940 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Palaeophycus irregulare Hall. 



Paleeophycus irregularis Hall, Pal. New York, 1, 1847, p. 8, pi. 2, fig. 3. Lesley, 



Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 587, fig. 

 Canadian (Beekmantown) : Near Chazy, near Keeseville, etc., New York. 



Palaeophycus obscurum Billings. 



Palseophycus obscurus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 98 



(adv. sheets, 1862). 

 Trenton: Ottawa, Ontario. 



Palssophycus rugosum Hall. 



Palseophycus rugosus Hall, Pal. New York, 1, 1847, p. 63, pi. 21, fig. 2. James, 



Jour. Cincinnati Soc. Nat. Hist., 7, 1885, p. 157. 

 Trenton: Middleville, etc., New York. 



Palaeophycus simplex Hall. 



Palaeophycus simplex Hall, Pal. New York, 1, 1847, p. 63, pi. 22, figs, la-d. 

 James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, p. 158. Lesley, Geol. Surv. 

 Pennsylvania, Rep. P 4, 1889, p. 587, figs. 

 Trenton: Middleville, New York. 



Palaeophycus striatum Hall. 



Palaeophycus striatus Hall, Pal. New York, 2, 1852, p. 22, pi. 10, fig. la-d, 2. 

 Clinton: Clinton, New York. 



Palaeophycus tortuosum Hall. 



Palseophycus tortuosus Hall, Pal. New York, 2, 1852, p. 6, pi. 3, figs. 2a, b. 

 Richmond (Queenston): Irondequoit Bay, and mouth of Genesee River, New 

 York. 



Palseophycus tubulare Hall. 



Palseophycus tubularis Hall, Pal. New York, 1, 1847, p. 7, pi. 2, figs. 1, 2, 4, 5. 



Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 588, fig. 

 Canadian (Tribes Hill): Amsterdam, Canajoharie, etc., New York. 



PAKSJOPHYLLUM Billings. See Columnaria subgenus Palseophyllum. 

 PAL.EOPHYLLUM DIVARICANS Nicholson. See Streptelasma divaricans. 

 PALSEOPHYLLUM RUGOSUM Billings. See Columnaria (Palaeophyllum) stokesi. 

 PAL^OPORA INTERSTINCTA var. SUBTUBULATA McCoy. See Heliolites subttibulatus. 

 PAKSJOPORA MEGASTOMA McCoy. See Heliolites megastoma. 



PAL.EOPTERIA Whiteaves. Genotype: P. parvula Whiteaves. 



Palseopteria Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 181. , 



Palseopteria parvula Whiteaves. 



Palseopteria parvula Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 



181, pi. 20, figs. 1-3. 



Pterinea parvula Miller, N. A. Geol. Pal., 2d App., 1897, p. 784 (gen. ref.). 

 Black River or Richmond: Inmost Island, Lake Winnipeg, Canada. 



PALJEOSACCUS Hinde. Genotype: P. dawsoni Hinde. 



Palseosaccus Hinde, Geol. Mag., dec. 3, 10, 1893, p. 57. Dawson, Trans. Roy. 

 Soc. Canada, 2d ser., 2, sec. 4, 1896, p. 112. Miller, N. A. Geol. Pal., 2d App., 

 1897, p. 722. 



