338 CALIFORNIA ACADEMY OF SCIF>NCES. 



PHILLIPSIA. PE0ETII8. 



TUBERCULATA Vogd., 1887; Auuals New York Acad. Sci., vol. 4, p. 92. 



TRiNucLEATA Hen., 1887; Bull. Denison Univ., vol. 2, p. 64, pi. 1, 



figs. 23, 23 a, c, e, h; pi. 2, fig. 32; pi. ;^, fig. 21. Coal Measures. 



TRINUCLEATA Herr., 1889; Bull. Denisou Univ., vol. 4, p. 49. Fliut 



Kidge, Licking county, Ohio. Coal Measures. 



ProeUis trinucleatus Vogd., 1888; Annals New York Acad. Sci., vol. 

 4, p. 81, pi. 2, figs. 7, 8, 9. 



vindobonensis Hartt, 1868; Acadian Geol., p. 353. Windsor, Nova 



Scotia. Carboniferous. 



• vindobonensis Herr., 1887; Bull. Denisou Univ., vol. 2, p. 63. 



vindobonensis Vogd., 1887; Annals New York Acad. Sci., vol. 4, p. 89. 



(cf. PhilUpsia meramecansis Shum.) 

 Piliolites Cozzens, 1846; Annals Lyceum Nat. Hist. N. Y., vol. 4, p. 157. 



ohioensls Cozzens, 1846; Annals Lyceiim Nat. Hist. N. Y., vol. 4, p. 



157, pi. 10, figs. 1 a, b. (cf. Proetus crassimarginatus?) 

 Proetus Steiu., 1831; Mem. Soc. Geol. France, vol. 1, p. 355, tjA. 24, fig.6._ 

 Syn., jEonia Burm., 1843; Organization Trilobites, p. 116 (Kay Soc. 

 ed., p. 100). Burmeister separates Dalman's species C'aly- 

 inene concinna from the type of the genus Proetus, and 

 gives it the new generic name of ^onia, with descriptions 

 and figures of A . concinna, A . stokesii and A . verticnlis. 

 Phccton Barr., 1846; Notice Prelim., p. 62. The author herein 

 gives the new generic term Phaton for species of Proetus 

 with fimbriated pygidia. 

 Prinopeltis Cord., 1847; Prodr., ji. 121. New generic name 

 proposed for the preoccupied term of Phceton. Pygidium 

 with the pleurae produced into spines forming a fimbriated 

 circumference. Phaetonellits Novak, 1890. 

 XiPHOGONiUM Cord., 1847; Prodr., p. 70. Proposed genus for 

 certain species of Proetus, with nine segments iu the thorax. 

 Pleiirie of the pj'gidium uusegmented. 

 GoNioPLEURA Cord., 1847; Prodr., p. 80. This genus includes 

 such species as Proetus elegantulus Loveu, with twelve seg- 

 ments in the thorax. 

 FoRBESiA McCoy, 1847; Sil. Foss. Ireland, p. 46. This author 

 uses for the types of his genus Forbesia latifrons and /'. 

 stokesii, which is the same as that used by Barrande iu 

 1846 for his genus Phoiton and Angelin in 187S for the 

 genus Phceionides. Geiial angles produced into long spines; 

 pleura:! of the pygidium segmented; glabella furrows present 

 and large tubercles terminating the neck furrow. 

 Gerasios Goldf., 1843; Neues Jahrbuch fiir Mineral., p. 557. This 

 genus is a Proetus with G. Icevigatus for its tyjie, a species 

 identical with Proetus cuvieri Stein. 



