38 PUBLICATONS OF THE 
Vol. VII., July, 1880 — August, 1884, Geological Series, Vol. I,, contains :— 
No.1. Notes on the Geology of the IRON and COPPER Districts of LAKE SUPERIOR. 
By M. E. Wapswortn. pp. 164. 6 Plates. July, 1880. $2.25. 
No.2. The FELSITES and their Associated Rocks North of Boston. By J. S. Dintzr. 
pp. 16. May, 1881. 5c. 
+ No. 3. Onan Occurrence of GOLD in Maine. ByM.E.Wapswortu. p.1. May, 1881. lc. 
t+ No. 4. A Microscopical Study of the IRON ORE or PERIDOTITE of Iron Mine Hill, 
Cumberland, Rhode Island. By M.E. Wapsworra. pp. 5. May, 1881. 5c. 
No. 5. Observations upon the Physical GEOGRAPHY and GEOLOGY of Mount Ktaadn 
and the adjacent District. By C. E. Hamuin. pp. 35: 2 Plates. J une, 1881. 55c. 
No.6. Report on the recent additions of FOSSIL PLANTS tothe Museum Collections. 
By L. Lesquerevx. pp.6. October, 1881. 5c. 
No.7. The great DIKE at HOUGH’S NECK, Quincy, Mass. By J. E. Wourr. pp. 12. 
July, 1882. 10c. 
No. 8. On some specimens of Permian FOSSIL PLANTS from Colorado. By lLxro 
LESQUEREUX. pp.4. October, 1882. 8c. 
t No.9. On the relations of the TRIASSIC TRAPS and SANDSTONES of the Eastern 
United States. By Wi1am Morris Davis. 8 Plates. pp. 59. January, 1883. 5c. 
t No. 10. The Folded Helderberg LIMESTONES east of the Catskills. By Wiw1Am Morris 
Davis. pp. 20. 2 Plates. January, 1888. 25c. 
No. 11. The AZOIC SYSTEM and its Subdivisions. By J. D. Warrney and M. E. Wapswortu. 
pp- Xvi. and 835. August, 1884. $2.50. 
Vol. VIII., December, 1880 — March, 1881, contains : — 
No. 1. Reports on the Results of DREDGING by the U.S. C, 8. Steamer ‘‘Blake.” VIII. 
Etudes preliminaires sur les Crustaces. Par A. Mitne-Epwarps. Ie. Partie. 
pp. 68. 2 Plates. December, 1880. 90c. 
No. 2. Reports on the Results of DREDGING by the U. S C. §S. Str. “Blake.” IX. 
Preliminary Reports on the ECHINI. By A. Acassiz. pp.7. December, 1880. 5c. 
No. 3. New and little-known REPTILES and FISHES in the Museum Collections. By 
S.GarMAN. pp.1l. February, 1881. 10c. 
No.4. List of DREDGING STATIONS occupied during the year 1880 by the U.S. C. S. 
Str. ‘ Blake.” pp. 4. February, 1881. 5c. 
No. 5. Reports on the Results of DREDGING by the U.S. C. S. Str. “Blake.” X. Re- 
port on the CEPHALOPODS and on some additional Species dredged by the 
U. S. F. C. Str. ‘‘ Fish-hawk,” during the Season of 1880. By A. E. Verritu. 
pp. 17. 8 Plates. March, 1881. $1.00. 
No.6. The Stomach and Genital Organs of ASTROPHYTIDA. By T. Lyman. pp. 8. 
2 Plates. February, 1881. 30c. 
No. 7. Reports on the Results of DREDGING by the U.S. C.S. Str. ‘‘ Blake.” XI. Re- 
port on the ACALEPH. By J. W. Fewxus. pp.14. 4 Plates. March, 1881. 50c. 
No. 8. Studies of the JELLY-FISHES of Narragansett Bay. By J. W. Fewkkxs. pp. 42. 
10 Plates. February, 1881. $1.50. 
No. 9. List of MAMMALS collected by Dr. Edward Palmer in Northeastern Mexico, 
with Field-Notes by the Collector. By J. A. Atten. pp. 7. 6c. 
No. 10. The TRILOBITE: New and Old Evidence relating to its Organization. By C. D. 
Watcotr. pp. 41. 6 Plates. March, 1881. $1.00. 
No. 11. Reports on the Results of DREDGING by the U. 8. C. 5. Str. “Blake.” XII. Re- 
port on the SELACHIANS. By S. Garman. pp. 8. March, 1881. 5c. 
No. 12. Reports on the Results of DREDGING by the U. S. C. 8. Str. ‘‘Blake.” XIII. 
Report on the PYCNOGONIDA. ByE. B. Wiuson. pp. 18. 5 Plates. March 
1881. 65c. 
No. 13. On sme CRUSTACEAN DEFORMITIES. By W. Faxon. pp. 18. 2 Plates. March 
1881. 40c. 
+ No. 14. The DEVONIAN INSECTS of New Brunswick. By H. A. Hacnn. pp. 10. March, 
1881. 10c. 
+ Nos. 3-4, also 9-10, are not sold separately. + Not sold separately. 
