Sept., '04] ENTOMOLOGICAL NEWS. 227 



In 1864, with T. Blackburn, H. G. Knaggs, E. C. Rye and 

 H. T. Stainton, he became one of the first editorial board of the 

 Enlomologisf s Monthly Magazine, surviving all of these asso- 

 ciates and continuing in that capacity to the time of his death. 



Since 1884 many papers on British and exotic Neuroptera 

 have appeared from his pen. The Perlidae and Ephemeridae, 

 alone of the group, appear to have been untouched by him. 



For many years he lived at 23 Clarendon Road, Lewisham, 

 in the southeastern part of London, where was to be found the 

 largest collection of native and foreign Neuroptera in the 

 British Isles, far exceeding that of the British Museum. Here 

 were to be seen, in the summer of 1895, when the writer first 

 made his personal acquaintance, great stores of Odonata, 

 European Planipennia, Ephemerina from all parts of the world, 

 including the types of the Rev. A. E. Eaton, the Trichoptera 

 on which the great European Monograph was based, and many 

 extra-European Planipennia and Trichoptera. Many acknowl- 

 edgements for the loan of dragonflies from this mine are con- 

 tained in the works of Baron de Selys-Longchamps, and the 

 latter, by his will, left a considerable sum of money to M'Lach- 

 lan, who in return was to work out the Selysian collections. 

 The devisee, however, declared this ' ' utterly and totally 

 impossible," and at once renounced all right to the money. 



M'Lachlan was equally liberal in affording use of his material 

 to others and, as readers of the News have had opportunity 

 to observe, he voluntarily sent a number of his unique types 

 through the dangers of a trans-Atlantic voyage to contribute 

 to the greater completeness of the Odonate part of the Bio- 

 logia Centrali- Americana , while previously not a few of his 

 duplicates had made their way to find a home (permanently, 

 it is to be hoped) in Philadelphia. 



M'Lachlan took a considerable interest in general scientific 

 questions, as one may learn from Darwin's citations from his 

 papers and correspondence in the Descejit of Man. 



He took an active part in various scientific associations, 

 being a fellow of the Entomological, Linnaean, Royal, Zoologi- 

 cal and Royal Horticultural Societies in London ; of the 

 Entomological Society he was Secretary 1868-72, Treasurer 



