178 CALIFORNIA ACADEMY OF SCIENCES. 



greivingki 9chm., C. rex Niesz., C. sp. (a) C. sp. (b) Encrinurus obtusus 

 Aug., E. cf. obtusus Ang., E. cf. seebachi Schm., E. punctatus Brilnn. 

 Encrinurus sp. ? 



Calymene tuberculata Briinn, C. intermedia Lind., G. spectabilis Ang. 

 Homalonotusct.rhinotropisA.ng. 1, Arges: Lichas salteri Flet. 2, Lei- 

 lichas: Lichas illcanoides Niesz. Lichas gageli n. sp. 3, Hoplochas: 

 Lichas tricuspidata Beyr., L. affin. tricuspidatce Beyr., L. plautini 

 Schm., L, proboscidea Dames, L. media n. sp. 4, Conolichas: Lichas cequi- 

 loba Steinh. 5, Homolichas: Lichas branconis n. sp., L. deftexa Sjogr., 

 L. eichivaldi Niesz., L. cf. pahleni Schm., L. cf. angusta Beyr. Lichas sp.? 

 L. lindstrdmi n. sp. 6. Oncholichas: Lichas aranea Lind. Acidaspis 

 mutica Emm. Proetus verrucosus Lind., P. signatus Lind., P. concinnus 

 Dalm., P. affiii. concinnus Dalm., P. distinctus n. sp. Proetus sp. ? Pro- 

 etus sp.? Cyphaspis parvula n. sp. Cyphaspis sp. ? Phaetonides. 



Illcenus jevensis Holm., /. chiron Holm., /. tauriconis Kut., /. revaliensis 

 Holm., /. schmidti Niesz., /. oblongatus Aug., /. angustifrons Holm., /. 

 roemeri Volb., /. comes n. sp., /. vanhoeffeni 11. sp., /. bisulcatus n. sp., /. 

 sp. cf. dalmani Volb. (Holm.) /. masckei Holm., /. linnarssoni Holm., /. 

 nuculus n. sp., /. caecus Holm., /. ( Bumastus) barriensis Murch., /. ( Bu- 

 mastus) sulcatus~Lind., I. (Bumastus) holmi Lind. 



1, Asaphus (Ptychopyge) rimulosus Ang., A. ( Ptychopyge) multicostatus 

 Aug., A. (Ptychopyge) sp.? A. (Ptychopyge) teticaudatus Stein., A. ( Pty- 

 chopyge) undulatas Stein., A. ( Ptychopyge) cfr. aciculatus Ang., A. ocu- 

 losus n. sp., A. sp.? A. jevensis Schm. MS., A. branconis n. sp., A. stein- 

 hardti n. sp., A. cf. raniceps Dalm., A. ornatus n. sp., A. sp.? A. obtusus 

 n. sp., A. sp.? A. devexus Eichw., A. cf. platyrus Ang., A. ( hotel us) platy- 

 rhachis Steinh. 2, Megalaspis. Megalaspis limbata Boeck, form typica 

 Brogger, M. limbata Boeck, var. elongata, M. planilimbata Ang., M. gigas 

 Ang. 3, Niobe. 4, Nileus armadillo Dalni., u. sp.? Holometopus? gra- 

 cilix n. sp., H. t Icevis \\. sp. ; //. ? radiatus n. sp. Remopleuridesjentzscki 

 n. sp. Olenus truncatus Briinn. Sphcerophthalmus alatus Boeck. Peltura 

 scarabceoides Wahl. 



Ueber das Einrolluiigsvermogen der Trilobiten. 



In Schrift K. phys.-okon. Gesell. in Konigsberg, Jahrg. 31, 1890. 



Bemerkungen iiber das Einrollungsvermogen 



der Trilobiten. 



In Jahreshefte des Vereins fur vaterl. Naturkunde in Wiirtt, 1892, p. 93. 



Portlock (J. E.) Report on the geology of the county 

 of Londonderry, and of parts of Tyrone and Fermanagh. 

 Dublin, 1843, 28 pis., also maps and sections. 



