Jmporfanf Tlofice. 



A/ter a pause of five years (Vol. 29 appeared 1916) Volume 30 

 of th e Bibliographia Zoologica appears, again. Like many other 

 Institutes of an ideal character, the Concilium Bibliographicum 

 has had to suffer considerably through the war, sothatwe found 

 it necessary to stop publication, and reduce the work to only col- 

 lecting manuscript for future use; hoping in beller Urne to be able 

 to publish a new Volume and also the card catalogue. 



At last the lime appeared to have come, when in the middle* 

 of Volume 30 a heavy blow Struck us. The man who was the life 

 and soul of the whole underlaking had to lay down his ever ready 

 pen and leave his work. 



The future of the Concilium Bibliographicum has not y et 

 been settled, still we have reasohable hopes thai the lifework of 

 Dr. Field will continue. Sufficient material is at hand for the next 

 volume of the Bibliographia Zoologica. New manuscript is dilli- 

 gently being worked upon. 



For the 30th Volume we have carefully taken in considération 

 ihe literature up to 1920, as far as it can be inserted into the 

 chapters it contains. We wish to have a finish by a certain date, 

 so that, all the material which has already been worked up for, 

 the year 1921 will appear in Vol. 31. The readers will be astonished 

 at the great number of old références ; thèse were missing up tili 

 now in our collection. As in normal Urnes it was impossible to 

 complète thèse références we used the inactive period of the last 

 years to collect missing material. 



So we publish Volume 30, for whose appearance so many 

 readers have been waiting, in the hope that Volume 31 will soon 

 follow. It is not y et decided if this édition will appear in book or 

 pamphlet form. 



