BIBLIOGRAPHY OF PAL.EOZOIC CRUSTACEA. 79 



Haldeman (8. S.) Report on the supposed identity of 

 Atops trilineaius (Emmons) with Tviavthrus beckii. 



In Americau Jour. Agl. Sci., vol. G, 1847, p. 194. 



These comparisons were drawn from imperfect specimens of Atoj^s tri- 

 UmaUifi, the pygidiiim not being entire. 



On the supposed identity of Atops trilineatus 



with T'}'iart]vrus beckii. 



In Am. Jour. Sci., Sd series, vol. 5, 1848, i). 107. 



Hall (Charles E.) Contribution to palaeontology from 

 the Museum of the Second Geological Survey of Penn- 

 sylvania. 



In Proc. Am. Philos. Soc. Phila., vol. 16, 1S77, p. 621. 



Enrypterus peimsi/lvaiiicus n. sp., E. ( Dolichojiterus) mansfirddi n. sp. 



Hall (James). Descriptions of two species of Trilo- 

 bites, belonging to the genus Paradoxides. 



In Am. Jour. Sci., 1st series, vol. 33, 1838, p. 139, 2 figs. 

 Eead before the Yale Natural History Society, March 21, 1837. 

 Paradoxtdes hecki Green, P. eatoni n. sp. 



Geology' of New York, Part IV, comprising 



the Survey of the Fourth Geological District. Albany, 

 1843. 



Anaphus limidurus Green. Bumaslus barriensis. Calymene. niagraensis 

 n. sp. Homcdonotus delphinocephalus Green. Calymene crassimarginata 

 n. sp. Odontocephalus selemirns. Calymene bttfo. Cryphcens callitelus. 

 Dijdeura dckayi. Calymene niqiera u. sjd. 



Trilobites of the inferior strata. 



(Extracted and published in advance of the " Palteontology of New 

 York, "vol. I, Albany, 1846, pp. 225-260, pis. 60-67.) 



C'lygial vetustan. sp. Asa/>hus? extans n. sp. Calytnene muliicosta n. sp. 



Trilobites of the Trenton Limestone: Illcenus crassicauda Wahl., /. tren- 

 t9nensiH Emmons, /. latidorsata n. sp. Isotelus gigas DeKay. Platynotit.t 

 trentonensis Conrad. Calymene beckii Green (including Atops trilineatus 

 Emmons) C. se?iar«a Conrad. A cidaspis trentonensis n. s^)., A . spiniger \x. 

 sp. Ceraurus pleurexanthemtis Green, C. vigilans n. sp., CJ pustnlosus u. 

 sp. Phacops callicephalus n.s'p., P.? latlcaudus u. sp. Asaphiis? nodo- 

 striatus n. sjj. Trinucleus concentricu.s Eaton. 



Trilobites of the Utica Slate and Hudson Eiver group: Cabjmene beckii. 

 Asaphus ? laVnnarginata n. sp. Isotelus gigas. 



