REPOR'I OF ASSISTANT DIRECTOR. 



31 



III tilt* roi>oit of the Department of Marine luvertebratos will bo 

 Ibiuul u detailed list of the institutions to which the Fish Commission 

 sets of duplicates of marine invertebrates were distributed during the 

 yeai". Iteferences to the various exchanges made are also reported on 

 by the several curators. A tabulated exhibit of what the Museum has 

 done in the way of distributing its duplicates from the commencement 

 of its history is very desirable, and will probably be prepared in time 

 for the next report. 



(c) Publications, 



A complete list of the publications of the National Museum for 1884 

 is given in Appendix B, Part lY. During the year the last live signa- 

 tures of Vol. VI and the first thirty-one signatures of Vol. VII aj)- 

 peared. Proceedings United States National Museum for 1883, Vol. 

 VI, consisting of 558 pages and 14 plates, were published. 



Bulletin No. 25, including seven parts, and terming Vol. 1 of Contribu- 

 tions to the Natural History of the Bermudas, and Bulletin No. 27, con- 

 sisting of twelve parts and constituting a report upon the exhibit of the 

 United States at the London Fisheries Exhibition, 1883, were printed. 



Eight Museum circulars were printed as separates. These, including 

 Nos. 21-31, will appear in Vol. VII T, Proceedings United States National 

 JMuseum. 



In Appendix B, Part IV, will be found a bibliographical list of the 

 papers published during 1884 by ofti(;ers of the Museum. These pai)ers 

 number 229 and are distributed among the several departments as fol- 

 lows : 



In Part IV is a list of 70 i>apers based upon Museum material, writ- 

 ten by iuvestigators other than officers of the Museum. 



