BIBLIOGRAPHY OF PALAEOZOIC CRUSTACEA. 79 



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

 Atops trilineatus (Emmons) with Triarthrus beckii. 



In American Jour. Agl. Sci., vol. 6, 1847, p. 194. 



These comparisons were drawn from imperfect specimens of Atops tri- 

 tuc-rttm, the pygidium not being entire. 



On the supposed identity of Atops trilineatus 



with Triarthrus beckii. 



In Am. Jour. Sci., 2d series, voJ. 5, 1848, p. 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, 1877, p. 621. 



Eurypterus pennsylvanicus n. sp., E. ( Dolichopterus) mansfieldi 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. 

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

 Paradoxides becki Green, P. eatoni n. sp. 



V 



Geology of New York, Part IV, comprising 



the Survey of the Fourth Geological District. Albany, 

 1843. 



Asaphus limulurus Green. Bumastus barriensis. Calymene niagraensis 

 n. sp. Homalonotus delphinocephalus Green. Calymene crassimarginata 

 n. sp. Odontocephalus selenurus. Calymene bufo. Cryphceus callitelus. 

 Dipleura dekayi. Calymene nupera n. sp. 



Trilobites of the inferior strata. 



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

 York, "vol. 1, Albany, 1846, pp. 225-260, pis. 60-67.) 



Ogygia* vetusta n. sp. Asaphus'/ extans n. sp. Calymene multicosta n. sp. 



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

 tonensis Emmons, /. latidorsata n. sp. Isotelus gigas DeKay. Platynotus 

 trentonensis Conrad. Calymene beckii Green (including Atops trilineatus 

 Emmons) C. senaria Conrad. Acidaspis trentonensis n. sp., A. spiniger n. 

 sp. Ceraurus pleurexanthemus Green, C. vigilans n. sp., C. ? pustulosus n. 

 sp. Phacops callicephalus n.sp., P.? laticaudus n. sp. Asaphus? nodo- 

 .v//-/v//?/.r n. sp. Trinucleus concentricus Eaton. 



Trilobites of the Utica Slate and Hudson Kiver group: Calymene beckii. 

 Asaphus / latimarginata n. sp. Isotelus gigas. 



