The following Publications of the Museum of Comparative ^oology are 



in preparation: — 



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

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

 E. L. MARK. On Arachnactis. 



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: — 



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 "Alba- 

 tross," Lieutenant Commander Z. L. Tanner, U. S. N., Commanding, in charge of 

 Alexander Agassiz, as follows: — 



K. BRANDT. The Sagittae. 



K. BRANDT' The Thalassicolae. 



O. CARLGREN. The Actinarians. 



R. V. CHAMBERLIN. The Annelids. 



W. R. COE. The JNemerteans. 



REINHARD DOHRN. The Eyes of Deep- 



Sea Crustacea. 

 H. J. HANSEN. The Cirripeds. 

 H. J. HANSEN. 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. 



Heteropods. 

 THEO. STUDER. 



The Salpidae and Doliolidae 



H. B. WARD. The Sipunculids. 



The Pteropods and 

 The Alcyonarians. 



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., Commanding, as 

 follows: — 



R. V. CHAMBERLIN. The Annelids. 

 H. L. CLARK. The Holothurians. 



The Volcanic Rocks. 



The CoraUiferous Limestones. 



S. HENSHAW. The Insects. 



G. W. MULLER. The Ostracods. 



MARY J. RATHBUN. The Crustacea 



Decapoda. 

 G. O. SARS. The Copepods. 

 L. STEJNEGER. The Reptiles. 

 T. W. VAUGHAN. The Corals, Recent 



and Fossil. 

 A. WETMORE. The Mammals and Birds. 



