32 THE REPORT OF THE No. 19 



particular attention to the methods lie adopted in indexing and cataloguing 

 insects, experiments, and correspondence. 



Tlie third week was assigned to Dr. Forbes and Dr. Folsom of Illinois. 

 The former in his first lecture discussed the scope of economic entomology, 

 and emphasized the importance of the ecological phase. The Economic Ento- 

 mologist should study both plant and insect ecology on account of their 

 iuutual bearings, and should keep continually before him the humanistic 

 aspect; that is, the value of his results is to be interpreted by their ultimate 

 good to man. Dr. Forbes' second lecture dealt with concrete examples of 

 economic studies, which he himself had made in Illinois, viz., the Northern 

 and the Southern corn-root-worms, the common white grubs, and the aphids 

 of the corn plant. In the period allotted for a seminar. Dr. Forbes described 

 his method of keeping his office records. He keeps (1) an Accession Catalogue, 

 (2) A Species Catalogue, and (3) An Experiment Record. Dr. Folsom gave 

 three most interesting and instructive lectures on the "Insects Injurious to the 

 Clover Plant," and conducted a trip for the study and collection of these 

 insects in the fields. He dealt with the following: CJover-leaf iveevil, Pea 

 aphis, Clover-stem borer, Clover-seed Midge, Clover-seed Chalcid, Clover- 

 seed Caterpillar, Clover-root Borer and Clover-hay worm. A monograph on 

 clover insects will be published soon by Dr. Folsom, who has devoted nearly 

 five years to this subject. 



The fourth week was assigned to the Entomological Staff of Cornell 

 University. Prof . Slingerland devoted two lectures to insect photography, 

 to which he has given much attention, so that he is now considered our 

 foremost insect photographer. 



Dr. J. G. Needham gave a lecture on "What Shall be Done with the 

 Marshes?" He pointed out that while many marshes should be drained and 

 made valuable as agricultural lands, there are other marshes that should not 

 be drained, as they serve useful purposes, and on account of their location 

 would never be valuable as farm lands. He urged that such areas be made 

 places of beauty and recreation, free from the festive mosquito. Dr. Needham 

 conducted the class to his Marsh Laboratory near Eenwick Park and 

 explained the nature of the investigations be was conducting with aquatic 

 forms. 



Drs. MacGillivray and Hiley gave interesting lectures on the "Methods 

 and Aids in Entomological Instruction." They urged the importance of care- 

 ful systematic work, not only along the older lines of anatomical and syste- 

 matic Entomology, but also along the newer lines of morphological and 

 embryological investigations^ if many of the problems that are now con- 

 fronting the economic entomologists are to be solved successfully. 



Much credit is due Prof. Slingerland for the excellent course of 

 lectures provided, which every member of the class thoroughly enjoyed. 



From the old Cornell students in attendance, the absence of Prof, and 

 Mrs. Comstock — who werie taking a well-earned holiday in Egypt and 

 Europe — called forth manj^ expressions of regret, for to most of them the 

 most pleasant memories of their Cornell life are associated with Prof, and 

 Mrs. Comstock in the Entomological Laboratories. 



At the close of the proceedings a hearty vote of thanks to Dr. Felt was 

 proposed by Prof. Lochhead, seconded by the Eev. Dr. Fyles, of Quebec, 

 and enthusiastically adopted by the meeting. After a musical selection by 

 the orchestra, the audience joined in singing "God save the King," and the 

 session was brought to a close. 



