BIBLIOGRAPHY OF PAL.l<:OZOIC CRUSTACEA. 251 



Worthen (A. H.) Description of two new species of 

 Crustacea, fifty-one species of molliisca, and three species 

 of Crinoids from the Carboniferous formation of Illinois 

 and adjacent States. 



In Bull. No. 2, state Mus. Nat. Hist. Illiuois, 1884. 

 Colpoccu'is chestcrensis n. sp. Solehocaris si. ludoviri u. sp. 

 See also Meek (F. B.) aud Wortheu (A. H.) 



Geology and Paleeontology of Illinois, vol. 7, 



Springfield, 1890, pp. 728. Appendix of 152 pp., 78 pis. 



Solenocarix st. ludovlci Wortheu. ('olpocaris chesterensis Worthen. 



Wyatt-Edgell (H. G.) On the genera of Trilobites 

 Asaphus and Ogygia, and the subgenus Ptychoj)>jge. 



In Geol. Mag., vol. 4, 1867, p. 14. 



The author illustrates the followiuc; species: Asuphus ( Ptychopijije) 

 cornde.nms Murch. Ogygia srntatrix Salt. Axcqihua iyrannnn Murch. 

 Ogygia peltata Salt. 



The English species of these geuera are arranged as follows: 



Asaphus ( BasU/cus) tyrannus Murch., A. (B.) peltasies Salt., A. (B.) 

 powisii M.\\Ych.., A. (B.) marstoni Salt., A. ( B.) lalicosiutus McCoy, A. (B.) 

 radiatus Salt. 



Asaphus ( Ptychopyge) comdensis Murch. 



Asaphus (Isolelus J gigas Dekay, A. (I.) ajfiiiis McCoy, A. (I.) homfrayi 

 Salt. 



Asaphus ( Brachasp/s) re.ctifrons Salt. 



Asaphus (Cryptonymus) scutalis Salt. 



Ogygia buchii Bvong., 0. var. convexa, 0. var. angustissima, O. sculatrix 

 Salt., 0. peltata Salt., O. sclwynii Salt., O.? hydrida Salt. 



Young (J.) Descri})tive notes of several new and 

 rare forms of Eutomostraca. 



In Trans. Geol. Soc. Glasgow, vol. 5, pt. 2, 1877. 



On new forms of Crustacea from the Silurian 



rocks at Girvan. 



In Proc. Nat. Hist. Soc. Glasgow, vol. 1, pt. 1, 1808, p. 109; also in 

 Proc. Royal Phys. Soc. Edinburgh, vol. 4, 1878, p. 107, pi. 1. 

 Solenocaris n. g. (not Solenocaris Meek), S. solenoidcs n. s'p. 



Zenker (J. C.) Beitrjige zur Xaturgcschichte der 

 Urwelt. Organische Keste (Petrefacten) aus der Alten- 

 burgcr Braunkohlen-Formation, deni Blankenburgcr 



