

 Tab. IIA, figs. 1, 3, 5, 6. 



= Isotelus iowensis. 



4880. Asaphus laticostatus Green. Plastotype. 



Schoharie (Dev. ). Ulster County, New York. 



Green, Mon. Trilobites N. America, 1832, p. 45. Cast No. 13. 

 = Dalmanites auchiops. 

 23232—05 5 



