BIBLIOGRAPHY OF PALAEOZOIC CRUSTACEA. 157 



Description of three new species, and remarks 



upon others. 



In Jour. Cincinnati Soc. Nat. Hist., vol. 5, 1882, p. 116, pi. 5. 

 Calymene callicephala Green. 



Milne-Edwards (H.) Sur les affinites des Trilobites. 



In Institute de France, Acad. Royale Sci., vol. 1, 1827, p. 254. 



Trilobites dans Lamarck's " Histoire naturelle 



des animaux* sans vertSbres." Vol. 5. Paris, 1838, 

 p. 220. 



Eurypterus remipes Dekay, E. lacustris Harlan, E. souleri Hibbert. 

 Cytherina. 



(A) Trilobites ocules : Calymene blumenbachii Brong. var. 1, tuberculata 

 Dalm. var. 2, tuberculosa Dalm. 2, C. tristani Brong. 3, C. bellatula 

 Dalm. 4, C.polytoma Dalm. 5, C. actinura Dalm. 6, C. latifronsEToun. 

 7, C. schlotheimii Bronn. 8, C.sclerops Dalm. 9, C, macrophthalma Brong. 

 10, C. punctata Briinn. 11, C. concinna Dalm. 12, C. arachnoides 

 Hoeninghans. 



Especes ayant les angles posterieurs de la tete allonges et amincis: 

 13, Calymene variolaris Brong. 14, C. speciosa Dalm. 15, C. clavifrons 

 Dalm. Trimerus delphinocephalus Gjjeen. 



Premiere section Asaphus articules: Asaphus caudatus Briinn. 2, A- 

 mucronatus Brong. 



aa Extremite de 1'abdomen arronde: 3, Asaphus buchii Brong. 4, A. 

 hausmanni Brong. 5, A. frontalis Dalm. 6, A. brongniartii DeLonch. 

 7, A.fischeri Eichw. 



The author also doubtfully places under this section the following 

 species: Asaphus gemmuliferus Phill., A. seminiferus Phill., A. globiceps 

 Phill., A. quadrilimbatus Phill., A. ? grypturus Green. 



Deuxieme section, Asaphus anchyloures: 8, Asaphus dilatatus Briinn. 

 9, A. angustifrons Dalm. 10, A. cornigerus Schloth. 11, A. lichtenslenii 

 Eichw. 12, A. weissii Eichw. 13, A. schlotheimii Eichw. 14. A. Iceviceps 

 Dalm. 15, A. gigasDekay. 16, A . palpebro&us Dalm. 17, A. extenuatus 

 Wahl. 18, A. grandis Sars. 19, A. brevicaudatus DeLonch. 20, A.crassi- 

 cauda^&hl. 21, A. centrolus Dalm. 22, A. laticaudaWahl. 



Troisieme section, Asaphus oniscoides: 13, Asaphus (Milieus) armadillo 

 Dalm. Depleura dekayi Green. 



Trilobites typhlien: Ampyx nasutus Dalm. 2, A. rostratus Sars. 3, A. 

 mammillatus Sars . 4, A. incertus DeLonch. Conocephalus costatus Zenk., 

 C. sulzeri Schloth. Ogygia guettardi Brong. 2, O. desmarestii Brong. 

 Otarion dijfractum Zenk., O. squarosum Zenk. Cryptolithus tessellatus 

 Green. Paradoxides tessini Brong. 2, P. spinulosus Wahl. 3, P. longi- 

 caudatusZeiik. 4, P . pyramidalis Zenk. 5, P. latus Zenk. 6, P. bucephaluz 



