The following Publications of the Museum contain Beports on the Dredging Operations in 

 charge of Alexander Agassiz, of the U. S. Fish Commission Steamer ''Albatross," during 

 1891, Lieut. Commander Z. L. Tanner, U. S. K, Commanding. 



Three Letters from Alexander Agassiz to the Hon. 

 Marshall McDonald, U. S. Commissioner 

 of Fish and Fisheries, on the Dredging 

 Operations of the "Albatross" in 1891. 

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

 1891. 16 pp. 

 I. A. Agassiz. On Calamocrinus Diomedse, 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. Goes. Neusina Agassizi. Bull. M. C.Z., 



Vol. XXIII. No. 5. December, 1892. 

 4 pp. 1 Plate. 



IV. H. LuDwiG. t^orliiufiger Bericht iiber die 



erbeuteten Holothurien. Zeit. Anz., No. 



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



No. 4. June, 1893. 10 pp. 

 V. Geo. p. Merrill. 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. ScuDDER. The Orthoptera of the 



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



No. 1. September, 1893. 25 pp. 3 Plates. 

 VIII. W. ScHiMK^wiTscH. The Pygnogonidae. 



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. Studkr. Note pr^liminaire 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 



1894. 183 pp. 19 Plates. 



XIII. R. Bergh. Die Opisthobranchien. Bull. M. 



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

 109 pp. 12 Plates. 



XIV. A. Ortmann. The Pelagic Schizopoda. 



BuU. 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. Giesbrecht. Die Pelagischen Cope- 



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

 12. April, 1895. 20 pp. 4 Plates. 



XVII. C. H. TowNSEND.' 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. MuLLER. 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. XXIII. No. 1. September, 1897. 

 92 pp. 15 Plates. 

 XXn. H. J. Hansen. The Isopoda. Bull. M. 

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



1897. 38 pp. 6 Plates. 



XXm. A. Agassiz. Preliminary Report on the 



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



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

 XXrV. E. L. Mark. Preliminary Report on 



Branchiocerianthus urceolus. BuU. M. 



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



1898. 8 pp. 3 Plates. 



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

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

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

 Plates and Chart. 

 XXVI. S. Garman. 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 Mal- 

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

 XXXVI. No. 6. November, 1900. 6 

 pp. 1 Plate. 

 XXIX. W. E. HoYLE. The Cephalopoda. BuU. 

 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 Lendenpeld. 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. 

 XXXni. 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. August, 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. Trojan. Ein Beitrag zur Morpholo- 



gic des Tiefseefischgehirues. Mem. 

 M. C. Z., Vol. XXX. No. 3. Oct6ber, 



1906. 42 pp. 6 Plates. 

 XXX^^I. W. H. Dall. The MoUusca and the 



Brachiopoda. Bull. M. C. Z., Vol. 

 XLIII. No. 6. October, 1908. 286 

 pp. 22 Plates. 



