Fato. 



240 



Favosites fibrosus. Hall, Geology of the Fourth District, 



N. Y. 1843, page 

 159, figs. 62, 1 

 and 2 magniUed, 

 This fossil, witPi its 

 varieties, ranges 

 from the Clinton 

 up to the Hamil- 

 ton, The figure 

 'is from abundant 

 specimens seen on 

 the surfaces of the 

 Onondaga lime- 

 stone. ( Upp e r 

 Helderherg) at 

 Clarence, Erie Co., N. Y. It appears to be Goldiuss's Calamopora 

 Hhrosa. See Phillips, Sil. Res. p. 683, pi. 15 his^ fig. 6. — Villa, 

 Favosites forbesi, var. occidentalis. See Appendix. 

 Favosites gothlandicus. Hall, Report on Fourth district 



of New York, 1843, page 157, figs. 

 61, 2, 2a, 26. Upper Helderberg 

 formation. (2a, one tube magnified 

 twice; 2b, a fragment, showing the 

 cross lamellas of the interior). — 

 (Lamarck, Histoire des Animaux 

 sans Yertebre, 1816), — VIII a. 



The fossil is a mass of solid columns 

 showing the pores on the sides of the 

 tubes. Specimens verify Lonsdale's 

 observation that a single and a 

 double row of pores exist together 

 even on one and the same column, 



Favosites helderbergise. Hall, 26th An. Rt. 1874, Lower 

 Helderberg.— Collected by Dr. Barrett, at Port Jervis, from 

 White's Stormville limestone (G6, p. 134).— Collected by 

 White in the same, in the Montour region (G7, p. 89, 101), at 

 Esk's (247), Lime ridge (261), Appleman's (300, 348), Derr's 

 (311) quarries; and in the L. H. Stromatopora led. Low. Mah. 

 t., Northumberland Co. (376).— A large mass of it, weathered 



VJII-a. 



H.bK 



