6 THE ENTOMOLOGIST. 
P. domestica, Linn.—Aphis, sp. St. f 
Spirea Ulmaria, Linn.—(i) Perrisia pustulans, Ribs. Dy. (ii) 
Eriophyes. Y. Veins of the leaves thickened at the base, and else- 
where forming hollow cylinders. 
Rubus fruticosus, Linn.—Perrisia plicatriz, H. Low. Dy., St. 
Rubus, sp.—P. plicatriz, H. Low. St. 
Rosa tomentosa, Sm.—P. rosarum, Hardy. St. 
Crategus monogyna, Jacq.—Myzus oxyacanthe, Koch. Y. 
Epilobium angustifoliwm, Linn.—Perrisia kiefferiana, Ribs. 
Wa Sy: 
BE. hirsutum, Linn.—(i) A white fungus causing swelling and 
twisting of the stem. Dy. (ii) Hriophyes. Dy. Buds aborted, 
covered with white hairs. 
E. montanum, Linn.—Galled by fungus similar to that on the 
last species. Dy. 
E. palustre, Linn.—Eriophyes. Dy. Similar to the buds of H.. 
hirsutum. 
Pimpinelia Saxifraga, Linn.—An abnormal plant found August, 
1913, which resembled Dr. Houard’s description of this species when: 
galled by Aphis anthrisci, Kalt., infested with green aphides with, 
black cornicles. St. 
Gahum verum, Linn.—(i) Perrisia gallicola, H. Low. St. (ii): 
Eriophyes gala, Karp. Dy. (iii) Flower heads in a dense mass,. 
twisted and aborted, caused by ....? Dy. 
G. saxatile, Linn.—Eriophyes galit, Karp. St., Sy. 
G. palustre, Linn.—Perrisia hygrophila, Mik. Y., Dy., St., Sy. 
Valeriana officinalis, Linn.—Stem much swollen and twisted into. 
a spiral, sometimes at right-angles to its original direction, forming 
a large cavity. Causer not discovered. Dy. 
Achillea Millefoliwn, Linn.—Flower head aborted, covered with 
a dense mass of white hairs resembling those caused on various. 
plants by Hriophyes. St. 
A. Ptarmica, Linn.—(i) Flower head aborted; resembles Dr.. 
Houard’s description of the gall caused by Clinorrhyncha millefolii,. 
Wachtl. St. (ii) Terminal leaves massed together into a dense- 
rosette. ? Tephritis. St. 
Senecio Jacobea, Linn.—(i) Stems and leaves swollen by a, 
dark crimson fungus. St. (ii) Tephritis marginata. St. 
Centaurea nigra, Linn.—Fleshy swelling on midrib of leaf 4-inch, 
long, 3-inch wide, probably due to the presence of eelworms. Y. 
C. scabiosa, Linn.—Loéwiola centauree, F. Low. Sy. 
Hieraciwm Pillosella, Linn.—(i) Tylenchus. A firm fleshy swell-. 
ing on midrib of leaf. Y., Dy. (ii) Hrtophyes pilloselle, Nal. Y. 2. 
H. murorum, Linn.—Leaf thickened and somewhat fleshy, rolled 
up to form a hollow cone. Caused by ....? Dy. 
A. radicata, Linn.—Perrisia, sp. Flower heads aborted and 
hardened. Petals do not develop on the side where the larve are. 
Seven or more yellow larvz in each galled head. Dy. 
Leontodon hispidum, Linn.—Tylenchus, sp. Bright red fleshy 
swellings on midrib and blade of the leaf. Sy. 
Veronica Chamedrys, Linn.—Brown swelling 4-inch in length 
