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., 

 H. L. CLARK. The "Albatross" Hawaiian Echini. 



with 14 Plates 



Reports on the Results of Dredging Operations in 1S77, 1878, 1879, and 1880, in charge 

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



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: — 



K. BRANDT. The Sagittae. 



The Thalassicolae. 

 O CARLGREN. The Actinarians. 

 W. R. COE. The Nemerteans. 

 REINHARD DOHRN. The Eyes 



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, 

 of P. SCHIEMENZ. The Pteropods and 

 Heteropods. 



THEO. STUDER. The Alcyonarians. 



The Salpidae and Doliolidae. 



H. B. WARD. The Sipunculids. 



R. V. CHAMBERLIN. The Annelids. 



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: — 



MARY J. RATHBUN. The Crustacea 



Decapoda. _ 

 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. 

 R. V. CHAMBERLIN. The Annelids. 



H. L. CLARK. The Holothurians. 



The Volcanic Rocks. 



The Coralliferous Limestones. 



S. HENSHAW. The Insects. 



R. VON LENDENFELD. The Silice- 

 ous Sponges. 



H. LUDWIG. The Starfishes and Ophi- 

 urans. 



G. W. MULLER, The Ostracods. 



