140 CALIFORNIA ACADEMY OF SCIENCES. 



In Trans. Assoc. Am. Geol. and Naturalists, vol. 1, 1843, p. 221, plate. 

 Isotelus megistos n. sp. 



Dr. John Locke has herein given a new name to the species which he 

 called Isotelus maximusin the Second Ohio Keport. 



See, also, Am. Jour. Sci., 1st series, vol. 42, 1843, p. 366, 1 pi. 



Notice of a new Trilobite. 



In Am. Jour. Sci., 1st series, vol. 44, 1843, p. 346. 

 Ceraurus crosotus n. sp. 



Supplementary notice of the Ceraurus crosotus 



Locke. 



In Am. Jour. Sci., 1st series, vol. 45, 1843, p. 223. 



Logan (W. E.) Bronteus ? canadensis. 



In Kep. Geol. Survey Canada, 1844, p. 54, 2 figs. 



On the tracks of an animal lately found in the 



Potsdam sandstone. 



In Canadian Naturalist, vol. 5, 1860, p. 279. 



Lessen (K. A.) Ueber Gryphceus rotundifrons aus dem 

 zorger Schiefer des siidlichen Unterharzes. 



In Zeitschr. Deutsch. Gesell., vol. 31, 1879, p. 215. 



Love'n (S. L.) Svenska Trilobiter. 



In Ofversigt Kongl. Svenska Vet.-Akad. Forhandl., 1845, p. 62. 

 Calymene clavifrons Dalm., C. ornata Dalm. 



Svenska Trilobiter. 



In Ofversigt Kongl. Svenska Vet.-Akad. Forhandl., 1845, pp. 46 and 104, 

 pis. 1, 2. 



Cybele 11. g. Ceraurus crenatus Emm. Proetus (Calymene) concinnus 

 Dalm., P. (Asaphus) stokesii Murch., P. (Calymene) elegantulus Ang. 

 Trilobites (Calymene) verrucosus Dalm. Metopias (Ampyx ?) pachyrrhinus 

 Dalm. Lichas (Entomostr.) laciniatus Wahl., L. cicatricosus n. sp. 



Trinucleus (Asaphus) seticornis His.. T. (Entomostr.) granulatus Wahl. 

 Cybele bellatula Dalm., C. (Calymene) verrucosa Dalm., C. (Trilobites) 

 velata Schloth. The author refers species of genus Odontopleura Emm. 

 to Dr. Green's genus Ceraurus. 



Lundgren ( B . ) Om den vid Ramsoca och Of vedskloster 

 i Skane forekommande sandstenens alder. 



In Acta Univ. Lundensis, Ars-skrift for or 1874, vol. 10. 

 Beyrichia salteriana Jones, B. buchiana Jones. Leper ditia angelini 

 Schmidt. Cytheropsis concinna Jones. 



