PREFACE, VU 



J^ew Mexico. Mr. H. Wolley Dod, of Calgary, AJberta, has presented 

 specimens of many desiderata from that district, and Mr. II. H. 

 Lyman, of Montreal, has obtained the loan of other Canadian species 

 for examination. 



Of Palsearctic species, Herr E. Plingeler, of Aachen, has lent 

 many forms from his very fine collection. Prof. Ch. Aurivillius has 

 lent, from the Stockholm Museum, his types from. Scandinavia and 

 Greenland and also AValleugren's types from various localities ; and 

 Mr. H. J. Elwes has lent all that was required from the Christoph 

 Collection in his possession. 



The Abbe J. de Joannis has lent several types from S. Europe, 

 Algeria, and Syria ; Mons. Ch. Oberthur types from S. Europe and 

 Algeria, also raany of Guenee's types, almost the whole of the 

 remainder of which have been sent for examination by Prof. Pouvier, 

 of the Paris Museum ; and Mr. G. T. Pethune-Baker his types from 

 Egypt. 



Mons. Paul Dognin, Mr. Herbert Drucc, and Mr. W. Schaus have 

 lent their types from Tropical America ; Prof. F, Karsch, of the 

 Perlin Museum, has examined Maassen's types from Colombia and 

 Ecuador described in Stiibel's ' Peise ;' whilst of the species described 

 from Patagonia and Magellan the types described by the late 

 Dr. Carlos Perg have been lent from the Puenos Ayres Museum, 

 Mons. Paul Mabille has lent his types, and those described by 

 Br. Staudinger have been sent from the Stockholm Museum, and by 

 Prof. K. Krsepelin from the Hamburgh Museum. 



Mr. E. Meyrick has sent his types from the Australasian region, 

 and others from Hawaii have been lent by Dr. J. D. Alfken, of 

 Bremen. In addition to these, all those whose assistance has been 

 acknowledged in former volumes have continued to give any help 

 that was asked of them. 



In this Volume the plates are reproduced by trichromatic photo- 

 graphy, which is better suited to give the effect of dull shades 

 grading one into the other, such as are found in most Noduidte, 



