The following Publications of the Museum of Comparative Zoology- 

 are in preparation : — 



LOUIS CABOT. Immature State of the Odonata, Part IV 

 E. L. MARK. Studies on Lepidosteus, continued. 



On Arachnactis. 

 A. AGASSIZ and C. O. WHITMAN. Pelagic Fishes. Part II, with 14 Plates. 

 A. AGASSIZ and H. L. CLARK. The "Albatross" Hawaiian Echini. 

 S. G ARM AN. The Plagiostomes. 



Reports on the Results of Dredging Operations in 1877, 1878, 1879, and 1880, in charge 

 of Alexander Agassiz, by the U. S. Coast Survey Steamer " Blake," as follows: — 



C. HARTLAUB. The Comatulae of the "Blake," with 18 plates. 



H. LUDWIG. The Genus Pentacrinus. 



A. MILNE EDWARDS and E. L. BOUVIER. The Crustacea of the "Blake." 



A. E. VERRILL. The Alcyonaria of the "Blake" 



Reports on the Results of the Expedition of 1891 of the U. S. Fish Commission Steamer 

 "Albatross," Lieutenant Commander Z. L. Tanner, U. S. N., Commanding, in 

 charge of Alexander Agassiz, as follows: — 



H. B. BIGELOW. The Siphonophores. 

 K. BRANDT. The Sagittae. 



" The Thalassicolae. 



O. CARLGREN. The Actinarians. 

 W. R. COE. The Nemerteans. 

 REINHARD DOHRN. The Eyes of 



Deep-Sea Crustacea. 

 H. J. HANSEN. The Cirripeds. 



The Schizopods. 

 HAROLD HEATH. Solenogaster. 

 W. A. HERDMAN. The Ascidians. 



S. J. HICKSON. The Antipathids. 



E. L. MARK. Branchiocerianthus. 



JOHN MURRAY. The Bottom Speci- 

 mens. 



P. SCHIEMENZ. The Pteropods and 

 Heteropods. 



THEO. STUDER. The Alcyonarians. 



— — - The Salpidae and Doliolidae. 



H. B. WARD. The Sipunculids. 



W. McM. WOODWORTH. The Anne- 

 lids. 



Reports on the Scientific Results of the Expedition to the Tropical Pacific, in charge of 

 Alexander Agassiz, on the U. S. Fish Commission Steamer "Albatross," from 

 August, 1899, to March, 1900, Commander Jefferson F. Moser, U. S. N., Com- 

 manding, as follows: — 



A. AGASSIZ. The Echini. 



H. L. CLARK. The Holothurians. 



The Volcanic Rocks. 



The Coralliferous Limestones. 



J. M. FLINT. The Foraminifera and 



Radiolaria. 



S. HENSHAW. The Insects. 



R. VON LENDENFELD. The Silice- 

 ous Sponges. 



H. LUDWIG. The Starfishes and Ophi- 

 urans. 



G. W. MULLER. The Ostracods. 



MARY J. RATHBUN. The Crustacea 

 Decapoda. 



RICHARD RATHBUN. The Hydro- 

 corallidae. 



G. O. SARS. The Copepods. 



L. STEJNEGER. The Reptiles. 



C. H. TOWNSEND. The Mammals. 

 Birds, and Fishes. 



T. W. VAUGHAN. The Corals, Recent 

 and Fossil. 



W. McM. WOODWORTH. The An- 

 nelids. 



