40 SAN DfEGO SOCIETY OP NATURAE HISTORY 



GURICH (Georg)— Continued 



Boliia sp. 



New genus Polyzgia, t\ pe P. symmetrica. 



New genus Poloniella, type P. de-vonuti. 



Bytliocypris polt.ris n. sp. Bairdia de-voii'ica n. sp. 



Naclitrage ziim Pal.i'ozoicuin des Polnisschcn Mittli^gi'liirges. 



Neuen Jahib. fiir Mineral (]eol. and Palaeont. Beilaige, Band XIII, 1900, pp. 331- 

 388, plates 14 and 15. 



The author describes se\eral new species of Trilobites, which he illustrates as 

 lUiienus poloiiicits nov. sp., which he compares with /. parvulus Holm and Panderia 

 minima Volborth. .-it'i^liua Koriikien.ii(zi nov. sp., figure of the pygidium. Proetus 

 margariUiicGus Oiir., fig. in text, P. pyrijorniis sp. nov., fig. of glabella, P. Mii /lalskii 

 Giir. Declwnella pusilla Giir. Beyricliia trigonata Giir. 



— -lura und Devon Fossilicn von White Clitf, Aiistralien. 



Neuen Jahrbuch fiir Min. Geol. and Palaeont. Beilage, Band xiv, pp. 484-539, 

 plates 18-20, 1901. 



The author describes a new genus of I.ichas as Craspedarges including under it 

 one species, (.". IFilcaiiriiae ^Guv\ch. He also gives figures of Euarges meriJionalis 

 Freeh and E. granulosus F. A. Roemer. The author uses as subgenera to Lichas the 

 following subgenera: 



Ceratages for the preoccupied term Arges Goldf., with L. armatus Goldf. for its 

 type. 



Plusiages for Corydocephalus Corda, owing to the uncertainty attached to Corda's 

 types. Type L. palmatus Barr. 



Liparges substituted for Corda's Dicrano\mus, type L. simplex Barr. 



Trachylichas name proposed in place of Dicranopeltis Corda, type Eirhasscarba 

 Beyr. 



Echinolichas tnuich type /,. eriopis Hall. 



Metopolichas used for preoccupied name Metopias Eichw'., tvpe E. Iluhneri Eichw. 



Platopolichas Cjurich, type E. aims Barr. 



Platyliclias, type l.ulias margaritifera Nieszk. 



Dr. Gurich takes Platymelopus Hohni Schmidt as the type of this genus, but it 

 should be abandoned for the group, as it was used by Dejean in 1829 for a genus of 

 insects. 



Pterolichas for .1 r> ti/iurus Holloni. 



Platynotus was used by Conrad in 1838 for the same species. 



Euages for preoccupied term Acanthopyge Corda, type E. Ilaureri Barr. 



I.eiolichas Sclimidt, type L. il/aenoides Nieszk. 



Homolichas Schmidt, ty|ie E depressus Ang. 



Hoplolichas Dames, type E. tricu.'pidtita Beyr. 



Ceratolichas Hall and Clarke, type /.. gryps Hall. 



Conolichas Dames, t\ pe E. aequiloba Steinhardt. 



Hemiarges (jiiricli, t\ pe E. U'eseTihergeiisis Schmidt. 



Platymetopus Aug., type /.. planijrnns Ang. (Amphilichas Raymond). 



Oncholichas Schmidt, type E. oruatns Ang. 



Hall (James). Rf^lations of tlie genus Enryi)terus. 

 Proc. Am. Acad. Arts and Sci., vol. 4, 1860, p. 353. 



On the genus r^iirypterus. 



Trans. Albany Inst., vol. 4, 1860, p. 280. 



