The following Reports have been published on 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. N., Commanding. 



A. AGASSIZ. II.i General Sketch of the 

 Expedition of the "Albatross," from 

 February to May, 1891. 



A. AGASSIZ. The Pelagic Fauna. 



A. AGASSIZ. The Daep-Sea Panamic Fauna. 



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

 Stalked Crinoid from the Galapagos. 



A. AGASSIZ. XXIII.23 The Echini. 



JAS. E. BENEDICT. The Annelids. 



R. BERGH. XIII. is The Nudibranchs. 



K. BRANDT. The Sagittse. 



K. BRANDT. The Thalassicolse. 



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. VT.s XV.!6 The Stalk-eyed 

 Crustacea. 



S. GARMAN. The Fishes. 



W. GIESBRECHT. XVI.'5 The Copepods. 



A. GOES. Ill * XX.'-o The Foraminifera. 



H. J. HANSEN. XXII. 22 The Cirripeds 



and Isopods. 



C. HARTLAUB. XVIII. '» The Comatulas. 



W. A. HERDMAN. The Ascidians. 



S. J. HICKS0N. The Antipathids. 



W. E HOYLE. The Cephalopods. 



G. vos 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 Ophiuridse. 

 OTTO MAAS. XXI 21 The Acalephs. 

 J. P. McMURRICH. The Actinarians. 

 E. L. MARK. XXIV. « The Cerianthid*. 

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



Galapagos. 

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

 JOHN MURRAY. The Bottom Specimens. 

 A. ORTMANN. XIV. w The Pelagic Schi- 



zopods. 

 ROBERT RIDGWAY. The Alcoholic Birds. 

 P. SCHIEMENZ. The Pteropods and Het- 



eropods. 

 W. SCHIMKEWITSCH. VIII.» The Pyc- 



nogonidse. 

 S. H. SCUDDER. VIIJ The Orthoptera of 



the Galapagos. 

 W. PERCY SLADEN. The Starfishes. 

 L. STEJNEGER. The Reptiles. 

 TH. STUDER. X. 10 The Alcyonarians. 

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



Cocos Island. 

 M. P. A. TRAUTSTEDT. The Salpidae and 



Doliolidae. 

 E. P. VAN DUZEE. The Halobatidae. 

 H. B. WARD. The Sipunculoids. 

 H. V. WILSON. The Sponges. 

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



narians and Nemerteans. 

 W. McM. WOODWORTH. XXVII." 



Planktonemertes. 



' Bull M.C. Z., Vol. XXI., No. 4, June. 1891, 16 pp. ; and Vol. XXIII., No 1, February, 1892, 

 89 pp., 22 Plates 



2 Mem. M. C. Z., Vol. XVII., No. 2, January, 1892, 95 pp., 32 Plates, 

 s Bull. M. C. Z., Vol XXIV., N\ 7, August. 1893, 72 pp. 



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

 s Bull. M. C. Z., Vol. XXIV.. No 4, June, 1893, 10 pp [Zool. Anzeig. 

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



September, 1S93. 25 pp. 

 December, 1893, 17 pp., 2 Plates. 

 January, 1894, 4 pp., 1 Plate. 

 February, 1894, 17 pp. 

 February, 1*94, 7 pp., 5 Plates. 

 September. 1894, 13 pp., 1 Plate. 

 10, October, 1894, 109 pp , 12 Plates. 

 " Mem. M. 0. Z., Vol. XVIT. No. 3, October, 1894, 183 pp.. 19 Plates. 

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

 is Mem. M. C. Z.. Vol. XVTTI., April. 1895. 292 pD , 67 Plates, 1 Chart 

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

 is 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. C. Z., Vol. XXIX., No 1, March, 1896, 103 pp., 9 Plates, 1 Chart. 



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



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



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



24 Bull. M C. Z.. Vol XXXIT.. No. 8. August, 1898, 8 pp . 3 Plates. 

 2 ' Bull. M. C. Z., Vol. XXXV., No. 1, Juiy 1899, 4 pp., 1 Plate. 



No. 420, 1893.] 



