194 Plant Galls observed near Scarborough. 
Lotus corniculatus Linn. : — (i) Contarinia loti De Geer, Cornelian Bay, 
(i) Perrisia loticola Rubs., seven places near Ravenscar and 
Robin Hood’s Bay ; Falcon Inn and Beast Cliff. Also on L. 
uliginosus Schk., Ravenscar. (iii) Eriophyes euaspis Nal., Robin 
Hood’s Bay. 
Vida cracca Linn. : — Perrisia vidae KiefL, Scalla Moor, Cornelian Bay, 
and seven places from Robin Hood’s Bay to Cloughton. 
V. sylvatica Linn. \-Ceddomyide (Houard 3730). Hayburn Wyke. 
Lathy rus pratensis Linn. : — Perrisia lathy ri Kieff. Pickering and three 
places near Ravenscar. 
L. montanus Bernh. : — (i) Perrisia sp ., probably P. schlectendali Kieff., 
(Houard 3781), Oliver’s Mount, Scarborough, Beast Cliff and 
Ravenscar. (ii) Perrisia sp., probably Houard 3775), Beast 
Cliff. 
Prunus spinosa Linn. : — Eriophyes similis Nal. Langdale End and 
various other places near the coast. 
P. padus Linn. : — Aphis padi Linn. Near Fyling Hall Station. 
Spiraea ulmaria Linn. : — Perrisia pustulans Rubs. Along the coast from 
Cornelian Bay to Robin Hood’s Bay. 
S. filipendula Linn. : — Perrisia ulmariae Bremi. Cliffs above White 
Nab. 
Rubus plicatus Weike. and Nees : — (i) Perrisia plicatrix H. Low, Beast 
Cliff. (ii) Eriophyes gibbosus Nal., Beast Cliff. (iii) Coniothy- 
rium Fuckelii Saccardo, Beast Cliff. 
Potentilla erecta Hampe : — Xestophanes brevitarsis Thoms. Apparently 
generally distributed on the moors between John Cross, Brompton 
Moor, Robin Hood’s Bay and Staintondale. 
P. reptans Linn. : — X . potentillae Ratz. Oliver’s Mount, Scarborough. 
Pyrus Aucuparia Ehrh. : — Eriophyes pyri Pagnst. Hayburn Wyke, 
Black Beck, Langdale and Bloody Beck. 
P. malus Linn : — Aphis sp. Oliver’s Mount, Scarborough. 
Epilobium angustifolium Linn, : — Perrisia kiefferiana Rubs. Near 
Seamer Carr House, and near Evan Howe. 
Heradeum sphondylium Linn. : — Macrolabis corrugans F. Low, Near 
Cay ton . 
Galium verum Linn. — Perrisia, galiicola F. Low. Givendale Head, 
Troutsdale, Cornelian Bay and Ravenscar. 
G. palustre Linn. : — Perrisia hygrophila Mik, Jugger Howe Dale above 
Wragby Wood. 
G. Apanne Linn. : — Eriophyes galii Karp. Scalla Moor, Ravenscar and 
Beast Cliff. 
Solidago virgaurea Linn. : — (i) Three withering heads found with the 
stems swollen and curved. No causer discovered. Undercliff, 
Ravenscar. (ii:) Buds swollen and coloured red. Interior 
occupied by a white larva — apparently Dipteron, Cliffs at Ravens- 
car and Beast Cliff, (iii.) Bud swollen and aborted, occupied by 
a Lepidoptera larva. Undercliff, Ravenscar. 
Achillea millefolium Linn. : — Tylenchus millefolii F. Low. Deepdale, 
Oliver’s Mount, Scarborough. 
Centaurea nigra Linn. : — (i ) Urophora solstitialis Linn., frequent along 
the coast from Cornelian Bay to Robin Hood’s Bay. (ii) Flower 
heads containing a different species , of larva, near Fyling Hall 
Station . 
Hieradum umbellatum Linn.: — (i) Auladdea hieradi Bouche, near 
Ravenscar, and near Evan Howe. (ii) Carphotricha pupillata 
Fallen, cliffs, Ravenscar and Beast Cliff, (iii) Tylenchus sp., 
swellings on midribs and blades of leaves, cliffs, Ravenscar. 
Hypochaeris radicata Linn. \-Anguillulide sp. (Houard 6040). Stoupe 
Brow Moor. 
Taraxacum erythrospermum Andez. : — Tylenchus sp. Ravenscar. 
Naturalist 
