MUSEUM OF COMPARATIVE ZOOLOGY. or 
No. 8. Reports on the DREDGING OPERATIONS of the U. 8S. C.S. Str. “Blake.” I. 
Description of SOUNDING MACHINE, Water-Bottle, and Detacher. By 
Lieut.-Commander C. D. Sigssrz, U.S.N. pp.1l. 5 Plates. December, 1878. 60c. 
No. 9. Reports on the DREDGING OPERATIONS of the U.S. C.S. Str. “Blake.” II. 
ECHINI, by A. Agassiz. CORALS and CRINOIDS, by L. F. pe Pourratis. 
OPHIURANS, by T. Lyman. pp. 58. 10 Plates. December, 1878. $1.50. 
No. 10. Reports on the DREDGING OPERATIONS of the U.S. C.S. Str. “Blake.” III. 
Report on HYDROIDA. ByS. F. Cuarge. pp. 14. 5 Plates. January, 1879. 65c. 
No. 11. On some Young Stages in the Development of HIPPA, PORCHLLANA, and 
PINNIXA. By W. Faxon. pp.16. 5 Plates. April, 1879. 66c. 
No. 12. Reports on the DREDGING OPERATIONS of the U.8.C. 8S. Str. “‘ Blake.” IV. 
Preliminary Report on the WORMS. By Prof. Ernst Eaters of Gottingen. pp. 6. 
June, 1879. 5e. 
No. 13. On the Classification of ROCKS. By M. E. Wansworts. pp. 13. June, 1879. lic. 
No. 14. Letter No. 3 to C. P. Patterson, Supt. U. S. Coast Survey, on the DREDGING 
OPERATIONS of the U.S. C. S. Str. ‘‘ Blake.” By A. Acassiz. pp. 14. 2 Maps. 
June, 1879. 35c. 
No. 15. On the Development of PALAMMONETES VULGARIS. By WatrTer Faxon. pp. 28. 
4 Plates. September, 1879. 68c. 
No. 16. On the Jaw and Lingual Dentition of certain TERRESTRIAL MOLLUSKS. By 
W. G. Binney. pp. 388. 2 Plates. December, 1879. 55c. 
Vol. VL, Part I., September, 1879 — October, 1880, contains Nos. 1-11:— 
* No.1, List of the DREDGING STATIONS occupied by the U.S.C. S. Steamers ‘“‘ Cor- 
win,” “ Bibb,” ‘‘ Hassler,” and ‘‘ Blake,” from 1867-1879. By BENJAMIN PEIRCE 
and CaRLite P. Patterson, Superintendents of the U.S. Coast Survey. pp.16. Sep- 
tember, 1879. 15c. 
No. 2. OPHTURID As and ASTROPHYTID/ of the ‘‘ Challenger” Expedition. By Turo- 
pore LyMaN. Part II. pp. 67. 9 Plates. December, 1879. $1.50. 
No. 3. Reports on the Results of DREDGING under the Supervision of ALEXANDER 
Agassiz, in the Gur ot Mexico, 1877-78, by the U.S. C.S. Str. “Blake.” Lieut.- 
Commander C. D. SigsBez, U.S. N., commanding. V. General Conclusions from 
a Preliminary Examination of the MOLLUSCA. By W. H. Dat. pp. 9. 
February, 1880. 10c. 
No. 4. Report on the Results of DREDGING, by the U. §.C. S. Str. “Blake. » ‘VI. Report 
on the CORALS and ANTIPATHARIA. By L. F. pe PourtatEs. pp. 26. 
8 Plates. February, 1880. 55c. 
+ No. 5. The Ethmoid Bone in the BATS. By Harrison ALLEN, M.D. pp.2. April, 1880. 5c. 
+ No. 6. On Certain Species of CHELONIOIDA. By S. W. Garman. pp. 4. April, 1880. 5c. 
+ No. 7. Contribution to a Knowledge of the Tubular JELLY FISHES. By J. Watter 
Fewkes. pp. 20. 3 Plates. April, 1880. 50c. 
+ No. 8. Letter No. 4 to C. P. Patterson, Supt. U. S. Coast Survey, on the DREDGING 
OPERATIONS of the U.S. C. S. Str. “‘ Blake,” Commander Bartlett, U.S. N., 
during the summer of 1880. By A. AGassiz. pp.8. September, 1880. 10c. 
+ No.9. Reports on the Results of DREDGING by the U. S. C. S. Str. ‘‘ Blake’? VII. 
Description of a GRAVITATING TRAP for obtaining Specimens of Ani- 
mal Life from intermedial ocean Depths. By Lieut.-Commander C. D. SiesBez, 
U.S.N. pp.4. 1Plate. September, 1880. 15c. 
No. 10. On some Points in the Structure of the Embryonic ZOEA. By Watrer Faxon. 
pp. 8. 2double Plates. October, 1880. 40¢. 
No.11. New Species of SELACHIANS in the Museum Collection. By S. Garman. pp. 6. 
October, 1880. 5c. 
Vol. VI., Part II., October, 1881, completing the volume, contains : — 
No. 12, Maturation, Fecundation, and Segmentation of LIMAX CAMPESTRIS Binney, 
By E. L. Marg. pp. 458. 5 Plates. October, 1881. $7.50. 
* Out of print. + Nos. 5-7, also 8-9, are not sold separately. 
