APHIDIDjE. 
515 
The following observations occur in the publication of the result of 
the Commission du Phylloxera, 1875 (Institut de France) : — by Balbiani, 
on reproduction of the Phylloxera, p. 3 ; Cornu, general observations, 
p. 16; Boutin, chemical analysis of sound and affected vines, p. 18; 
Millardet, on American vines resisting the insect, p. 21 ; Girard, general 
observations, p. 27 ; Rouiiiier, treatment of diseased vines with coal-tar, 
’p. 31 ; Mouillefert, results of experiments at Cognac, p, 35. 
Report of results of .Commission in the department of H4rault in 
1874 ; H. Mares, C. R. Ixxx. pp. 1044-1048. 
On its origin in France at Cognac, and not from the extreme south ; 
P. Mouillefert, C. R. Ixxx. pp. 1344-1346. On its extension in the French 
districts attacked in 1874 ; Duclaux, tom. cit. p. 1085. In Auvergne ; 
Julien, 1. 6. p. 1347. In the department of La Gironde ; Azam, op. cit. 
Ixxxi. pp. 36-38. 
On its occurrence on American vines near Bonn ; L. Roesler, 0* R* 
Ixxx. p. 29. 
On its ravages in Klosterneuburg ; A. Makowsky, Verb. Ver. Briinn, 
xii. (SB.) pp. 52-59. 
On its occurrence in Switzerland. F. A. Forel, Bull. Soc. Vaud. (2) 
xiii. pp. 661-683; V. Fatio, in* Journal de Geneve,’ July 21, 1875; 
Forel, Le Phylloxera a Pregny (Gazette de Lausanne), Journal de 
Geneve, August 12, 1875 ; Risler, L’Arrachage et le traitement des vignes 
phylloxerees de Pregny, 1875 ; Le Phylloxera dans le Canton de Geneve, 
de Mai k Aoht, 1875, C. R. Ixxx. p. 957 ; in the north of Switzerland, 
on plants supposed to be indigenous, J. B. Schnetzler, C* R. Ixxx. p. 312 
(these proved to be of American introduction, p. 637). 
Remedies. Coal-ash recommended ; J. Boll, Deutsche E. Z. 1875, 
pp. 335 & 336 {cf. G. Kraatz, ihid.)\ and S. E. Z. xxxvi. pp. 360-362. 
Galvanized wire to be passed through the vineyard, near the root of 
each plant, and charges of electricity to be sent through the communi- 
cation ; Beckensteiner, Ann. Soc. L. Lyon (n.s.) xxi. pp. 421 & 422, pi. 
Sulpho-carbonate of potash strewed on the ground and washed in the 
soil by rain destroys the insect and does not injure the vines; Dumas, in 
Paris ‘ Figaro,’ quoted in N ature, xii. p. 54. 
Duclaux, Ann. Soc. Agric. Lyon (4) vii. pp. 15-24, proposes to arrest 
the progress of the insect by keeping an uncultivated strip of land be- 
tween the southern and northern points of its attack, and vigorously 
watching this, destroying every Phylloxera on it. 
Remedies of various natures suggested in C. R. Ixxx. by H. Mar^s, 
p. i048, Dumas, p. 1049, Pellet & Villedieu, p. 1226, Godet & Monastier, 
p. 1227, P* Zoeller & A. Grete, p. 1347, Reymonet, p. 1349, Gueyraud Sc 
Rousseau, p. 1596 ; op. cit. Ixxxi. by M. Girard, p. 626, Petit, p. 679j 
Aubergier, p. 785, Dumas, p. 788, Duclaux, p. 829, Boggio, p. 883, and 
various others in both vols., of whose propositions merely the titles are 
given. 
Phylloxera corticalis, J. H. Kaltenbach, “ Die Pflanzenfeinde,” p. 677, 
Germany ; P. caryce-gummosa, caryce-ren, and caryce-fallax, C. V. Riley, 
Rep. Ins. Mo. vii. p. 118, N. America : spp. nn. 
