: - MEDINA FAUKA 289 



Grabau^^ are now referred to the Cataract formation. The localities 

 given are the type localities for the species, and the symbols are as fol- 

 lows: * = restricted to Medina formation, X ^ of no stratigraphic 

 value, + = also in higher formations, -| — |- = affinity "upward, and c = 

 also in Cataract, 



Probable Burrows : 



XFucoides heterophyllus Hall, 1843, 1852. Rochester. 

 XFucoides aurlformis Hall, 1843, 1852. Rochester and Medina. 



Burrows : 



cXScoUthus verticalis Hall, 1852. Monroe County. 



X Palwophycus tortuosum Hall, 1852. Rochester. These forms occur only 

 in the upper portion of the Queenston and are burrows that are badly 

 distorted by consolidation of the muds. 

 *Dw(talus archimedes (Ringueberg). Lockport. As Spirophyton archi- 

 medes (see Sarle, Proc. Rochester Acad. Sci., 4, 1906:203). De- 

 scribed by Hall as Arthrophycus sp. (Pal. N. Y., II, 1852:6, pi. 2, 

 fig. 2). 

 * Arthrophycus ulleghanicnse (Harlan). Tuscarora sandstone, 10 miles 

 east of Lewiston, MiflBin County, Pennsylvania. The following is the 

 synonymy : 

 Fucoides alleghaniensis Harlan, Jour. Acad. Nat. Sci. Phila., 6, 1831 : 



289, pi. 15, figs. 1-3. 

 Fucoides alleglianicns'is Harlan, Med. and Phys. Researches, 1835: 



393, fig. 1. 

 Fucoides Brongniartli Harlan, ibid. : 398, fig. 2. 

 Encrinus gigcuiteus Eaton, Geol. Text-book, sec. ed., 1832:37, pi. 1, 



fig. 8. 

 Fucoides harlani Conrad, Second Aim. Rept., N. Y. State Geol. Surv., 



1838: 113 (not defined, but F. 'brongniartii cited as syn.). 

 Fucoides harlani Hall, Geol. N. Y., Fourth Dist, 1843:46, figs. 1, 2. 

 Arthroi)hycus harlani Hall, Pal. N. Y., II, 1852: 5, pi. 1, fig. 1 ; pi 2, 



figs. la-c. 

 Arthrophycus alleghaniensis Sarle, Proc. Rochester Acad. Sci., 4, 

 1906 : 203. 

 Bryozoa: 



X Pachydictya, sp. undet. A fine large foliar form with pointed monti- 

 cules. Lockport. Original in American Museum of Natural History. 

 X Trepostomata Bryozoa. Medina. One or more species in American 

 Museum of Natural History. 

 Brachiopoda : 



*Lingula cuneata Conrad, 1839 (Third Ann. Rep. : 64). Medina. 

 -\--\-8chuchertella, sp. undet. This species is identified by Whitfield as 

 Strophonella (?) orthididea of the Clinton. The originals are in the 

 American Museum. 

 -}- -{-Camarotoechia (?) pUcata (Hall), 1852. Lockport. May be related to 

 Rhynchotreta cuneata of the higher formations. 



•«oLoc. cit. 



