140 CALIFORNIA ACADEMY OF SCIENCES. 



Ill Traus. Assoc. Am. Geol. and Naturalists, vol. 1, 1843, p. 221, plate. 

 Isotelus nipgisios n. sp. 



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

 called hoteluH maximun in the Second Ohio Report. 



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. 

 Ce.raurtis crosotvs ii. 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 Rep. 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 

 sorger Schiefer des sUdlichen Unterharzes. 



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



Lov6n (S. L.) Svenska Trilobiter. 



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

 Cnlymene clavi/rons Dalm., C. ornata Dalm. 



Svenska Trilobiter. 



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

 pis. 1, 2. 



Cybele n. g. Ceraurus crenaiiis Emm. Proetus (Calymene) concinnus 

 Dalm., P. (Asaphus) siokesii Murch., P. (Calymene) elegantiilus Ang. 

 Trilohiles (Calymene) verrucosus Dalm. Metopias ( Ampyx ?) pachyrrhimts 

 Dalm. Lichas ( Enlomostr.) laciniatus Wahl., L. ckatricosus n. sp. 



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

 Cybele hellattila Dalm., C. (Calymene) verrucosa Dalm., C. (Trilohiles) 

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

 to Dr. Green's genus Ceraurus. 



Lundgren (B. ) Om den vid Ramsoca och Ofvedskloster 

 i Skiine forekommande sandstenens alder. 



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

 Beyrichia salleriana Jones, B. buchiana Jones. Leperdilia angelini 

 Schmidt. Cytheropsis concinna Jones. 



