300 CALIFORNIA ACADEMY OF SCIENCES. 



DALMANITES. 



(Phceton) denticulatus Meek, 1S77; U. S. Geol. Expl. 40th Par., vol. 



4, p. 49, pi. 1, figs. 10 a, b. 

 Asaphus diurus Green is referred to Coronura diurus by Clarke. (See 



note cu Coronura aspectans, p. 5.) 

 Syu., Asaphus aspectans Courad; also, Dalmanites ohioensis Meek, and 

 D. helena Hall, all from the Corniferous limestone. 



EMARGIXATUS Hall, 1876; lUns. Devonian Foss. Crust., pi. 10, fig. 2. 



Upper Helderberg. 



{Coronura?) emarginatus Hall, 1888; Pal. New York, vol.7, p. 40, pi. 



11 a, figs. 7, 8. Schoharie, N. Y. 

 EPiCRATES Bill., 1863; Proc. Portland Soc. Nat. Hist., vol. 1, p. 119, 



pi. 1, fig. 21. Stair Falls, Maine. Silurian. 



Dalmania erina Hall, 1861; Des.New Species Foss., p. 62. Williams- 



ville, N. Y. Upper Helderberg. 



Dalmania erina Hall, 1862; 15th Eep. New York State Cab. Nat. 



Hist., p. 90. 



ERINA Hall, 1876; Illus. Devonian Foss. Crust., pi. 13, figs. 3-4. 



{Chasmops) erina Hall, 1888; Pal. New Y'ork, vol. 7, p. 67, pi. 11, 



figs. 16-18. 

 Dalmania helena. (See Dalmanites aspiectans.) 

 iNTERMEDius Wal., 1877; advance sheets 31st Eep. New York State 



Cab. Nat. Hist., p. 17. Two miles north of Dunlith, HI., etc. 



Trenton. 

 iNTERMEDius Wal., 1879; 31st Rep. New York State Cab. Nat. Hist., 



p. 69. 

 Phacops? LATiCAUDA Hall, 1847; Pal. New York, vol. 1, p. 248, pi. 64, 



fig. 3. 

 Asaphus LIMULURUS Green, 1832; Monthly Am. Jour. Geol., vol. 1, 



p. 559. Niagara. 



Asaphus LIMULURUS Green, 18,32; Mou. Tril. N. A., p. 48, cast 16. 

 Phacops LIMULURUS Hall, 1852; Pal. New York, vol. 2, p. 303, pi. 67, 



figs. 1-8. Lockport, N. Y. 

 Syn., Dalmania caudata (Broug.) Koemer, 1860; Die Sil. Fauna W. 



Tenn., p. 82, pi. 5, fig. 21. 

 Dalmania logani Hall, 1860; Canadian Naturalist, vol. 5, p. 156, fig. 



18. Nova Scotia. Silurian. 



Dalmania macrops Hall, 1861; Des. New Species Foss., p. 59. 



Schoharie, N. Y. Upper Helderberg. 



Dalmania macrops Hall, 1S62; 15th Eep. New York State Cab. Nat. 



Hist., p. 87. 



MACROPS, 1876; Illus. Devonian Foss. Crust., pi. 13, figs. 9, 10. 



[Chasmops] macrops Hall, 1888; Pal. New York, vol. 7, p. 68, pi. 11 a, 



figs. 14-15. Schoharie, N. Y. 



