Bud galls 
Andricua piaiformls Beut. 522. Figs.85-88. Globular, 3-6 mm.,white, mottled, 
outer wall fleshy, inner hard and brittle,dropping when mature in April. 
Andricus flavohirtus Beut. 3^6. Figs.100-101. Globular,smooth, surrounded by 
bracts which persist and enlarge after gall drops in June. 
Acraspia gemula (Bass.). 251. Fig.108. Black, at apex of new growth in spring, 
2.5 by 1.25 mm. 
Neuroterus vesicula (Bass.). 258. Fig.82. Globular, smooth, reddish-brown, 
bare, 2_3 mm. in dia., thin-walled, in early spring. 
Tan, ribbed, with nipple at apex, projecting beyond bud scales. Oct. Fig.90. 
Stem galls 
Woody stem swelling 
Irregular, covered with normal bark, 
Joliet,Ill. in May. Fig.127* 
at base 
of last year's growth. 
Seen at 
Detachable 
Disholcaspia mamma (Oresson). 3^3* Fig.l35« 
Disholcaspis bassetti (Gill.). 337* Fig.l60. 
base. Single or small clusters in the 
Xanthoteras forticorne (O.S.). 244. Fig.156. 
Adleria strobilana (O.S.). 272. Figs.l51_2. 
dropping in the fall. 
Pointed Bullet Gall. 
Conical, sessile with a clasping 
fall. 
Oak Fig Gall. 
Terminal cluster of angular galls 
Cells hidden under bark 
Cells just under bark in wood of current season. Seen in Nebr.in Nov. 
Fig.165. 
Leaf galls 
Detachable 
Philonix gigas Weld. 26l. Fig.229. Globular, 15-2o mm. in dia., surface 
covered with fine pubescence, dropping in early Sept. (Ft.Worth,Tex.)• 
Philonix nigra (Gill.). 2 65 . Fig.228. Globular, 5-8 ram. in dia.,with gray 
pubescence, dropping in the fall. 
Acraspia macrocarpae Bass. 256. Fig. 184. Ellipsoidal, 3 by 4 mm., on the 
secondary veins in summer. 
Acraspis villosa Gill. 259. Fig.185. Globular, 7-8 mm., hairy, single on the 
under side in summer. Contains one larval cell. 
Adleria dimorpha (Beut.). 269« Fig.194. Midrib cluster of 2o-3o brown fleshy 
galls, puberulent except on rounded end, on under side on basal third of 
leaf in fall. 
Andricus ignotus (Bass.). 3H» Fig.207* Woolly midrib cluster on under side 
of leaf in fall. 
Xystoteras volutellae Ashra. 243. The type gall is like Fig.247# 
Xyatoteras sp. Figs.218_9. Erroneously determined as the above species and 
distributed as neotypes of it. See orl p.ll4# 
Cylindrical spangle on ground at Ft.Worth,Tex. on Nov.2. Fig.247* 
Neuroterus urabilicatus Bass. 235. Figs.217,31^» Cup-shaped with inrolled 
edge, on under side of leaf in fall. 
Neuroterus saltarius Weld. 232. Figs.225-6. Small spangle in a eup-shaped 
depression on under side of leaf in numbers in fall and dropping out. 
Integral 
Andricus petiolicola (O.S.). 321. Fig.256. AVrupt firm swelling with a scar 
at apex on basal third of leaf in spring, green,many-celled. 
Callirhytis flavipes (Gill.). 428. Elongated, bare , fleshy midrib swelling 
in June, containing several cells. 
Andricus foliaformis Gill. 3°8* Fig. 259. Midrib swelling bearing bracts above 
and below, containing 1_6 cells. June. 
Callirhytis futilis (O.S.) sex.gen. 434. Fig.261. Oak Wart Gall. 
Neuroterus floccosus (Bass.). 218. Fig.272. Small, woolly, in number® on 
under side of leaf in fall. 
62 
