MARYLAND GEOLOGICAL SURVEY lix 



Darton^ N. H. Mesozoic and Cenozoic Formations of Eastern Vir- 

 ginia and Maryland. 



Bull. Geol. Soc. Amer., vol. ii, 1891, pp. 431-450, map, sections. 

 (Abst.) Amer. Geol., vol. viii, 1891, p. 185. 

 Amer. Nat., vol. xxv, 1891, p. 658. 



Harris, Gilbert D. On the Compounding of Nassa iriviltata Say 

 and Nassa peralta (Con. sp.) 



Amer. Geol., vol. viii, 1891, pp. 174-17C. 



McGee, W J The Lafayette Formation. 



12tli Ann. Eept. U. S. Geol. Surv., 1890-91, Washington, 1891, pp. 347-521. 



Geology of Washington and Yicinity. 



In Guide to Washington and its Scientific Institutions. 

 Compte rendu. International Congress of Geologists, 1891. 

 House Misc. Doc, 53rd Cong., 2nd sess., vol. xiii, No. 107. 



Administrative Eeports. Geologic and Paleontologic Investi- 



gations. 



12th Ann. Rept. U. S. (ieol. Surv., 1890-91, Washington, 1891, part i, pp 

 72, 76, 117. 



• Woolman, Lewis. Artesian wells and water-bearing horizons of 

 Southern New Jersey (with a " note on the extension southward of 

 diatomaeeous clays and the occurrence there of flowing artesian wells "). 

 New Jersey Geol. Surv., Rept. State Geologist for 1890, 1891, pp. 269-276. 

 Also published separately. 



1892. 



Dall, W. H. Contributions to the Tertiary Fauna of Florida, etc. 

 Part II. Streptodont and other Gastropods. 



Trans. Wagner Free Inst. Sci., Phila., vol. iii, part ii, 1892, pp. 201-473, pi. 

 xiii-xxii. 



and Harris, G. D. Correlation Papers — Neocene. 



Bull. U. S. Geol. Surv. No. 84, 1892. 



House Misc. Doc, 52nd Cong., 1st sess., vol. xliii. No. 337. 



Darton, N". H. Physiography of the region [Baltimore and vicinity] 

 and Geology of the Sedimentary Eocks. Guide to Baltimore, with an 

 account of the Geology of its environs and three maps. Baltimore, 

 1892. pp. 123-139. 



Day, D. T. (Editor). Infusorial Earth. 



Mineral Resources U. S., 1889-90, Washington, 1892, p. 459. 



Eleventh Census Rept. Mineral Industries, 1892, pp. 707-708. 



House Misc. Doc, 1st sess. 52nd Cong., vol. 50, pt. i, 1892; pp. 707-703. 



