The following Puhlicationx of the Museum contain Reports on the Dreclyimj Operations in 

 charge of Alexander A(/assiz, of the U. S. Fish Commission Steamer ^^Albatross," during 

 1891, Lieut. Commander Z. L. I'amier, U. S. K, Commanding. 



Tliree Letters from Alkxandeu Agassiz. to the Hon. 

 Maisliall McDonald, U. S. Commissioner 

 of Fish and Fisheries, on the Dredging 

 Operations of tlie "Albatross" in 1S91. 

 Bull. M. C. Z., Vol. XXI. No. 4. June, 

 1891. 16 pp. 

 I. A. Agassiz On Calaniocrinus Diomedw, a 

 new Stalked Crinoid from the Galapa- 

 gos. Mem. M. C. Z., Vol. XVII. No. 2. 

 January, 1892. 95 pp. 32 Plates. 

 II. A. Agassiz. General Sketch of the Expe- 

 dition of the '• Albatross,"' from February 

 to May, 1891. Bull. M. C. Z., Vol. 

 XXIII. No. 1. .February, 1892. 89 pp. 

 22 Plates. 



III. A. Goiis. Neusina Agassizi. Bull. M. C. Z., 



Vol. XXIII. No. 5. December, J892. 

 4 pp. 1 Plate. 



IV. H. LuDwiG. Vorlaufiger Bericht iiber die 



erbeuteten Ilolothurien. Zeit. Anz., No. 

 420. 1893. Bull. M. C. Z., Vol. XXIV. 

 No. 4. June, 1893. 10 pp. 

 V. Geo. P. Mkkuii.l. The Rocks of the 

 Galapagos. Bull. M. C. Z., Vol. XVI. 

 No. 13. July, 1893. 3 pp. 

 VI. W. Faxon. Preliminary Descriptions of 

 new Species of Crustacea. Bull. M. C. Z., 

 Vol. XXIV. No. 7. August, 1893. 72 pp. 

 VII. S. H. ScuDDKK. The Orthopteia of the 

 Galapagos. Bull. M. C. Z.. Vol. XXV. 

 No. 1. September, 1898. 25 pp. 3 

 Plates. 

 VIII. W. ScHiMKEWiTSCH. The Pj'gnogonidse. 

 Bull. M. C. Z., Vol. XXV. No. 2. Decem- 

 ber, 1893. 17 pp. 2 Plates. 

 IX. W. McM. WooDWORTH. The Planari- 

 ans. Bull. M. C. Z., Vol. XXV. No. 4. 

 January, 1894. 4 pp. 1 Plate. 

 X. Th. Studer. Note prdliminaire sur les 

 Alcyonaires. Bull. M. C. Z., Vol. XXV. 

 No. 5. February, 1894. 17 pp. 

 XI. S. F. Clarke. The Hydroids. Bull. 

 M. C. Z., Vol. XXV. No. 6. February, 

 1894. 7 pp. 5 Plates. 

 XII. H. LuDWiG. The Holothurians. Mem. 

 M. C. Z., Vol. XVII. No. 3. October 

 1S94. 183 pp. 19 Plates. 



XIII. K. Bekgh. Die Opistliobranchien. Bull. M. 



C. Z., Vol. XXV. No. 10. October, 1894. 

 109 pp. 12 Plates. 



XIV. A. Ortmann. The Pelagic Schizopoda. 



Bull. M. C. Z., Vol. XXV. No. 8. Sep- 

 tember, 1894. 13 pp. 1 Plate. 

 XV. W. Faxon. The Crustacea. Mem. M. C. Z,, 

 Vol. XVIII. April, 1895. 292 pp. 67 

 ' Plates. 



XVI. W. GiESBKECHT. Die Pelagischen Cope- 



poden. Bull. M. C. Z., Vol. XXV. No. 

 12. April, 189."i. 20 pp. 4 Plates. 



XVII. C. H. Town SEND. The Birds of Cocos 



Island. Bull. M. C. Z., Vol. XXVII. 

 No. 3. July, 1895. 8 pp. 2 Plates. 



XVIII. C. Hartlaub. Die Comatuliden. Bull. 



M. C. Z., Vol. XXVII. No. 4. August, 

 1895. 26 pp.' 4 Plates. 



XIX. G. W. Mi-LLEK. Die Ostracoden. Bull. 

 M. C. Z., Vol. XXVII. No. 5. Octo- 

 ber, 1895. 10 pp. 3 Plates. 

 XX. A. Goiis. The Foraminifera. Bull. M. 

 C. Z., Vol. XXIX. No. 1. February, 



1896. 103 pp. 9 Plates. 



XXI. O. Maas. Die Medusen. Mem. M. C. Z., 



Vol. XXlir. No. 1. September, 1897. 



92 pp. 15 Plates. 



XXII. II. J. Hansen. The Isopoda. Bull. M. 



C. Z., Vol. XXXI. No. 5. December, 



1897. 38 pp. 6 Plates. 



XXIH. A. Agassiz. Preliminary Report on the 



Echini. Bull. M.- C. Z., Vol. XXXII. 



No. 5. June, 1898. 18 pp. 14 Plates. 

 XXIV. E. L. Mark. Preliminary Report on 



Branchiocerianthus urceolus. Bull. M. 



C. Z., Vol. XXXII. No. 8. August, 



1898. 8 pp. 3 Plates. 



XXV. C. F. Li-TKEN and Th. Mortensen. The 



Ophiuridie. Mem. M. C. Z., Vol. XXIII. 



No. 2. November, 1899. 114 pp. 22 



Plates and Chart. 



XXVI. S. (iAR.MAN. The Fishes. Mem. M. C. Z. 



Vol. XXIV. November, 1899. 426 pp. 



97 Plates and Chart. 



XXVII. W. McM. WooDWORTH. Preliminary 



Account of Planktonemertes Agassizii. 



Bull. M. C. Z., Vol. XXXV. No 1. 



July, 1899. 4 pp. 1 Plate. 



XXVIII. L. Stejneger. Two new Lizards of the 



genus Anolis, from Cocos and IMalpelo 



Islands. Bull. M. C. Z., Vol. XXXVI. 



No. 6. November, 1900. 6 pp. 1 Plate. 



XXiX. W. E. HOYLE. The Cephalopoda. Bull. 



M. C. Z., Vol. XLIII. No. 1. March, 



1904. 71 pp. . 12 Plates. 



XXX. H. V. Wilson. The Sponges. Mem. M. 

 C.Z.,Vol. XXX. No. 1. .July, 1904. 

 164 pp. 26 Plates. 

 XXXI. R. von Lendenfeld. The Radiating 

 Organs of the Deep Sea Fishes. Mem. 

 M. C. Z., Vol. XXX. No. 2. August, 



1905. 49 pp. 11 Plates, 1 Chart. 



XXXII. A. Agassiz. The Panamic Deep Sea 



Echini. Mem. M. C. Z., Vol. XXXL 

 November, 1904. 10, 243 pp. 112 

 Plates. 



XXXIII. E. VON Marenzeller. Stein-und 



Hydro-Korallen. Bull. M. C. Z., 

 Vol. XLIII. No. 2. August, 1904. 

 16 pp. 3 Plates. 



XXXIV. E. von Marenzeller. Lagisca Irritans, 



sp., nov., ein Symbiont von Hydro- 

 korallen. Bull. M. C. Z., Vol. XLIII. 

 No. 3. Augu-st, 1904. 6 pp. 1 Plate. 



XXXV. H. LuDWiG. Asteroidea. Mem. M. C. Z., 



Vol. XXXII. July, 1905. 12, 292 pp. 

 35 Plates, 1 Chart. 



XXXVI. E. Trcian. Ein Beitrag zur Morpholo- 



gie des Tiefseefischgehirnes. Mem. 

 M.'C. Z., Vol. XXX. No. 3. October, 



1906. 41 pp. 6 Plates. 



