BIBLIOGRAPHY OF PALEOZOIC CRUSTACEA. 251 



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

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

 of Crinoids from the Carboniferous formation of Illinois 

 and adjacent States. 



Iii Bull. No. 2, State Mus. Nat. Hist. Illinois, 1884. 

 Colpocaris chesterensis n. sp. Solenocaris st. ludovici n. sp. 

 See also Meek (F. B.) and Worthen (A. H.) 



Geology and Palaeontology of Illinois, vol. 7, 



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



Solenocaris st. ludovici Worthen. Colpocaris chesterensis Worthen. 



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

 Asaphus and Ogygia, and the subgenus Ptychopyge. 



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



The author illustrates the following species: Asaphus (Ptychopyge) 

 corndensis Mnrch. Ogygia scutatrix Salt. Asaphus tyrannus Murch. 

 Ogygia peltata Salt. 



The English species of these genera are arranged as follows: 



Asaphus (Basilicus) tyrannus Murch., .4. (B.) peltastes Salt., A. (B.) 

 />oir!,*it Murch., A. (B.) marstoni Salt., A. (B.)laticostatus "McCoy, A. (B.) 

 rndmius Salt. 



Asaphus (Ptychopyge) corndensis Murch. 



Asaphus (Isotelus) gigas Dekay, A. (I.) ajfinis McCoy, A. (I.) homfrayi 

 Salt. 



Asaphus ( Brachaspis) rectifrons Salt. 



Asaphus (Cryptonymus) scutalis Salt. 



Ogygia buchii Brong., 0. var. convexa, O. var. angustissima, O. scutatrix 

 Salt., O. peltata Salt., O. selwynii Salt., O. ? hydrida Salt. 



Young (J.) Descriptive 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, 1868, p. 169; also in 

 Proc. Royal Phys. Soc. Edinburgh, vol. 4, 1878, p. 167, pi. 1. 

 Solenocaris n. g. (not Solenocaris Meek), S. solenoides n. sp. 



Zenker (J. C.) Beitrage zur Naturgeschichte der 

 Urwelt. Organische Keste (Petrefacten) aus der Alten- 

 burger Braunkohlen -Formation, dem Blankenburger 



