The following Rkports have been published or ark in prepa- 

 ration ox 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.i General Sketch of the 

 Expedition of the "Albatross," from 

 February to May, 1891. 



A. AGASSIZ. The Pelagic Fauna. 



A. AGASSIZ. The Deep-Sea Panamic Fauna. 



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



Stalked Crinoid from the Galapagos 

 A AGASSIZ. XXIII.2S The Echini. 

 JAS. E. BENEDICT. The Annelids. 

 R. BERGH. XIII. »s The Nudibranchs. 

 K. BRANDT. The Sagittaj. 

 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. VI.s XV. •« The Stalk-eyed 

 Crustacea. 



S. GARMAN. The Fishes. 



W. GIE3BRECHT. XVI.15 TheCopepods. 



A. GOES. UI* XX.w The Foraminifera. 



H. J. HANSEN. • XXII. 2 2 The Cirripeds 



and Isopods. 



C. HARTLAUB. XVIII. >« The Comatulas. 



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. » XII." The Holothu- 

 rians. 



C. F. LUTKEN and TH. MORTENSEN. 



The Ophiuridae. 

 OTTO MAAS. XXI.-' The Acalephs. 

 J. P. McMURRICH. The Actinarians. 

 E. L. MARK. XXrV,2* The Cerianthidse. 



GEO P. MERRILL. V.« The Rocks of the 

 Galapagos. 



G. W. MULLER. XIX." 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- 



nogonidee. 



S. H. SCUDDER. VII J The Orthoptera of 



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 Salpid» and 



Doliolidae. 

 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.** 



Planktonemertes. 



i 



89 P p 



3 



4 

 5 

 S 



8 

 9 

 10 

 11 

 12 

 13 

 1* 

 15 

 16 

 17 

 19 

 lit 

 90 

 31 

 22 

 23 

 24 



Bull M.C. Z., Vol. XXI., No. 4. June 1891. 16 pp. : and Vol. XX1IL, No. 1, February. 1892, 



. 22 Plates 



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



Bull. M. C. Z., Vol XXIV.. Ni. 7, August. 1893, 72 pp. 



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



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, 1S;3, 3 pp 



Bull. M. C. Z , Vol. XXV , No 1 September, 1893. 25 pp. 



Bull. M. 0. Z . Vol. XXV., No. 2. Dei-ember, 1893, 17 pp., 2 Plates. 



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



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



Bull. M. Z . Vol. XXV No h\ February, 1894, 7 pp.,5 Plates. 



Bull. M. 0. Z., Vol. XXV. No 8, September. 1894, 13 pp., 1 Plate- 



Bull. M. C. Z .. Vol XXV. No. 10, October, 1894, 109 pi> , 12 Plates. 



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



Bull M. C. Z , Vol. XXV No 12. April. 1895. 20 pp.. 4 Plate* 



Mem. M. 0. Z . Vol. XVTII . 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. 18a",. 26 pp., 3 Plates. 



Bull M. C. Z., Vol. XXVII., No. 5, October, 18il5, 14 pp., 3 Plates 



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



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



Bull. M. 0. Z.. Vol. XXXI , No 5, December, 1897, 37 pp.. 6 Plates. 1 Chart. 



Bull. M. 0. Z., Vol XXXII., No. 5, May, 1898, 18 pp., 13 Plates, 1 Chart. 



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



Bull. M. C. Z., Vol. XXXV., No. 1, July 1899, 4 pp., 1 Plate. 



