34 
Of the Memoirs. 
Vol. XV., containing, 
Reports on the Results of Drepcaine by the U.S. C. S. Steamer “ Blake.” — 
XXXI. Report on the ANNELIDS. By Ernst En ers. pp. vi, 335. 60 Plates. 
October, 1887. 
In preparation : — 
Vol. XIV. 
No. 2. Studies from the Newport Marine Laboratory. — XVI. Development 
of Ossrous Fisuers. Part Il. By Aumxanprer AGassiz and C. O. 
WuitTMan. With 20 Plates. 
Vol. XVI. 
No. 3. The Genesis of the AnrevTIDH. By Atpueus Hyatt. 
Also preparing : — 
Illustrations of North American Marine Invertebrates, from Drawings by Burk- 
hardt, Sonrel, and A. Agassiz, prepared under the direction of L. Agassiz. 
Selections from Embryological Monographs, complied by A. Agassiz, 
W. Faxon, and E. L. Mark (discontinued for the present). Papers by 
KE. L. Mark, on the Development of Lepidosteus and of Arachnactis; by 
A. Hyatt, on Cephalopods; by M. E. Wadsworth; and on Fossil Mam- 
mals, by Scott and Osborne. 
Reports on the Dredging Operations for 1877, 1878, 1879, and 1880, in charge of 
Alexander Agassiz, by the U. S. Coast Survey Steamer “ Blake.” H. B. 
Brady (Foraminifera), P. H. Carpenter (Comatule), W. H. Dall (Mollusks 
of the Gulf of Mexico and the Caribbean Sea), G. B. Goode and T. H. 
Bean (East Coast Fishes and Fishes of the Gulf of Mexico and the 
Caribbean Sea), A. E. Verrill and W. H. Dall (East Coast Mollusks), 
A. A. Hubrecht (Nemerteans), A. Milne-Edwards (Crustacea), and A. E. 
Verrill (Alcyonaria). 
on 
