28 



The seventh volume contains Geological Series, Vol. I. : — 



No. 1. Notes on tlie Geology of the IRON and COPPER Districts of LAKE STJPERIOR. 



By M. E. Wadsworth. pp. 164. 6 Plates. July, 1880. Sf2.25. 

 No. 2. The FELSITE3 and their Associated Rocks North of Boston. By J. S. Diller. pp. 16. 

 May, 1881. 15c. 



No. 3. On an Occurrence of GOLD in Maine. By M. E. Wadswouth. p. 1. May, 1881. Ic. 

 No. 4. A Microscopical Study of the IRON ORE or PERIDOTITE of Iron Mine Hill, Cumber- 



lakd, Rhode Island. By M. E. "Wadsworth. pp.5. May, 1881. 5c. 

 No. 5. Observations upon the Physical GEOGRAPHY and GEOLOGY of Mount Ktaadx and 



the adjacent District. By C. E. Hamlin, pp.35. 2 Plates. June, 1881. 55c. 

 ( Vol. VIZ to be continued.) 



The eighth volume contains : — 



No. 1. Reports on the Results of DREDGING by the U. S. C. S. Str. " Blake.-' VIII. Etudes 

 preliminaires sur les Crustac^s. Par A. Milne-Edwards. le, Partie. pp. G8. 

 2 Plates. December, 1880. 90c. 



No. 2. Reports on the Results of DREDGING by the U. S. C. S. Str. " Blake." IX. Pre- 

 liminary Reports on the ECHINI. By A. Agassiz. pp. 7. December, 1880. 5c. 



No. 3. New and little-known REPTILES and FISHES in the Museum Collections. By S. Gar- 

 ]\IAN. pp. 11. February, 1831. 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 tlie Results of DREDGING by the U. S. C. S. Str. " Blake." X. Report 

 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. Verrill. pp. 17. 8 Plates, 

 March, 1881. $1.00. 



No. 6. The Stomach and Genital Organs of ASTROPHYTID.<E. 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." XL Report on 

 the ACALEPHiE. By J. W. Fewkes. pp. 14. 4 Plates. March, 1881 50c. 



No. 8. Studies of the JELLY-FISHES of Narragansett Bay. By J. W. Fewkes. 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. Allen, pp. 7. 5c. 



No. 10. The TRILOBITE : New and Old Evidence relating to its Organization. By C. D. Wal- 

 COTT. pp. 41, 6 IMates, March, 1881. $1.00. 



No. 11. Reports on the Results of DREDGING by the U. S. C S. Str. "Blake." XII. Report 

 on the SELACHIANS. By S. Carman, pp. 8. March, 1881. 5c. 



No. 12. Reports on the Results of DREDGING by the U. S. C. S. Str. " Blake." XIII. Report on 

 the PYCNOGONIDA. By E. B. Wilson, pp. 18. 5 Plates. March, 1881. 65c. 



No. 13. On some CRUSTACEAN DEFORMITIES. By W. Faxon, pp. 18. 2 Plates. March, 

 1881. 40c. 



No. 14. The DEVONIAN INSECTS of New Brunswick. By H. A, Uagen. pp. 10. March, 



1881. 10c. 

 The ninth volume contains: — 



No. 1. Reports on the Results of DREDGING, by the U. S. C. S. Str, " Blake," XIV. 



Description sommaire des Especes nouvelles d' Asteries. Par E. Perrier. pp. 31. 



June, 1881. 30c. 



No. 2. Reports on the Results of DREDGING by the U. S. C. S, Str. " Blake." XV. Pre- 

 liminary Report on the MOLLUSCS. By W. II. Dall. ( In press. ) 



No. 3. Letter No. 5 to C. P. Patterson, Supt. U. S. Coast Survey, on the EXPLORATIONS in 

 the vicinity of the Tortugas, during March and April, 1881. By A. Agassiz, July, 

 1881. 5 pp. 5c. 



No. 4. Reports on the Results of DREDGING by the U. S. C. S. Str. " Blake." XVI. Pre- 

 liminary Reports on the COMATULAE. By P. H. Carpenter. 1 Plate. (In press.) 



No. 5. Observations on the Species of the Genus PARTULA. By W, D. Hartman. 2 Plates. 

 {In press.) 



( Vol. IX. to bf continued ) 



