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SUSJECT INDEX 
(References are 'made to the citations by number) 
Aeschrion sp. ,70 
Ague, 67 
Ailanthic acid, 40, 59 
Ailanthus excelsa Hoxb. , 9, 40, 59, 75 
Almond, Hyalopterus arundinis P. ( pruni E.) on, 28 
Amenorrhea, 67 
Anhydroquassin, 34 . .... 
Anorexia, 58 ' ' . . . 
Anur aphis amygdal i Buckt. ( persic ae Boy.) , 28 • 
Anur aphis persicae - niger Smith, 28 
Aphids, 1, 3, 12, 18, 23, 28, 41, 44, 48., 49, 55, 60, 63, 72, 80, 89 
.96, 99, 102, 103, 108, 109, 113, 115, 118 
Aphis brassicae , 23 
Aphis pomi DeG. (Mali F.) , 28, 44, 63, 80 
Aphis pruni Reaumur, 3, 49 
Aphis rosa e, 41 
Aphis rumicis L. , 108, 109 
Aphis solanina Passerini , 109 
Aphis urticaria , 102 
Apple, aphids on, 1, 28 
, Aphis pomi (mali) , on, 28 
Apricot, Hyalopterus arundinis ( pruni ) on, 28 
Arsenic, 105 
Ash-leaved quassia, 125 
Athalia sp. , 77 
Baits, 13, 105 
Barathra brassicae , 54 
Beans, Aphis nimicis on, 108, 109 
, MacrosiphTom pisi on, 109 
Bedbugs, 101 
Beech, Hybernia defoliaria on, 76 
Beets, Aphi s rumicis on, 108 
Bitter-ash, 70, 124, 125, 130 
Bitter damson, 70, 126 
Bitter properties of quassia, 37, 39, 42, 43, 58, 92, 123 
Bitter simaruba, 91 
Bitterwood, 58, 70, 96, 125 
Black fly, 108, 109 
Black radish, Athalia sp. on, 77 
Brevicoryne brassicae L. , 23 
Bryobia praetiosa K. , 110 
Cabbage, Phorbia ( Chortophila ) brassicae on, 112 
Cabbage aphis, 23 
Cabbage fly, 6 
Cabbage moths, 107 
