The following Reports have been published oh are in prepa- 

 ration on the Dredging Operations off the West Coast of 

 Central America to the Galapagos, to the West Coast of 

 Mkxico, and in the Gulf of California, in Charge of Alex- 

 ander Agassiz, carried on by the U. S. Fish Commission 

 Steamer " Albatross," during 1891, Lieut. Commander Z. L. 

 Tanner, U. S. N., Commanding. 



A. AGASSIZ. II. 1 General Sketch of the 

 Expedition of the "Albatross," from 

 February to May, 1891. 



A. AGASSIZ. The Pelagic Fauna. 



A. AGASSIZ. The Deep-Sea Pananiic Fauna. 



A. AGASSIZ. I. 2 On Calainocrinus, a new 

 Stalked Crinoid from the Galapagos. 



A. AGASSIZ. XXIII.2 3 The Echini. 



JAS. E. BENEDICT. The Annelids. 



R. BERGH. XIII. 13 The Nudibranchs. 



K. BRANDT. The Sagittse. 



K. BRANDT. The Thalassicolae. 



C. CHUN. The Siphonophores. 



C. CHUN. The Eyes of Deep-Sea Crustacea. 



S. F. CLARKE. XI. 11 The Hydroids. 



W. H. DALL. The Mollusks. 



W. FAXON. VI.3 XV.'S The Stalk-eyed 

 Crustacea. 



S. GARMAN. The Fishes. 



W. GIESBRECHT. XVI.'S The Copepods. 



A. GOES. III. 4 XX. =o The Foraminifera. 



H. J. HANSEN. XXII. 22 The Cirripeds 

 and Isopods. 



C. HARTLAUB. XVIII.' 8 The Comatulse. 



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 Phosphores- 

 cent Organs of Fishes. 



IV. 6 XII. 14 The Holothu- 



H. LUDWIG. 



rians. 

 C. F. LUTKEN and TH. M0RTENSEN. 26 



The Ophiuridse. 

 OTTO MAAS. XXI. 21 The Acalephs. 

 J. P. McMURRICH. The Actinarians. 

 E. L. MARK. XXIV.2 4 The Cerianthidas. 

 GEO. P. MERRILL. V. a The Rocks of the 



Galapagos. 

 G. W. MULLER. XIX. 19 The Ostracods. 

 JOHN MURRAY. The Bottom Specimens. 

 A. ORTMANN. XIV. « The Pelagic Schi- 



zopods. 

 ROBERT RIDGWAY. The Alcoholic Birds. 

 P. SCHIEMENZ. The Pteropods and Het- 



eropods. 

 W. SCHIMKEWITSCH. VIII. 8 The Pyc- 



nogonidae. 

 S. H. SCUDDER. VII. 7 The Orthopteraof 



the Galapagos. 

 W. PERCY SLADEN. The Starfishes. 

 L. STEJNEGER. The Reptiles. 

 TH. STUDER. X. 10 The Alcyonarians. 

 C. H. TOWNSEND. XVII. 17 The Birds of 



Cocos Island. 

 M. P. A. TRAUTSTEDT. The Salpidse and 



Doliolidse. 

 E. P. VAN DUZEE. The Halobatidse. 

 H. B. WARD. The Sipunculoids. 

 H. V. WILSON. The Sponges. 

 W. McM. WOODWORTH. IX.9 The Pla- 



narians and Nemerteans. 

 W. McM. WOODWORTH. XXVII. 27 



Planktonemertes. 



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Z., Vol. XXT., No. 4, June, 1891, 16 pp. ; and Vol. XXIII., No 1, February, 1892, 



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XVII., No. 2, January, 1892, 95 pp., 32 Plates. 



XXIV., No. 7, August, 1893, 72 pp. 



XXIII., No. 5, December, 1892, 4 pp., 1 Plate. 



XXIV.. No 4, June, 1893, 10 pp [Zool. Anzeig., No. 420, 1893.] 



XVI., Mo. 13, July, 1893, 3 pp 



XXV , No. 1 September, 1893, 25 pp. 



XXV., No. 2, December, 1893, 17 pp., 2 Plates. 



XXV., No. 4, January, 1894, 4 pp., 1 Plate. 



XXV., No. 5, February, 1894, 17 pp. 



XXV., No. 6, February, 1894, 7 pp., 5 Plates. 



XXV., No. 8, September, 1894, 13 pp., 1 Plate. 



XXV., No. 10, October, 1894, 109 pp., 12 Plates. 



XVII., No. 3, October, 1894, 183 pp., 19 Plates. 



XXV, No. 12, April, 1895, 20 pp., 4 Plates. 



XVIII., April, 1S95. 292 pp., 67 Plates, 1 Chart. 



XXVII., No. 3, July, 1895, 8 pp., 2 Plates. 



XXVII., No 4, August, 1895, 26 pp., 3 Plates. 



XXVII., No. 5, October, 1895, 14 pp., 3 Plates. 



XXIX. , No 1, March, 1896, 103 pp., 9 Plates, 1 Chart. 



XXIII., No. 1, September, 1897, 92 pp., 15 Plates. 



XXXI , No 5, December, 1897. 37 pp., 6 Plates, 1 Chart. 



XXXTT., No. 5, May, 1898, 18 pp., 13 Plates, 1 Chart. 



XXXII.. No. 8. August, 1898, 8 pp., 3 Plates. 



XX'I , No. 2, November, 1899, 116 pp., 22 Plates, 1 Chart. 

 XXXV., No. 1, June, 1899, 4 pp., 1 Plate. 



