384 Forty- fifth Report on the State Museum* 



Genus HOMALONOTUS, Xoenig. 1825. 



Sub-genus TRIMERUS, Green, 1832. 



Homalonotus delphinocephalus, Green. 1832. 



Monograph of the Trilobites of North America, p. 82, pi. I, fig. 1 ; 



original of Cast No. 32. 



Niagara group. " In limestone. Banks of Lake Ontario, Monroe 



county, N. Y." 



The Albany Institute donor. 



Monograph of the Trilobites of North America, p. 82; not figured. 

 Niagara group. Western New York. 



The Albany Institute donor ^ 



Palaeontology of New York, vol. ii, 1852, pi. 68, fig. 9. 

 Niagara group. Lockport, N. Y. 



Homalonotus Vanuxemi, Hall. 1859. 



Palaeontology of New York, vol. iii, p. 352, pi. 73, fig. 12. 

 Lower Helderberg group. Schoharie, N. Y. 



J. Gebhard purchase ~ 



Palaeontology of New York, vol. vii, 1888, pi. 5b, figs. 1, 2. 

 Lower Helderberg group. Kingston, N. Y. 



L. Bevier' m exchange~ 



Homalonotus- major, Whitfield. 1885. 

 Bull. Amer. Mus. Nat. His. Vol. i, No. 6, p. 193, pi. 22. 

 Palaeontology of New York, vol. vii, 1888, pi. 5a, fig. 1. 

 (Oriskany sandstone). Bank of 4th Binnewater, Rosendale, N. Y. 



L. Beviw, exchange. \ 



Subgenus DIPLETJRA, Green. 1832. 

 Homalonotus DeKayi, Green (sp.). 1832. 

 Monograph of the Trilobites of North America, p. 80, not figured. 

 Hamilton group. Madison county, N. Y. 



The Albany Institute donor. 



(*) (Nuttainia sparsa, Eaton.) 

 Geological Text-book, 2nd ed., 1832, p. 84. 

 Monograph of the Trilobites of North America, p. 89, Cast No. 35.. 

 Hamilton group. Coeymans, X. V. 



The Albany Institute donot. 



