682 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. 



HO!»IALONOTUS— Continued. 



Geol. Pal., 1889, p. 550. — Koken, Die Leitfossllien, Leipzig, 1896, p. 23, 

 fig. 14, figs. 4-6.— Grabau, Bull. Buffalo Soc. Xat. Sci., G, 1899, p. 312; ibid., 



7, 1901, p. 221.— Beecher, Zittel-Eastman Textb. Pal., 1, 1900, p. 635.— Lind- 

 strom, Kongl. Sven. Vet.-Akad. Ilandl., 34, Xo. 8, 1001, p. 57.— Grabau, 

 Bull. Xew York State Mu.s., 45, 1901, p. 221.— Woodward, Geol. Mag., dec. 4, 

 10, 1903, p. 20.— Grabau and Shimer, X. A. Index Fossils, 2, 1910, p. 316.— 

 Ra>Tnond, Zittel-Eastman Textb. Pal., 1913, p. 724. 



Trimerus Green, Tril. Xorth America, 1832, p. 81.— Salter, Mou. British Tril., Pal. 

 Soc, 1865, p. 104.— Zittel, Handb. Pal., 2, 1885, p. 605.— Koken, Die Leit- 

 lossilien, Leipzig, 1896, p. 23. — Clarke, Arch. Mus. Xac. Rio de Janeiro, 9, 

 1890, p. 10, footnote.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 724. 



Dipleura Green, Mon. Tril. Xorth America, 1832, p. 78.— Salter, Mon. BritLshTril., 

 Pal. Soc, 1865, p. 105.— Zittel, Handb. Pal., 2, 1885, p. 605.— Koken, Die 

 Leitfossilien, Leipzig, 1896, p. 23. — Beechcr, Amer. Jour. Sci., 4th ser., 3, 

 1897, p. 105, pi. 3, fig. 27.— Clarke, Arch. Mus. Xac. Rio de Janeiro, 9, 1890, 

 p. 10, footnote.— Raymond, Zittel-Eastman, Textb. Pal., 1913, p. 724. 



Brongniartia Eaton, Geol. Textb., 1832, p. 32, pi. 2, fig. 20; Amer. Jour. Sci., 22, 

 1832, p. 165.— Edwards, Hist. Nat. d. Crust., 3, 1840, p. 346.— Salter, Mon. 

 British Tril., Pal. Soc, 18G5, p. 104.— Zittel, Handb. Pal., 3, 1885, p. 605.— 

 Koken, Die Leit fossil ien, Leipzig, 1896, p. 23. 



Brongniatia Green, Mon. Tril. North America, 1832, p. 90. 



Ho.MALONOTUs ATL.vs Casteluau. See Homalonotus delphinocephalus. 



Homalonotu.s? bistrami Hoek. 



Homalonotus bistrami Hoek, Neues Jahrb. Min., Geol. Pal., 34, 1912, p. 249, pi. 



8, figs. 19, 20. 

 Ordovician: Cochabamba, Bolivia. 



Homalonotus dawsonl Hall. 



Homalonotus dawsoni Hall, Canadian Nat. Geol., 5, 1860, p. 155, fig. 17. — Dawson, 



Acad. Geol., 2d ed., 1808, p. G06, fig. 214; Canadian Xat. Geol., 5, 1860, p. 



298, fig. 1; Acadian Geol., Suppl. Chap., 1860, p. 57, footnote; p. 68, fig. (J3; 



ibid., 2d ed., 1878, p. 77, fig. 14; Geol. Mag., dec. 2, 4, 1877, p. 57, fig. 2. 

 Silurian (Moydart, Stonehouse): Arisaig, Xova Scotia. 



Homalonotus delphinocephalus (Green). 



Trimerus delphinocephalus Green, Mon. Tril. Xorth America, 1832, p. 82, pi. 32, 

 fig. 1. — Harlan, Trans. Geol. Soc. Pennsjlvania, 1, pt. 1, 1834, p. 105. — 

 Raymond. Zittcl-EiU'tman Textb. Pal.. 1913, p. 724, fig. 1402. 



Brongniartia platycephala Harlan, Trans. Geol. Soc Pennsylvania. 1, j)t. 1, 18.34. 

 p. 105. 



Homalonotus atlas Castelnau, Ess. Syst. Sil. I'Amer. Sept., 1843, p. 20, pi. 4, fig. 4. 



Homalonotus giganteus Castelnau, ibid., p. 20, pi. 3, fig. 1. 



Homalonotus herculaneus Castelnau, ibid., p. 20, pi. 4, fig. 5. 



Ogygiea latLssimus Eaton, Amer. Jour. Sci. and Arts, 21, 1832, p. 136. 



Homalonotus delphinocephalus Murchison, Sil. Syst., 1839, p. 651. — Hall, Geol. 

 New York, pt. 4, 1843, p. 103, fig. 34, tab. org. rem., 11, fig. 1. — Owen, Amer. 

 Jour. Sci. Arts, 48, 1845, p. 307, pi. .34. p. 311.— Hall, Pal. Xew York, 2, 18.52, 

 p. 104, pi. 31, figs. 5a-b; p. 300, pi. 68, figs. 1-14.— Billings, Canadian i\.it., 

 Geol., 1, 1856, p. 320, fig. 10.— Linrklaon, 14th Rep. Xew York SUite Cab. 

 Nat. Hist., 1861, pi. 8, fig. 4.— Hall, Trans. Albany Inst., 4, 18«).3, p. 227.— 

 BillinjTs, Geol. Canada, Geol. Surv. Canada, 1863, p. 319, fig. 339.— Chapman, 

 Canadian Jour., n. s., 8, 1863, p. 32, fig. 148; p. 212, fig. 222; Expos. Min. 



