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. N., Commanding. 



A. AGASSIZ. II.i General Sketch of the 

 Expedition of the "Albatross," from 

 February to May, 1S91. 



A. AGASSIZ. The Pelagic Fauna. 



A. AGASSIZ. The Deep-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. i3 The Nudibranchs. 

 K. BRANDT. The Sagittaa. 

 K. BRANDT. The Thalassicolas. 

 C. CHUN. The Siphonophores. 

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

 S. F. CLARKE. XI.u The Hydroids. 

 W. H. DALL. The Mollusks. 



W. FAXON. VI.3 XV.w The Stalk-eyed 

 Crustacea. 



S. GARMAN. The Fishes. 



W. GIESBRECHT. XVL>5 The Copepods. 



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



H. J. HANSEN. XXII. 22 The Cirripeds 



and Isopods. 



C. HARTLAUB. XVIII." The Comatula?. 



W. A. HERDMAN. The Ascidians. 



S. J. HICKS0N The Antipathids. 



W. E HOYLE. The Cephalopods. 



G. von KOCH. The Deep-Sea Corals. 



C. A. KOFOID. Solenogaster. 



R von LENDENFELD. The Phosphores- 



H. LUDWIG. 



rians. 

 C 



IV. 5 XII." The Holothu- 



cent Organs of Fishes. 



F. LUTKEN and TH. MORTENSEN. 



The Ophiuridse. 

 OTTO MA AS. XXI. 21 The Acalephs. 

 J. P. McMURRICH. The Actinarians. 

 E. L. MARK. XXIV.2* The Cerianthidae. 



GEO P. MERRILL. V.« The Rocks of the 



Galapagos. 

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

 JOHN MURRAY. The Bottom Specimens. 

 A. ORTMANN. XIV. 12 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." The Birds of 



Cocos Island. 

 M. P. A. TRAUTSTEDT. The Salpidaa and 



Doliolidae. 

 E. P. VAN DUZEE. The Halobatidse. 

 H. B. WARD. The Sipunculoids. 

 H. V. WILSON. The Sponges. 

 W. McM. WOODWORTH. IX.» The Pla- 



narians and Nemerteans. 

 W. McM. WOODWORTH. XXVII." 



Planktonemertes. 



89 pp 



Bull M.O. Z., Vol. XXI., No. 4, June 1891, 16 pp. ; and Vol. XXIII., 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., N,o. 7, August, 1893, 72 pp. 



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



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



Bull M. 0. Z., Vol. XVI., No. 13, July, 1893, 3 pp 



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



Bull. M. C. Z . Vol. XXV.. No. 2. December, 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. C Z , Vol. XXV No. 6, February, 1894, 7 pp., 5 Plates. 



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



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



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



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



.Mem M. Z Vol XVIII.. 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. 



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



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



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



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



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



Bull. M C. Z..Vol XXXi I.. No. 8, August, 1S98, 8 pp.. 3 Plates. 



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



