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 ths 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 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. is The Nudibranchs. 

 K. BRANDT. The Sagitta;. 

 K. BRANDT. The Thalassicolfe. 

 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.i-s The Stalk-eyed 

 Crustacea. 



S. GARMAN. The Fishes. 



W. GIESBRECHT. XVI.is The Copepods. 



A. GOES. Ill" XX.» The Foraminifera. 



H. J. HANSEN. XXII. 22 The Cirripeds 



and Isopods. 



C. HARTLAUB. XVIII.'s The Comatulse. 



W. A. HERDMAN. The Ascidians. 



S. J. HICKSON. The Antipathids. 



W. E HOYLE. The Cephalopods. 



G. vo.v 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 Ophiurida?. 

 OTTO MAAS. XXI. 21 The Acalephs. 

 J. P. McMURRICH. The Actinarians. 

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

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



Galapagos. 

 G. W. MULLER. XIX." The Ostracods. 

 JOHN MURRAY. The Bottom Specimens. 

 A. ORTMANN. XIV. « The Pelagic Schi- 



zopods. 

 ROBERT RIDGWAY. The Alcoholic Birds. 



P. gCHIEMENZ. The Pteropods and Het- 



eropods. 

 W. SCHIMKEWITSCH. VIII.s The Pyc- 



nogonida?. 

 S. H. SCUDDER. VII.7 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 Salpidse and 



Doliolida?. 

 E. P. VAN DUZEE. The Halobatida?. 

 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. C. 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., No. 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. Anzeig., No. 420, 1898.] 



Bull M. C. 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. Mi 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 N... 10, October, 1894, 109 pp , 12 Plates. 



Mem. M. 0. Z . Vo\ XVlf. No. 3, October, 1894, 183 pp.. 19 Plates. 



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



Mem M. C. Z . Vol. XVI1L, 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 XXTX , 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. iv Z , Vol XXXI , No 5, December, 1897. 37 pp., 6 Plates, 1 Chart. 



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



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



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



