BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 973 



Phragmolites obliquus (Ulrich and Scofield). 



Conradella obliqua Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 906, 



pi. 67, figs. 1-6. 



Black River (Decorah): St. Paul, Cannon Falls, etc., Minnesota. 

 Cotypes. Cat. Nos. 45758, 45759, U.S.N.M. 



Phragmolites pannosus (Billings). 



Cyrtolites pannosus Billings, Cat. Sil. FOBS. Anticosti, Geol. Surv. Canada, 1866, 



p. 20. 

 Conradella pannosa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 859 



(gen. ref.). 

 Richmond (English Head and Charleton): Charleton Point, etc., Anticosti. 



Phragmolites similis (Ulrich). 



Conradella similis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 906. 

 Black River (Lowville): Mercer and Boyle Counties, Kentucky. 

 Cotypes. Cat. No. ^7568, U.S.N.M. 



Phragmolltes triangularis (Ulrich and Scofield). 



Conradella triangularis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 908, 

 pi. 67, figs. 19-22. 



Phragmolith.es triangularis Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 

 617, fig. 828a, b. 



Black River (Platteville) : Minneapolis, Minnesota; Janesville and Beloit, Wis- 

 consin; Dixon, Illinois. 



Cotypes. Cat. Nos. 45760-45762, U.S.N.M. 



PHRAGMOSTOMA Hall. See Carinaropsis Hall. 

 PHRAGMOSTOMA NATATOR Hall. See Carinaropsis cymbula. 



Phycograptus Gurley. Genotype: P. brachymera Gurley. 



Phycograptus Gurley, Jour. Geol., 4, 1896, p. 89. Miller, N. A. Geol. Pal., 2d 

 App., 1897, p. 729. Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, 

 p. 244. 



Observation. Genus not recognized as valid. The genotype is based on the 

 frontal view of a Dicellograptus and the second species is not a graptolite. 



Phycograptus brachymera Gurley. Not recognized. 



Phycograptus brachymera Gurley, Jour. Geol., 4, 1896, p. 89, pi. 5, fig. 6. Ruede- 

 mann, Mem. New York State *Mus., 11, pt. 2, 1908, p. 245, fig. 150. 

 Chazyan (Normanskill): Stockport, New York. 



Phycograptus Isevis (Hall). 



Graptolithus? laevis Hall, Pal. New York, 1, 1847, p. 274, pi. 74, fig. 7. Chapman, 



Canadian Jour., n. s., 1, 1856, p. 390. 



Phycograptus laevis Gurley, Jour. Geol., 4, 1896, pp. 89, 100 (gen. ref.). Ruede- 

 mann, Mem. New York State Mus., 11, pt. 2, 1908, p. 246. 

 Utica: Turin, Lewis County, New York. 



Observation. Hall's type shows no structure and a second specimen appears 

 to be made up of slender sponge spicules. Name should be dropped. (Ruede- 

 mann, 1908.) 



PHYLLODICTYA Ulrich. Genotype: P. frondosa Ulrich, 



Phyllodictya Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 153. Miller, 



N. A. Geol. Pal., 1889, p. 315. Ulrich, Geol. Surv. Illinois, 8, 1890, p. 390; 



Geol. Minnesota, 3, 1893, p. 141. Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 



1894, p. 15. Ulrich, Zittel's Textb. Pal. (Engl. ed), 1896, p. 280. Simpson, 



