The following Publications of the Museum of Comparative Zoology 

 are in preparation: — 



Reports on the Results of Dredging Operations in 1877, 1878, 1879, and 188<), in charge of Alex- 

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



E. EHLERS. The Annelids of the " Blake." 



C. HARTLAUB. The Comatulae of the " Blake," with 15 Plates. 



H. LUDWIG. The Genus Pentacrinus. 



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



Illustrations of North American MARINE INVERTEBRATES, from Drawings by Burk- 

 iiardt, Sonrel, and A. Agassiz, prepared under the direction of L. Agassiz. 



LOUIS CABOT. Immature State of the Odonata, Part IV. 

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



M On Arachnactis. 



R. T. HILL. On the Geology of the Windward Islands. 

 W. MoM, WOOD WORTH. On the Bololo or Palolo of Fiji and Samoa. 

 A. AGASSIZ and A. G. MAYER. The Acalephs of the East Coast of the United States. 

 A.G.MAYER. An Atlantic " Palolo." 

 A. G. MAYER. Acalephs from the Tortugas, Florida. 

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



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: — 



A. AGASSIZ. The Pelagic Fauna. 

 " The Echini. 



" The Panamic Deep-Sea Fauna. 



J. E. BENEDICT. The Annelids. 



K. BRANDT. The Sagittae. 



" The Thalassicolae. 



C. CHUN. The Siphonophores. 



" The Eyes of Deep-Sea Crustacea. 



W. II. DALL. The Mollusks. 



S. G ARM AN. The Fishes. 



H. J. HANSEN. The Cirripeds. 



W. A. HERDMAN. The Ascidians. 



S. J. HICKSON. The Antipathids. 



W. E. HOYLE. The Cephalopods. 



G. VON KOCH. The Deep-Sea Corals. 



C. A. KOFOID. Solenogaster. 



R. VON LENDENFELD. The Phospho- 

 rescent Organs of Fishes. 



C. F. LUTKEN and TH. MORTENSEN. 



The Ophiuridfe. 

 E. L. MARK. Branchiocerianthus. 

 JOHN MURRAY. The Bottom Specimens. 

 ROBERT RIDGWAY. The Alcoholic Birds. 

 P. SCHIEMENZ. The Pteropods and Hete- 



ropods. 



W. PERCY SLADEN. The Starfishes. 

 Li STEJNEGER. The Reptiles. 

 THEO. STUDER. The Alcyonarians. 

 M. P. A. 'i' R A U TSTEDT. The Salpidae and 

 Doliolidae. 



E. P. VAN DUZEE. The Halobatidse. 



H. B. WARD. The Sipunculids. 



H. V. WILSON. The Sponges. 



W. McM. WOOD WORTH. The Nemerteans. 



