138 NEW YORK STATE MUSEUM 
*8q Both edges of the leaf inrolled toward each other on the 
upper surface. The mites not observed, but believed to be 
Phytoptid. Compare the work of Eriophyes tetratrichus 
(Nalepa) on Tilia europaea [Connold ’o1, Brit. Veg. Gails, 
p.166, pl. 67]. 
Specimens from Albany (Mr Young). INEYS 
*9o0 A deformation of stem and twigs producing large irregular 
galls, the “ Knospenwucherungen ” of the Germans. The mite is 
Dit Olplity.eis) pronpuelei@Nalepa))e 
Nalepa, Vienna 1890, 43, pl. 3, fig. 6 
Banks ’07, p.621 and im Mitt. IN Won (COL, Ialao 
Jarvis ’08, p.93, sixth sp. Ont. 
Occurs in Europe on Populus tremula; this is Caly= 
cophthora populi Amerling and Batoneus popwit 
Kirchner. Professor Banks (in litt.) gives me the New York 
ABO, ve [Dreloehavorn Syoyetaversy, |fiblby, win, isto, Wo Ielo lnleneeicon. 
Potentilla canadensis (five-finger) 
gt A whitish erineum resembling minute tufts of grass, numer- 
ous on both sides of the leaf. ‘Trichomes simple. 
Garman) 92, no. 3, 1s 3 Va. 
Potentilla pennsylvanica (prairie cinquefoil) 
92 “ Erineum on the leaves; somewhat doubtful.” 
BASE “SE, WO, 52 Saskatch. 
Compare with the preceding. 
Prunus americana (wild plum) 
*93 A very long, slender pouch-gall, green or whitish, on the 
tnder side or the Meat “he Vimniteiss probablyaeaqio palkyaers 
Prunda Schoene mss.) CRartott. O7.n Nee Nexto > tanmes ole 
283, no. 13), which Professor Banks (im litt.) would refer to E. 
pruni-crumena [Walsh 1868, Ill. 1st Rep’t, p.55] Banks, 
Catalogue of Acarina, p.621. 
Specimens from Normansville, Albany co. INBYE 
? Jarvis ’07, p.61, third sp. 7 Ont. 
Jarvis’s description implies that his gall was on the upper side 
of the leaf; otherwise it agrees with this. 
