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The following Publications of the eee of Comparative Zodlogy 
are in preparation : — 
Reports on the Results of Dredging Operations in 1877, 1878, 1879, and 1880, in charge of ALEX- 
ANDER AGASSIZ, by the U.S. Coast Survey Steamer “ Blake,” as follows: — 
H. AUGENER. The Annelids of the ‘‘ Blake.”’ 
C. HARTLAUB. The Comatulae of the ‘‘ Blake,” with 15 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 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. 
LOUIS CABO’. Immature State of the Odonata, Part LV. 
EK. L. MARK. Studies on Lepidosteus, continued. 
; os On Arachnactis. 
R. T. HILL. On the Geology of the Windward Islands. 
W. McM. WOODWORTH. On the Bololo or Palolo of Fiji and Gatien 
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. S. J. HICKSON. The Antipathids. 
~ The Panamic Deep-Sea Fauna. J. P. MCMURRICH. The Actinarians. 
H. B. BIGELOW. ‘The Siphonophores. E. L. MARK. Branchiocerianthus. 
K. BRANDT. The Sagittae. ; JOHN MURRAY. ‘The Bottom Specimens. 
Bein The Thalassicolae. P. SCHIEMENZ. The Pteropods and Hete- 
W. R. COE: The Nemerteans. ropods. 
W. H. DALL. ‘The Mollusks. THEO. STUDER. The Alcyonarians. 
REINHARD DOHRN. The Eyes of Deep- M. P. A. TRAUSTEDT. The Salpidae and 
Sea Crustacea. _ Doliolidae. 
H. J. HANSEN. The Cirripeds. H. B. WARD. The Sipunculids. 
HAROLD HEATH. Solenogaster. W. McM. WOODWORTH. The Annelids. 
W. A. HERDMAN. The Ascidians. : 
