228 CALIFORNIA ACADEMY OF SCIENCES. 



Arionellus pustulatm n. sp. Ceraurus rarus n. sp. Encrinurus trenton- 

 ensis n. sp., E. raricostatus u. sp. Acidaspis parvula n. sp. Dalmanites 

 intermedias n. sp. Illcenus indeterminatus n. sp., /. milleri Bill. Asaphus 

 homalonotides n. sp. 



The Utica slate and related formations of the 



same geological horizon. 



In Trans. Albany Inst., vol. 10, 1879, p. 2, pis. 1, 2. 

 Metamorphoses of Triarthrus beckii Green. Triarthrus beckii and Bey- 

 richia cincinnatiensis S. A. Miller. 



Description of new species of fossils from the 



Calciferous formation. 



In 32d Eep. New York State Cab. Nat. Hist., 1879, p. 129. Pamphlet 

 published in advance of the report. 



Conocephalites calciferus n. sp., C. Jiarttl n. sp. Ptychaspis speciosus 11. 

 sp. Bathyurus ar mains Bill. 



The Trilobite, new and old evidence relating 



to its organization. 



In Mus. Comp. Zool. Harvard Coll., vol. 8, 1881, p. 191, 6 pis. 

 Ceraurus pleurexanthemus Green. Calymene senaria Conrad. Asaphus 

 platycephalus Stokes. Eurypterus remipes Dekay. 



Description of a new genus of the order 



Eurypterus from the Utica slate. 



In Am. Jour. Sci., 3d series, vol.23, 1882, p. 213, figures. 

 Echinognathus n. g., E. clevelandi n. sp. 



Description of new species of fossils from the 



Trenton group, New York. 



In 35th Eep. New York State Cab. Nat. Hist., 1883, p. 206, 1 pi. 



Author's edition, October 15, 1883, 8 pp., 1 pi. 



Beyrichia bellan. sp. Leperditia (Isochilina) armata n. sp. 



Injury sustained by the eye of a Trilobite at 



the time of moulting of the shell. 



In Annals Nat. Hist., 5th series, vol. 13, London, 1884, p. 69. 



: On the locomotory appendages of Trilobites. 



In Science, vol. 3, 1884, p. 279, 3 figs. 



Asaphus megistos Locke. Calymene senaria Conrad. 



Palaeontology of the Eureka district. 



In Mon. U. S. Geol. Survey, vol. 8, 1884, 24 pis. 



Cambrian: Agnostus bidens Meek, A. communis H. & W., A. neon H. & 



