162 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Callograptus mlnutus Spencer. 



Callograptus minutus Spencer, Canadian Nat., 10, 1882, p. 165, nom. ntid; Trans. 

 Acad. Sci. St. Louis, 4, 1884, p. 572, pi. 1, fig. 12; Bull. Mus. Univ. State 

 Missouri, 1, 1884, pp. 14, 22, pi. 1, fig. 12. Ourley, Jour. Geol., 4, 1896, pp. 

 93, 308. Bassler, Bull. U. S. Nat. Mus., 65, 1909, pp. 14, 15, fig. 13. 



Niagaran dolomite: Hamilton, Ontario. 



Callograptus minutus altus Gurley. 



Callograptus minutus altus(Gurley MS.), Bassler, Bull. U. S. Nat. Mus., 65, 1909, 



p. 15, fig. 16. 

 Niagara dolomite: Hamilton, Ontario. 



Callograptus multicaulis Spencer. 



Callograptus (Dendrograptus) multicaulis Spencer, Canadian, 10, 1882, p. 165, 



nom. nud. 

 Callograptus multicaulis Spencer, Trans. Acad. Sci. St. Louis, 4, 1884, p. 572, 



pi. 1, fig. 11; Bull. Mus. Univ. State Missouri, 1, 1884, p. 22, pi. 1, fig. 11. 



Gurley, Jour. Geol., 4, 1896, pp. 93, 308. Bassler, Bull. U. S. Nat. Mus., 65, 



1909, p. 13, fig. 14. 

 Niagaran dolomite: Hamilton, Ontario. 



Callograptus niagarensis Spencer. 



Callograptus Niagarensis Spencer, Canadian Nat., n. s., 8, 1878, p. 463; Trans. 

 Acad. Sci. St. Louis, 4, 1884, p. 571, pi. 1, fig. 9; Bull. Mus. Univ. State Mis- 

 souri, 1, 1884, p. 21, pi. 1, fig. 9. Miller, N. A. Geol. Pal., 1889, p. 175, fig. 

 144. Gurley, Jour. Geol., 4, 1896, pp. 93, 308. Bassler, Bull. U. S. Mus., 65, 

 1909, pp. 13, 14, fig. 15. 



Niagaran dolomite: Hamilton, Ontario. 



Callograptus salteri Hall. 



Callograptus salteri Hall, Canadian Org. Rem., dec. 2, Geol. Surv. Canada, 1865, 

 p. 135, pi. 19, figs. 5-8; 20th Rep. New York State Cab. Nat. Hist., 1868, pi. 4, 

 figs. 13, 14; rev. ed., 1870, p. 224, pi. 4, figs. 13, 14. Hopkinson and Lapworth, 

 Quart. Jour. Geol. Soc. London, 31, 1875, p. 667, pi. 36, fig. 10. Gurley, 

 Jour. Geol., 4, 1896, p. 300. Roemer and Freeh, Leth. pal., 1, 1897, p. 577, 

 fig. 146. Ruedemann, Ann. Rep. New York State Pal., 1902, pp. 554, 555, 

 565. Cleland, Bull. Amer. Pal., 4, 1903, p. 20, pi. 4, fig. 4. Ruedemann, 

 Mem. New York State Mus., 7, pt. 1, 1904, pp. 584-586, figs. 18, 19, pi. 3, 

 figs. 13-15. 



Canadian: Point Levis, Quebec (Levis, Didymograptus, and Diplograptus den- 

 tatus zones); Deepkill, Rensselaer County, New York (Deepkill); Tribes Hill 

 and Fort Hunter, New York. 



Ordovician (Middle Arenig): St. Davids, Wales. 



Callograptus strictus Gurley. 



Callograptus strictus (Gurley MS.) Bassler, Bull. U. S. Nat. Mus., 65, 1909, p. 15, 



fig. 17; pi. 3, fig. 3. 

 Niagaran dolomite: Hamilton, Ontario. 



CALLONEMA Hall. Genotype: Loxonema bellatula Hall. 



Callonema Hall, Pal. New York, 5, pt. 2, 1879, p. 50. Pilsbry, Zittel-Eastman 

 Textb. Pal., 1, 1900, p. 458. 



Callonema pristina Savage. 



Callonema pristina Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 117, pi. 7, 



fig. 20. 

 Upper Medinan (Channahon): Near Channahon, Will County, Illinois. 



