r 



r 



TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 223 



17872. Dicellocephalus miniscaensis Owen. Cot>])e. 



Middle Canil)rian. Near mouth of Miniskah River, Minne- 

 sota. 



Owen, Rept. Geol. Surv. Wis., Iowa, and IMiiin., 1.S52, j). 574, 

 pi. lA, fig. 5. 



= Ptycliaspis niiniscaen.sis. 



17863. Dicellocephalus minnesotensis Owen. Cotj'pes. 



Upper Cand)rian. I^ake St. Croix, above vStillwater, Min- 

 nesota. 



Owc'ii, Rept. (ieol. Surv. Wi.s., Iowa, and Minn., 1.S52, j). 574, 



pi. I, fl^.S. [, 2, 111. 



See I)icelloce])lialus pejiinensis. 



24640. Dicellocephalus multicinctus Ilall and Whitfield. 



Holot\])e. 

 Upper Cand)rian. Jvureka District, Nevada. 



Hall and Whitfield, Rept. U. vS. Geol. K-xpl. 4uth Par., IV, ]'t. II, 

 1877, p. 226, pi. 2, fig. 37. 



24607. Dicellocephalus nasutus Walcott. Cot^-pes. 



Middle Cambrian. New York Canyon, luireka District, 

 Nevada. 



Walcott, Mon. VIIl, U. S. Geci. Surv., 1SS4, p. 4.., ]>!. u,, fig. 15. 



= Anoniocare nasuttis. 



24659. Dicellocephalus osceola Hall. Plesiot>pe. 



Upper Cand)rian. North of Dunderber^- Mine, Ivureka 

 Di.strict, Nevada. 



Walcott, Mow. \III, U. vS. Geol. vSurv., %SS4, ]>. 4,,, pi. 9, fig. 25. 



17567. Dicellocephalus pepinensis Owen. Cotypes. 



17568. Upper Cand)rian. Ua Grange Mountain, head of Lake 



Pepin, Minne.sota. 



Owen, Rept. Geol. vSurv. Wis., Iowa, and IMinn., 1852, p. 574, j)l. i, 

 figs. 9a, 9b; pi. lA, fig. 7. (Also pi. I, fig. 10 as D. minneso- 

 tensis.) 



15448. Dicellocephalus quadriceps Hall and Whitfield. Cotyjies. 



Middle Cambrian. Ute Peak, Wah.satch Range, Utah. 



Hall and Whitfield, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. II, 

 1877, p. 240, pi. I, figs. 37-40. 



= 01enoides quadriceps. 



15449. Dicellocephalus quadriceps Hall and \\'hitfield. 



Plesiot^'pes. 

 Middle Cand)rian. hhneka District, Nevada. 



Walcott, :\Ion. VIII, V. S. Geol. Surv., 1S84, p. 45, pi. 9, fig. 24. 



^Qlenoides quadriceps. 



