BIBLIOGKAPHY OF PALv*:OZOIC CRUSTACEA. 79 



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

 Atops tr'diueatus (Emmons) with Tviavthrus hexkii. 



lu American Jour. A<:;1. Sci., vol. 6, 1847, p. 194. 



These comparisous were drawn from imperfect specimens of Atops trl- 

 liiieatux, the pygidiiim not being entire. 



On the supposed identity of Atops trilineatus 



with Triarthrus htckii. 



In Am. Jour. Sci., 2d series, vol. 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. 



Enrypterus pennsylvankus n. sp., E. (Dolichopterus) maiisficldi n. sp. 



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

 bites, \)elonging 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. 

 Paradoxides hecki Green, P. eatoni n. sp. 



Geology of New York, Part IV, comprising 



the Survey of the Fourth Geological District. Albany, 

 1843. 



Anaphus limuhirus Green. Bumastiis barriensis. Calymene niagraensis 

 n. sp. Homalonotus delphinocephalus Green. Calymene crassimarginata 

 n. sp. Odontocephalus selcmirus. Calymene hufo. Cryphceus callitelus. 

 Dipleura dekayi. Calymene 7iupera n. sp. 



Trilobites of the inferior strata. 



(Extracted and published in advance of the " Palseontologj' of New 

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



Ogygia! vetusta n. sp. Anaphtisl extans n. sp. Calymene multkosta n. sp. 



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

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

 trentonensis Conrad. Calymene beckii Green (including Atops trilineatus 

 Emmons) C. senaWa Conrad. A cidaspis trentonensis n. s'p., A.spinigern. 

 sp. Ceraurus pleitrexanthemus Green, C. vigilans n. sp., CJ pustulosus i\. 

 sp. Phacqpa callicepkalus n.sp.. P.? laticattdus u. sp. Asaphus? nodo- 

 striatus n.sp. Triiiiickus concentricus 'Eaton. 



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

 Asaphus ? latimarginata u. sp. Isotelus gigas. 



