CHAP, ix.] ANNUAL REPORTS 65 



sent in up to date in an octavo volume of 323 pages, very 

 fully illustrated, entitled " Manual of Injurious Insects, with 

 Methods of Prevention and Remedy"; and in 1890 I 

 followed this by a much enlarged demy-octavo second 

 edition of 450 pages, bearing the same title. In 1898, under 

 the title of " Handbook of Insects Injurious to Orchard and 

 Bush Fruits, with Means of Prevention and Remedy," 

 pp. 280, I included the special observations on fruit infes- 

 tations which had been sent me. In 1900 I published 

 a pamphlet (also illustrated) entitled " Flies Injurious to 

 Stock " (pp. 80), [p. 304] giving reports of observations of life 

 history and habits, and also of means of prevention of a few 

 kinds of infestation. These were given as shortly as they 

 could serviceably be dealt with, excepting in the case of the 

 Warble fly, Hypoderma bovis. Into this it appeared desir- 

 able to enter more fully, it having been under my 

 observation since the year 1884, and having been carefully 

 written on in every detail of habits and means of preven- 

 tion, as observed by my contributors and myself in this 

 country. 



Besides the above publications, I arranged, for gratuitous 

 circulation, various four-page leaflets on our commonest 

 farm pests. Each contained an illustration and as much 

 information as I could manage to condense into the limited 

 space. Among the subjects discussed were the widely des- 

 tructive Wireworm and equally destructive grubs of the 

 Daddy Longlegs or Cranefly, the Mangold-leaf maggot, the 

 Mustard beetle, the minute Stem eel-worm (which causes the 

 malformed growth of cereal .plants known as "tulip root" 

 and does much harm in clover shoots), the Warble fly and 

 the troublesome Forest fly. Our recent investigations have 

 proved this last to be present in two other districts at least, 

 besides the New Forest and its vicinity in Hampshire, to 

 which previously it had been supposed to be almost limited 

 (p. 138). For the leaflet on the Warble fly, its history, and 

 easily practicable methods of prevention and remedy, there 

 has been such a large demand that various issues have been 

 successively printed amounting to 170,000 copies, including 

 15,000 copies which the Messrs. Murray, of Aberdeen, 

 requested permission to print at their own cost. 



The original plan (or rather that which gradually formed 

 in the first few years) of arrangement of the Annual Reports 

 appeared to meet all requirements, so long as the require- 

 ments of the case remain unaltered. Year after year such 

 information as had been asked for was sent, gradually 



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