BIBLIOGRAPHY OF PALAEOZOIC CRUSTACEA. 45 



Cm Palseaderna eller cle sa kallade Trilobit- 



erna. Stockholm, 1826, 6 pis. 



Svenska Vetensk. Akad. Haudl., 1826, p. 226. 



The German translation bears the following title: Ueber die Palaadeu, 

 Oder die sogenannteu Trilobiten von J. D. Dalmau, von Friedrich Eugel- 

 hart, mit 6 Kupfertafelu, Ntiruberg, 1828. 



Dalman arranges 41 species of Trilobites nnder 5 genera and 4 sub- 

 genera, as follows: 



Division I. Oculated: 1st geuiis, Ckdymene; 2d genus, Asaphus. 



Division II. Typhlini: 3d genus, Oriygki; 4th genus, Olenus ( Para- 

 doxidesBx.) Section 2. Battoides: 5^}! ^enns, Baiius ( Agnosias Bv.) 



Subgenera: 1, Asaphus (Nilcus); 2, Asaphiis ( Illcenus); 3, Asaphus 

 ( Ampyx); 4, Lichas n. g. 



I. Calymene hlumemhachii Broug. var. (a) tuberculata, (b) 2:)ulchella. 

 2, Calymene hellatula n. sp. 3, C. polyioma n. sp. 4, C actinura Dalm. 

 5, C sclerops n. sp. 6, C punctata Briinn. 7, C. conclnna n. sp. 



II. Asaphus. Sectio 1, geuuiui: 1, Asaphiis 7niicr07iatus Bvong. 2, ,-1. 

 caudaius Briinn. Siibdivisio 2. Coruigeri ecaudati: 3, A. exienuatus 

 Wahl. 4, A. grantilaius Wahl. Divisio II. ISlutici: Asaphus angusHfrons 

 n. sp. 6, A. expansus. 7, A. frontalis n.s\). 8, A.laviceps n. H'^. 9, A. 

 palpebrosus n. sp. Sectio II. Nileiis: 10, Asaphus (Nileus) armadillo 

 n. sp. Sectio III. Illfeuus. Divisio 1, Cornigeri: \\, Asaphus ( Illcenus) 

 centrotus n. sp. Divisio II. Mutici: 12, Asaphus ( Illamus) crassicauda 

 Wahl. V.^, A. ( Illteuus) laticauda^ ah\. Sectio IV. Lichas: 1-4, Asaphus 

 laci'iatus'^&hl. Sectio V. Ampyx: \5, Asaphus (Ampyx )nasutus ti.st^. 



III. 1, Olenus tessini Brong. 2, 0. bucephalus Wahl. 3, 0. spinulosus 

 Wahl. Divisio II. Mutici: 4, Olenus gihhosus Wahl., 0. scarabaoides 

 Wahl. IV. Buttus ( Agnoslus ) Brong. B. pisiformis Linn. 



In the second part of this work the genera and species are arranged as 

 follows: 



I. Calj-mene. Sectio 1. Capitis angulis posticis elongatis attenuatis. 



1, Calymene variolaris Brong. Sectio 2. Capitis angulis posticis rotund- 

 atis. 2, Calymene blumembachii Brong. 3, C. tristani Broug. 4, 0. bel- 

 latula Dalm. 5, C . poly t07na Dalm . 6, C. actinura D&lm. 7, C. sclerops, 

 C. macroiihthabna (Broug. tab. 1, figs. 5, a, b, c). 8, var. B. (Brong. 

 tab. 1, figs. 4, a, b). 9, C.protuberans. 10, C. schlothei^nii Bronn. 11, C. 

 latifrons Bronn. 12, C. punctata Briinn. 13, C. conclnna Dalm. 



II. Asa^jhus. Sectio 1. Geuuiui Divisio 1. Coruigeri subdivisio 1. 

 Caudati. 1, Asaphus macronatus Brong. 2, .4. caudatus Briiuu. 3, A. 

 auriculaius Dalm. 4, A. havsmanni Broug. Subdivisio 2. Coruigeri 

 ecaiidati. 5, Asaphus granulatus Wahl. G, A. extenuatus 'SVaU. Divisio 



2. Mutici. 7, Asaphus anguslifrons Dalm. 8, .1 . f///rt<(/s Briinn. 9, ?A. 

 buchii Brong. 10, A. ex2Jansus Tiinn. 11, A. frontalis Dalm. 12, A. Uevi- 

 ceps Dalm. 13, A. gigas DeKay. 13b, A. gigas, pdan us DeKay. 14, ,4. 

 palpebrosus Dalm. Sectio II (Nileus). 15, Asajihus (Xileus) armadillo 



