I 



I.-THE WRITINGS OF JACOB WHITMAN BAILEY. 



Bailey, J. W. [Descriptions of fossil fresh-water infusoria from Oregon.] <[Rep. 



Expl. Exp. to the Rocky Mountains and to Oregon and North California, by J. 



C. Fremont. Appendix A. Geological formations by James Hall, p. 302, pi. v. 



Washington, 1845. 



Page. 



Eunotia librile, Ehrenberg, pi. v, figs. 1, 2, 3 302 



Eunolia gihba, Elir., pi. v, figs. 4, 5 302 



Pinnulariapachyptera?, Ehr., pi. v, figs. 6 302 



Gocconema cymMforme? , Ehr., pi. v, figs. 7, 8, 9 302 



Oomphonema clavatuni ?, Ehr., pi. v, figs. 10, 11 302 



Gomphonema minutissirnum, Eh r., pi. v, fig. 12 302 



OalUonella , n. s., J. W. Bailey, 1845, pi. v, figs. 13, 14, 15 302 



Gallionella distans ?, J. W. Bailey, pi. v, fig. 16 302 



Cocconeia precetexta, Ehr., pi. v. figs. 17, 18 , 302 



Fragillaria, J. W. Bailey, 1845, pi. v, fig. 19 302 



Surirella, J. Vf. B.ailey, 1845, pi. v. fig. 20 302 



Fragillaria rhahdosoma ?, J. W. Bailey, 1845, pi. v, fig. 21 302 



Spiculis of fresh- water sponge.s, pi. v, figs. 22, 23 302 



?, pi. V, fig. 24 302 



Scale =: 10-lOOths of millimeter magnified equally with drawings, pi. v, fig. 25 302 



2. 



Bailey, J. W. Letter upon Infusorial Fossils submittied to him by Dr. Schiel. <^Rep. 

 Expls. and Survs. from the Mis.sissippi River to the Pacific Ocean. Report of 

 ExpLs. for a route for the Pacific Raihoad of the line of the forty-first parallel 

 of north latitude, by Lieut. E. G. Beckwith, 1854. Vol. ii, chap, x, pp. Ill, 112, 

 pi. iii (pars.). Washington, 1855. 



Page. 



Epithemia, pi. iii, figs. 5, 6 Ill 



Gocconema aspermn, Ehr Ill 



Gocconema cymhiforme, Ehr Ill 



Discoplea atmosphcerica, Ehr '. Ill 



Surirella campylodiscus?, Ehr., pi. iii, fig. 4 Ill 



Coeceneis, pl. iii, fig. 3 Ill 



Gyrnbella gibba, n. s., Bailey, 1855, pl. iii, fig. 1 Ill 



Gymatopleura ? campylodiscus, n. s. , Bailey, 1855, pl. iii, figs. 2 a, 6 Ill 



Oalleinella, pl. iii, figs. 7 a, & 112 



Oalleinella varians 112 



Stephanodiscus ? 112 



Pennularia nobilis, Ehr 112 



Pennularia viridis 112 



Epithemia 112 



Surirella spkndida (/Ehr.) 112 



Pollen of pine ^ 112 



Spongiolitea , 112 



203 



