270 CALIFORNIA ACADEMY OF SCIENCES. 



AMPYX. ANOMOCAKE. 



RUSTiLiu.s Bill., 1865; Pal. Foss., vol. 1, p. 296. 4 miles NE. from 



Portland Creek, N. F. 



RUSTiLius Vogd., 1893; American Gaol., vol. 11, p. 108. 



SEMIC0ST.4TUS Bill., 1865; Pal. Foss., vol. 1, p. 297, fig. 287. Table 



Head and Pistolet Bay, 4 miles NE. from Portland Creek, N. F. 

 This species differs so slightlj' from A. rusiilius, which occurs in 

 the same bed, that the author hints that they should be united 

 under A. rustilius. 



SEMicosTATUS Vogd., 1893; American Geol., vol. 11, p. 108, fig. 6. 



Angelixa Salt., 1864; Mem. Geol. Siirvey United Kingdom, decade xi, pi. 7. 

 Type, Angelina sedgwicki Salt. Taconic. 



hitchcocki VVhitf., 1884; Bull. Am. Mus. Nat. Hist. New York, vol. 1, p. 



148, pi. 14, fig. 13. (See Proiypus hitchcocki.) Baintree, Mass. 



Anomocare Aug., 1852; Palaeont. Scand., p. 24. Taconic. 



AXOMOCARE CHIPPEWAENSIS. 



Lonchoctphalus chippewaensls Owen, 1852; Kep. Geol. Survey 

 Wisconsin, Iowa and Minnesota, p. 576, pi. 8, figs. 6, 14; pi. 1 a, 

 fig. 9. Ked Cedar or Menomonie branch of the Chippewa. 



Conocephalites chippewaensis (Owen) Shumard, 1803; Trans. St. 

 Louis Acad. Sci., vol. 2, p. 104. 



Lonchocephus hamctlus Owen, 1852; Geol. Survey Wisconsin, Iowa 

 and Minnesota, p. 576, pi. 1 a, figs. 8-12. Near the mouth of 

 the Miniskah River at Mountain Island. 



undet. Trilobite, Owen, 1848; Geol. Eeconnoissauce Chijjpewa Land 



Dist., p. 15, pi. 7, fig. 5. 

 ConocephaUteH hamulus Slium., 1863; Acad. Sci. St. Louis, vol. 2, 



p. 104. 

 Conocephalites hamulu.s Hall, 1863; 16th Rep. New York State Cab. 



Nat. Hist., p. 166, pi. 7, figs. 43, 44; pi. 8, figs. 25, 26. 



hamclfs Dames, 1884; China (Eichthofen), vol. 4, p. 24. 



Conocephalites patersoni Hall, 1863; 16th Rep. New York State Cab. 



Nat. Hist., p. 159, pi. 7, figs. 45, 46. Trempleau, Wis. Dicello- 



ceiihalus zone. 



PATERSOXi Dames, 1884; China (Richthofen), vol. 4, p. 24. 



? PARViiM Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, 



vol. 8, p. 59, pi. 9, fig. 17. West slope of Prospect Mountain, 



Eureka District, Nev. Olenellus zone. 

 ? PARVTJM Wal., 1886; Bull. U. S. Geol. Survey, No. 30, p. 209, pi. 



25, fig. 1. 

 ? PARVUM Wal., 1890; 10th Rep. U. S. Geol. Survey, p. 653, pi. 96, fig. 2. 



Prof. Matthew in a letter to the author says: "The long jDrominent 



glabella and volutted frontal limb, with furrows between it and 



the glabella, are characters of Strenuella; also, the prominent eye 



lobes and strong occipital ring." 



