526 
Indiana University Studies 
GALL DIAGRAMS 
X 6 
ANTRON 
Fig. 191. C. echinus echinus, showing epidermis, well developed col- 
lenchyma, scant parenchyma, protective, and nutritive zones. Empty 
cavity below larval cell. 
Fig. 192. C. guadaloupensis patelloides, showing epidermis, collen- 
chyma, compacted parenchyma, protective, and nutritive zones. 
Empty cavity below larval cell. 
Fig. 193. C. echinus schidthessae, showing epidermis, large collen- 
chyma, scant parenchyma, protective, and nutritive zones. Large 
empty cavity below larval cell. 
Fig. 194. C. echinus echinus agamic form ribes , showing epidermis 
and undifferentiated parenchyma layers. 
BESBICUS 
Fig. 195. C. multipunctata heldae, showing epidermis, collenchyma, 
parenchyma, (protective?), and nutritive zones. No cavity except 
larval cell. 
Fig. 196. C. teres hildebrandae, showing epidermis, distinct collen- 
chyma, scant parenchyma, (protective?) and nutritive zones. Some 
cavity below larval cell. 
Fig. 197. Figure applies to C. (Besbicus) mirabilis, and to all species 
of Atrusca. Showing epidermis, some collenchyma, extensive fibrous 
parenchyma, (protective?) and nutritive zones. 
Fig. 198. C. multipunctata indicia, showing epidermis, distinct collen- 
chyma, parenchyma, (protective?), and nutritive zones. 
Fig. 199. C. maculosa tritior, showing broken epidermis, distinct col- 
lenchyma, parenchyma, (protective?), and nutritive zones. 
PHILONIX 
Fig. 200. Applies to both C. plumb e a and C. fulvicollis. Showing epi- 
dermis, scant collenchyma, extensive fibro-compact parenchyma, 
(protective?), and nutritive zones. 
