THE PRESIDENT'S ADDRESS Delivered at the Annual Meeting, January 22, 1881. BY RAPHAEL MELDOLA, F.R.A.S., F.C.S., etc. Vice-President of the Entomological Society of London, Ladies and Gentlemen, Although our Rules do not make the delivery of an annual address a necessary part of the duties which devolve upon your President, I think that the custom of reviewing the labours of the Club annually is a healthy one, and on the occasion of this our first Anniversary it will not be amiss to express the hope that this custom will be regularly observed by our future Presidents. In taking stock of the work done during the first year of our existence, we have every reason to congratulate our- selves upon the general success of the Club ; and I do not think that I go too far when I state that it is impossible to name any other Society of a similar character which has grown so rapidly within such a small period of time. From the 140 original members entered down to February 28th of last year—the date of the delivery of my inaugural address—we have now risen to about 240 members, and candidates for admission still continue to come forward. It is often observed, however, that when an organism grows too rapidly, a constitutional weakness is the result, and I should be no true friend of the Club if I reviewed our work solely from an optimist point of view ; it will be more conducive to our future welfare if I point out what appear to me to be certain weaknesses, so that some of