The following Reports have been published or are in prepa- 

 ration on the Dredging Operations off the West Coast of 

 Central America to the Galapagos, to the West Coast of 

 Mexico, 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. X., 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. TheDjep-Sea Panamic Fauna. 



A. AGASSIZ. I. 2 On Calamocrinu?, a new 

 Stalked Crinoid from the Galapagos. 



A. AGASSIZ. XXIII.23 The Echini. 



JAS. E. BENEDICT. The Annelids. 



R. BERGH. XIII. 13 The Nudibranchs. 



K. BRANDT. The Sagittaj. 



K. BRANDT. The Thalassicolje. 



C. CHUN. The Siphonophores. 



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



S. F. CLARKE. XI." The Hydroids. 



W. H. DALL. The Mollusks. 



W. FAXON. VI. 3 XV.'« The Stalk-eyed 

 Crustacea. 



S. GARMAN. The Fishes. 



W. GIESBRECHT. XVL'5 TheCopepods. 



A. GOES. Ill * XX.20 The Foraminifera. 



H. J. HANSEN. XXII. 22 The Cirripeds 



and Isopods. 



C. HARTLAUB. XVIII. '« The Comatulfe. 



W. A. HERDMAN. The Ascidians. 



S. J. HICKSON. The Antipathids. 



W. E HOYLE. The Cephalopods. 



G. vox KOCH. The Deep-Sea Corals. 



C. A. KOFOID. Solenogaster. 



R. VON LENDENFELD. The Phosphores- 

 cent Organs of Fishes. 



H. LUDWIG. IV. 5 XII." The Holothu- 



rians. 

 C. F. LUTKEN and TH. MORTENSEN. 



The Ophiuridae. 

 OTTO MA AS. XXI. 21 The Acalephs. 

 J. P. McMURRICH. The Actinarians. 

 E. L. MARK. XXIV.21 The Cerianthidse. 

 GEO P. MERRILL. V. 6 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- 



nogonidse. 

 S. H. SCUDDER. VII.' The Orthoptera of 



the Galapagos. 

 W. PERCY SLADEN. The Starfishes. 

 L. STEJNEGER. The Reptiles. 

 TH. STUDER. X. 10 The Alcyonarians. 

 C. H. TOWNSEND. XVII. 1 ' The Birds of 



Cocos Island. 

 M. P. A. TRAUTSTEDT. The Salpidse and 



Doliolidse. 

 E. P. VAN DUZEE. The Halobatidae. 

 H. B. WARD. The Sipunculoids. 

 H. V. WILSON. The Sponges. 

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



narians and Nemerteans. 

 W. McM. WOODWORTH. XXVII." 



Planktonemertes. 



and Vol. XXIII., No 1, February, 1892, 



» Bull M. C. Z., Vol. XXI., No. 4, June, 1891, 16 pp. 

 89 pp., 22 Plates 



2 Mem M. C. Z., Vol. XVII., Vo. 2, January, 1892, 95 pp., 32 Plates, 

 s Bull. M. C. Z., Vol XXIV., N>. T, August. 1893, 72 pp. 

 * Bull. ft. C. Z., Vol. XXIII., No. 5, December, 1892, 4 pp., 1 Plate. 

 5 Bull. M. C. Z., Vol. XXIV.. No 4, June, 1893, 10 pp [Zool Auzeig., No. 420, 1893.] 

 « Bull M. C. Z., Vol. XVI., No. 13, July, 1893, 3 pp 

 7 Bull. M. C. Z , Vol. XXV , No 1 September, 1S93. 25 pp. 

 » Bull. M. O. Z , Vol XXV., No. 2, December, 1893, 17 pp. ,2 Plates. 

 9 Bull. M. 0. Z., Vol XXV., No. 4, January, 1894, 4 pp., 1 Plate. 

 i» Bull. M C. Z., Vol XXV., No. 5, February, 1894, 17 pp. 



11 Bull. M. C Z . Vol XXV No. R, February, 1894, 7 pp., 5 Plates. 



12 Bull. M. C. Z., Vol. XXV No 8, September, 1894, 13 pp., 1 Plate. 



13 Bull. M. C. Z , Vol XXV X . 10, October, 1894, 109 pp , 12 Plates. 

 « Mem. M. C. Z., Vol XVII. No. 3, October, 1894, 183 pp.. 19 Plates. 



15 Bull M. C Z , Vol XXV. No. 12. April, 1895, 20 pp., 4 Plates. 



1 6 Mem M. C. Z.. Vol XVTTI , April. 1895. 292 pp , 67 Plates, 1 Chart 

 » Bull. M. C Z , Vol. XXVII , No. 3, July, 1895. 8 pp.. 2 Plates. 



» Bull. M. C. Z , Vol XXVII . No 4, August, 1895. 26 pp., 3 Plates. 

 19 Bull. M C. Z , Vol. XXVII., No. 5, October. 1895, 14 pp., 3 Plates 

 ™ Bull M. Z., Vol XXIX , No 1. March, 1896, 103 pp., 9 Plates, 1 Chart. 



21 Mem. M C. Z., Vol. XXTII , No. 1, September. 1897, 92 pp., 15 Plates. 



22 Bull. M. i". Z , Vol XXXI , No 5, December. 1897. 37 pp., 6 Plates, 1 Chart. 



23 Bull. M. C. Z., Vol XXKIL, No. 5, May, 1898'. 18 pp., 13 Plates, 1 Chart 



24 Bull. M C. 7... Vol. XXXII.. No. S, August, 1*98, 8 pp.. 3 Plates. 

 « Bull. M. C. Z., Vol. XXXV.. No. 1. June, 1S99. 4 pp., 1 Plate 



