' BRITISH GALL-GNATS. 153 
? RHODODENDRI, Vallot (undescribed). Trail, Scot. Nat. ii. 251. 
Terminal bud-like leaf-rosettes of [’hododendron ferrugineum. 
Rosaria, H, Lw. (Cecmomyia). Hardy, Ann. Mag. N. H. vi. 185. 
Walker, I. B. 11.77. Smith, Entom. i. 234. Figured, Frisch, 
Beschr., part xii., pl. i., fig. 1; Swammerdam, pl. 44, fig. 16; 
and DeGeer, Memoires, vol. vi., pl. 26, figs. 1-4. 
Terminal leaf-rosettes of Salix. Metamorphosis internal. 
rosaruM, Hardy (Cectmoomyra). Ann. Mag. N. H. vi. 186. Figured, 
Bremi, pl. u., fig. 31. 
Folded thickened leaflet of Rosa. Metamorphosis external. 
ruBI, Heeger (LastoprerA). Walker, I. B. ii. 133. Figured, Réaumur, 
Memoires, pl. 36, figs. 1-5. 
Stems of Rubus. Metamorphosis internal. 
rumicis, H, Law. (Dietosis). Walker, I. B. iii. 100. 
Deformed blooms of Rumex. 
saLiceti, H. Lw. (Cectpomy1a). Walker, I. B. iii. 90. 
In terminal leaves of Salix fragilis with C. terminalis. Metamor- 
phosis external. 
saLicina, Schrk. (Cectpomyia). Walker, I. B. ii. 80. Miller, Ent. 
Mo. Mag. vi. 109. Figured, Frisch, Beschr., part iv., pl. xxi., 
figs. 1-4; Giraud, Verh. z.-b. Gesell. Wien. xi., pl. xvii, fig. 3. 
Terminal leaflets of Salix alba, &¢. Metamorphosis internal. 
SALICIPERDA, Dufour (Cectrpomyia). Walker, I. B. ii. 78. Figured, 
Westwood, Gard. Chron., 1847, p. 588 (U. viminalis). 
In twigs of Salix and Populus. Metamorphosis internal. 
saticis, Schrk. (Cectpomyia). Hardy, Ann. Mag. N. H. vi. 185. 
Walker, I. B. 1.77. Inchbald, Ent. W. Int. x. 61. Figured, 
DeGeer, Memoires, vol. vi., pl. 26, fig. 7. 
Multilocular swellings of twigs of Salix caprea, &c.. Metamorphosis 
internal. 
saroTHaMNI, H. Lw. (AspHonpyxia). Walker, I. B. iii. 117. Miller, 
Ent. Ann., 1872, p. 15. Trail, Scot. Nat. i. 32. 
Bud-shaped galls on twigs of Swrothamnus scoparius. Metamor- 
phosis internal. 
sEROTINA, Wtz.(Cectpomyia). Walker, I. B. iii. 84. Trail. Scot. Nat. ii. 31. 
Top shoots of Hypericum humifusum. Metamorphosis external. 
sisymMBril, Schrk. (Cecrpomyia). Walker, I. B. iii. 80. Figured, 
Curtis, Gard. Chron., 1845, p. 400. 
Deformed flowers of Barbarea vulgaris, Nasturtium, Sisymbrium, &e. 
Metamorphosis internal. 
tax, Inchbald (Cectwomyia). Ent. W. Int. x. 76; Naturalist, 1864, 
p. 79. Miller, Ent. Mo. Mag. vi. 61. 
Terminal leaf-rosette of Taxus baccata. Metamorphosis internal. 
TERMINALIS, H. Lw. (Cectoomyia). Walker, I. B. ii. 81. Muller, Ent. 
Mo. Mag. vii. 89. Figured, Réaumur, Mem., pl. 18, figs. 9-12; 
Swammerdam, pl. 44, fig. 14; F. Low, Verh. z.-b. Gesell. 
Wien. xxy., pl. i1., fig. 2. 
Terminal leaves of Salix fragilis and S. alba. Metamorphosis 
internal and external. 
Tiniz, Schrk. (undescribed). Trail, Scot. Nat. v. 214. Figured, 
Réaumur, Mem., iii., pl. 34, fig. 7. 
