The followiny PMications of the Museum contain Reports on the Dredging Operations in 

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

 1S91, Lieut. Commander Z. L. Tanner, U. S. N., Commanding. 



Three Letters from Alkxaxder Agassiz to the Hon. 

 Marshall McDonald, U. S. Coramis.siotier 

 of Fish and Fisheries, on the Dredging 

 Operations of the "Alb.atross " in 1891. 

 Bull. M. C. Z., Vol. XXI. Xo. 4. June, 

 1891. 16 pp. 

 I. A. Agassiz. On Calamocrinus Diomedse, a 

 new Stalked Crinoid from the Galapa- 

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

 January, 1892. 95 pp. 32 Plates. 

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

 dition of the " Albatioss," from February 

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

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

 22 Plates. 



III. A. Gotl^. Neusina Agassizi. Bull. M. C.Z., 



Vol. XXIII. Xo. 5. December, 1892. 

 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. 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. Scui>DER. The Orthoptera of the 



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



No. 1. September, 18!i3. 25 pp. 3 Plates. 

 VIII. W. ScHiMKKWi TSCH. The Pygnogonidae. 



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

 ber, 1893. 17 pp. 2 Plates. 

 IX. W. McM. WooDWORiH. The Planari- 



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



January, 1894. 4 pp. 1 Plate. 

 X. Th. Studeu. Note prelirainaire sur les 



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



No. 5. February, 1894. 17 pp. 

 XL S. F. Clarke. The Hydroids. Bull. 



U. 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 

 lt'94. 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. 



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. XVIIL April, 1805. 292 pp. 67 

 Plate,s. 



XA'f. W. GiESBRECHT. Die Pelagischen Cope- 

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

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



XVII. C. 11. TowNSEND. The Birds of Cpcos 

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

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



XVIIL C. Hartlaub. Die Coniatuliden. 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. Goi?s. The Foraminifera. Bull. ]\I. 

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



1896. 103 pp. 9 Plates. 



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



Vol. XXIII. No. I. September, 1897. 



92 pp. 15 Plates. 



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



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



1897. 38 pp. C, Plates. 



XXIII. 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 



Brancliiocerianthus urceolus. Bull. M. 

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



1898. 8 pp. 3 Plates. 



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



Ophiuridse. Mem. M. C. Z., Vol. XXIIL 



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



Plates and Chart. 

 XXVI. S. (iARMAN. The Fishes. Mem. M. C. Z., 



Vol. XXIV. November, 1899. 426 pp. 



97 Plates and Chart. 

 XXVII. W. McM. WoonwoRTii. Preliminary 



Account of Planktoncuiertes Apassizii. 



Bull. U. 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. \X. E. HoYLE. The Cephalopoda. Bull. 



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



1904. 71 pp. 12 Plates. 



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

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

 164 pp. 26 Plates. 

 XXXI. K. VON Lendenekld. 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. XXN:L 

 November, 1904. 10, 243 pp. 112 

 Plates. 



XXXIII. E. VON Marenzeller. Stein-und 



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

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

 16 pp. 3 Plates. 



XXXIV. E. VON ]\Iarenzeller. Lagisca Irritans. 



sp., nov., ein Symbiont von llydro- 

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

 No. 3. August, 1904. 6 pp. 1 Plate. 



XXXV. II. LtDwiG. Asteroidea. -Mem. M. C. Z., 



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

 35 Plates, 1 Chart. 



XXXVI. E. Tro.jan. Ein Beitrag zur Morpholo- 



gie des Tiefseeflschgehirnes. Mem. 

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



1906. 42 pp. , 6 Plates. 



XXXVII. W. H. Dall. The MoUusca and the 



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

 XLIIL No. 6. October, 1908. 286 

 pp. 22 Plates. 



