Fuco. 



252 



page 172, fig. 43. Portage formation^ VIII f. — In the Pa. R. 

 R. cut below Huntingdon on the Juniata, beds No. 63 of 

 White's section (T3, 265) are covered with Mud flow casts 

 (See Mudflow below), and hold also fucoides grophica. This 

 wears a significant resemblance to the phenomenon in Western 

 New York. It casts doubt on supposed volcanic rmidUovas. 

 Fucoides harlani. See Arthrophycus harlani. IV, 

 Fucoides radians. Rhacopliyllum adnascens. XIII, 

 Fucoides secaUmis. See Diplograptus simplex. M, C. 

 Fucoides simplex. See Diplograptus simplex. M. C, 

 Focoides verticalis. Hall, Geology of Western (4th) Dis- 



MlNb. 



i* ^• 



trict, N. Y., 1843, page 242, fig. 105. Portage, VIII J, 



Fucoidal markings by D. D. Owen. See Appendix, 



Fusulina cylindrica. (Fischer, Oryct. da gou\rernement 



de Moscou.) Collett's Indiana Rt, 

 1883, page 116, plate 23, fig. 1, a group, 

 natural size\ 2, a long one, enlarged'^ 

 fig. 3, cross section still more enlarged. 

 Common size and shape, that of a grain 

 of wheat ; often much smaller ; in Indiana rarely more than 

 half as large ; sometimes slenderer, sometimes rounder. — Coal 

 Measures, everywhere, all over Europe and America. In In- 

 diana especially at Lodi, in limestone roof of Coal K, Collett. 



