ILLUSTRATIONS 
Plate 
I. Citrus ichangensis Swingle: The type specimen from Hsing- 
shan District, Hupeh Province, China. 14 
II. Fig. 1.— Cysticercus ovis from lamb which had been fed eggs 
of Taenia ovis. Fig. 2.— Cysticercus cellulosae. Fig. 3.— 
Taenia ovis. Fig. 4.— Taenia hydatigena (T. marginata) 
from an imported sheep dog. Fig. 5.— T. hydatigena (T. 
marginata) from a dog which had been fed Cysticercus 
tenuicollis . 58 
III (colored). Figs. A and B. —Portions of muscle of sheep 
showing Cysticercus ovis (undegenerated) in situ. Fig. 
A. —Section of hind leg showing two “deep” cysticerci. 
Fig. B. —Hind leg showing three “superficial” cysticerci. 
Figs. C and D .—Heart and portion of diaphragm of sheep 
showing Sarcocystis nodules likely to be mistaken for de¬ 
generate cysticerci. Fig. E. —Sheep heart showing nu¬ 
merous small degenerate cysticerci ( Cysticercus ovis) . 58 
IV. Fig. 1.—Carcass of sheep showing a degenerate cyst of Cysti¬ 
cercus ovis at the point indicated by the penknife. Fig. 
2.—Degenerate cysts of Cysticercus ovis in muscle of sheep; , 
portion of carcass shown in Plate III, figs. A and B . 58 
V. Leaves of different species, showing the work of the serpen¬ 
tine leaf-miner (Agromyza pusilla). Fig. 1.—Mines in a 
leaf of rape. Fig. 2—Mines in leaves of white clover. 
Fig. 3.—Mines in leaves of alfalfa. 88 
VI. Figs. 1, 2, 5, and 6.— Anthonomus grandis ihurberiae: Type 
specimens. Figs. 1 and 5.—Side and dorsal views of 
male. Figs. 2 and 6.—Side and dorsal views of female. 
Figs. 3, 4, 7, and 8.— Anthonomus grandis . Typical 
specimens. Figs. 3 and 7.—Side and dorsal views of 
male. Figs. 4 and 8.—Side and dorsal views of female. 
Fig. 9.— Thurberia thespesioides: Section of boll, showing 
cell of Anthonomus grandis ihurberiae. Fig. 10.— Thur¬ 
beria thespesioides: Seed, showing cell of Anthonomus 
grandis ihurberiae. Fig. n.— Thurberia thespesioides: Boll, 
showing egg puncture of Anthonomus grandis thurberiae.. 98 
VII. Fig. 1.— Polyporus pilotae: A sporophore on the end of a 
white-oak log from Arkansas. Fig. 2.— Polyporus pilotae: 
Rot appearing in the butt of a white-oak log from Arkan¬ 
sas, showing the holes and white cellulose areas charac¬ 
teristic of this rot in a cross section of a living oak. Fig. 
3.— Polyporus pilotae: Radial-longitudinal view of a 
white-oak log from Arkansas, showing the honeycomb 
type of the rot with the white cellulose lines and elliptical 
hollows. Fig. 4.— Polyporus pilotae: Rot occurring in a 
log of Castanea pumilairom Arkansas; A , concentric layers 
of the rotted wood; B, white cellulose fibers. Fig. 5.— 
Polyporus pilotae: Cross section of a chestnut log from 
New York, showing the central circular rotted zone. 
Fig. 6.— Polyporus pilotae: Radial-longitudinal view of 
the rot in a chestnut log from New York, showing the 
white pocketed stage. 12S 
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