MUSEUM OF COMPARATIVE ZOOLOGY. 41 



Vol. XXXII. contains: — 



No. 1. Studies from the Newport Marine Laboratory. XLI. On Dactylo- 

 metra. By A. Agassiz and A. G. Mater, pp. 12. 13 Plates. April, 

 1898. 



No. 2. On Some Medusae from Australia. By A. Agassiz and A. G. Mayer. 

 pp. 8. 3 Plates. April, 1898. 



No. 3. The Gordiacea of certain American Collections. With particular Ref- 

 erence to the North American Fauna. By T. H. Montgomery, Jr. pp. 40. 

 15 Plates. April, 1898. 



No. 4. Some Planarians from the Great Barrier Reef of Australia. By 

 W. McM. Woodworth. pp. 6. 1 Plate. April, 1898. 



No. 5. Reports on the Dredging Operations off the West Coast of Central 

 America to the Galapagos, etc., by the U. S. Fish Commission Steamer 

 "Albatross." XXIII. Preliminary Report on the Echini. By A. Agassiz. 

 pp. 18. 13 Plates and Chart. June, 1898. 



No. 6. The Nervous System of Nereis virens Sars. A Study in Compara- 

 tive Neurology. By J. J. Hamaker. pp. 48. 5 Plates. July, 1898. 



No. 7. On Remains of Struthiolithus Chersonensis from Northern China, 

 with Remarks on the Distribution of Struthious Birds. By C. R. East- 

 man, pp. 17. 1 Plate. July, 1898. 



No. 8. Reports on an Exploration off the West Coasts of Mexico, Cen- 

 tral and South America, and off the Galapagos Islands, in charge of 

 Alexander Agassiz, by the U. S. Fish Commission Steamer " Alba- 

 tross," during 1891, Lieut. Commander Z. L. Tanner, U. S. N., Commanding. 

 XXIV. Preliminary Report on Branchiocerianthus urceolus, a New 

 Type of Actinian, by E. L. Mark. 8 pp. 3 Plates. August, 1898. 

 [Vol. XXXII. to be continued.] 



Of the Memoirs : — 



Vol. XXIII. contains : — 

 No. 1. Reports on an Exploration off the West Coasts of Mexico, Central 

 and South America, and off the Galapagos Islands, in charge of Alex- 

 ander Agassiz, by the U. S. Fish Commission Steamer "Albatross," during 

 1891, Lieut. Commander Z. L. Tanner, U. S. N., Commanding. XXI. Die 

 Medusen. Von Otto Maas. pp. 92. 15 Plates. September, 1897. 



[Vol. XXIII. to be continued,] 



