96 SAN DIEGO SOCIETY OF NATURAL HISTORY 



RITTERJ R J —Continued 



P. liopygtis n. sp. Acuiaspis myops n. sp. lleyrichin (Lrpcrditia) armata n. sp., R. 

 Kloedni McCoy, B. suhcylindrica nov. 



Corrections for reference on page 184, Bibliography Paleozoic Crustacea. 



Der Kiilni in Thuringen. 



Zeitsch. Deutsch. Geol. Ges., 1864, p. 155. 

 Proeius postliumus n. sp. Cythcre spinosa n. sp. 



Unter.silurische Petrefakten aiis Thuringen. 



Zeitsch. Deutsch. Geol. Ges., 1872, p. 72. 



Calymmcne sp. Asaphus marginoiiis n. sp. Bryruliia cxcavota n. sp. 



Roberts (George L. ) On some Crustacean Tracks from the Old Red 

 Sandstone near Ludlow. 



Quart. Jour. Geol. Soc, vol. 19, 1863, pp. 233-235. 



and Randall (John). On the Upper Silurian Passage beds at 



Linley, Salop. 



Quart. Jour. C^eol. Soc, vol. 19, 1863, pp. 229-232. 



Roemer {¥.) Geogliostische Beobachtungen im polnischen Mettlelge- 

 birge. 



Zeitschr. d. Deutsch CJeoI. Cies., Bd. x^•iii, 1866. 



Phacops cryptophthalmus Emm. Roemer's pi. xiii, figs. 6-7, has been described by Prof. 

 Freeh as Phacops (Trimcrocephalus) anoplttlialmus n. sp. Lethaea Palasozoica, Bd. 2, pp. 

 124, 178, 179, 180. 



Eurypf< rus Jaciisiris von Buffalo, New York. 



55 Jahrester der schles Ges., 1877. 



Rogers (Austin F.) Some new American species of Cycles from the 

 Coal jMeasures. 



Contributions Cieol. l^ept. Columbia Univ., No. 88, vol. X, 1902. 



Kansas Univ. Bull., vol. 1, 1902, pp. 269-275, plate 14. 



Cyclus communis n. sp., C. Packardi n. sp., C. pcrmarginntus n. sp., C, limhntus n. 

 sp., C. minutus n. sp. 



Rouault (^larie). Notice sur (piehiues especies de fossilcs du Terrain 

 Devonien du nord du De})t. de la Blanche. 



Bull. Soc. Geol. France, vol. 12, 1855, p. 1040. 



Homalonotiis Forbes'i n. sp. 



Add to the reference on p. 190, Bib Pal. Crust., under Mem. Pala^ozoques des en- 

 virons de Renness, 1851, the following species: Cypliaspis Gaiilticri n. sp. Phacops 

 Michelinl n. sp. and Beyrichia Hardouinina n. sp. 



Rowley (R. R.) Descriptions of Fossils. 



Contributions to Indiana Pala?ontolog>', Green, New Albany, vol. 2, part 2, pp. 21-31, 

 plate, 1906. 



Gives systematic descriptions of various species of Trilobites and Crinoids. 



The Geology of Pike ('ounty. 



Missouri Bureau of Geol. and Mines, \ol. 8, 2nd series, 1907, 122 pp., 20 plates and 

 map. 



