BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 959 



Peronosporites globosus Loomis. 



Peronosporites globosus Loomis, Bull. New York State Mus., 39, 1900, p. 225, pi. 



16, fig. 4. 

 Clinton (Wolcott): Rochester, New York. 



Peronosporites minutus Loomis. 



Peronosporites minutus Loomis, Bull. New York State Mus., 39, 1900, p. 225, pi. 



16, figs. 5, 6. 

 Clinton (Wolcott): Rochester, New York. 



Peronosporites ramosus Loomis. 



Peronosporites ramosus Loomis, Bull. New York State Mus., 39, 1900, p. 225, pi. 



16, fig. 1-3. 

 Clinton (Wolcott): Rochester, New York. 



PETALICHNUS Miller. Genotype: P. multipartita Miller. 



Petalichnus Miller, Jour. Cincinnati Soc. Nat. Hist,, 2, 1880, pp. 221, 222; N. A. 

 Geol. Pal., 1889, p. 452. 



Petalichnus multipartitus Miller. 



Petalichnus multipartitus Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 18S0, p. 222, 



pi. 14, fig. 2. 

 Eden (Economy): Walker Mill Road, Cincinnati, Ohio. 



PETALOCRINUS Weller and Davidson. 



Genotype: P. mirabilis Weller and Davidson. 

 Petalocrinus Weller and Davidson, Jour. Geol., 4, 1896, p. 167. — Weller, Jour. 

 Geol., 6, 1898, p. 700— Bather, Geol. Mag., dec. 4, 5, 1898, p. 284— Weller, 

 Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 20— Bather, 

 Treatise onZool., pt. 3, Echinoderma, London, 1900, p. 175, fig. 91. — Springer, 

 Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 216. 



Petalocrinus inferior Bather. 



Petalocrinus inferior Bather, Quart. Jour. Geol. Soc. London, 1899, pp. 54, 426, pi. 



26, fig. 57; fig. 10. 

 Niagaran: Near Monticello, Jones Count}', Iowa. 



Petalocrinus longus Bather. 



Petalocrinus longus Bather, Quart. Jour. Geol. S ><•. London, 1898, pp. 54, 431, pi. 



26, figs. 58-65; figs. 11, 12, p. 432. 

 Niagaran (Laurel): St. Paul, Indiana. 



Petalocrinus(?) major Weller and Davidson. 



Petal ocrinus(?) major Weller and Davidson, Jour. Geol., 4, 1896, p. 170, pi. 6, fig. 1. 

 Niagaran: Jones County, Iowa. 



Petalocrinus mirabilis Weller and Davidson. 



Petalocrinus mirabilis Weller and Davidson, Jour. Geol., 4, 1896, p. 167, figs. 1, 2, 

 pi. 6, figs. 2-5.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 

 1900, p. 19, fig. 4. — Bather, Treatise on Zool., pt. 3, Echinoderma, London, 

 1900, p. 175, fig. 91. 

 Niagaran: Jones County, Iowa. 



PETIGOPORA Ulrich. Genotype: P. gregaria Ulrich. 



Petigopora Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 155; Contr. Micro- 

 Pal. Cambro-Sil., pt. 2, 1889, p. 34— Miller, N. A. Geol. Pal., 1889, p. 314 — 

 Ulrich, Geol. Surv. Illinois, 8, 1890, p. 372; Zittel's Textb. Pal. (Engl, ed.), 

 1896, p. 274. -Simpson, 14th Ann. Rop. Slate Geol. New York for 1894, 1897, 



