81 
and tips of tibiae dusky. Antennae short and pale, last joint 
darker and proportionately longer than in the wingless female. 
Beak and tubercles as usual. 
Length 1.61 mm., width .8 mm., antennae .48 mm. 
Winged Viviparous Female (Plate VIII., Fig. 4 and 5).—Head 
black, thorax brownish black, abdomen pale green, with black 
marginal blotches on the second, third, and fourth segments, and 
around base of cornicles. Several transverse dusky marks in front 
of the cauda. Beneath, thorax chiefly dark, with pale spaces 
about base of legs; abdomen pale green, seventh segment as in 
wingless female. Antennse dark, pale at the articulations, 
length and proportions about as in wingless form, imbrication 
of joints III-VI distinct, III with six to eight mostly large sen- 
soria in a nearly straight line, fourth segment with one or two 
sensoria, sometimes none, V and VI as usual. Beak, abdominal 
tubercles, cornicles, and cauda, as in wingless form. Thoracic 
tubercles more outwardly directed. 
Length 1.8 mm., width .9 mm., antennm .7 mm., cornicles .12 
mm., fore wing 2 mm. 
Wingless Oviparous Female (Plate VII., Fig. 5).—Body dull 
green, with a glaucous bloom. Head dusky, prothorax chiefly 
dusky, three succeeding segments with a median transverse 
dusky blotch. Other small spots in series on dorsum. Beneath, 
head and prothorax dusky, two dark spots outside middle 
coxae, and dusky line before each of the hind coxae. The usual 
dark patch on the seventh segment. Antennae relatively 
shorter, not reaching hind coxae, proportions as in the pseudo- 
gyne; basal two joints and apical portions of the others dusky. 
Beak dusky, attaining middle coxae. Legs blackish, femora 
paler at base, anterior and middle tibiae paler except at tips; 
hind tibiae greatly swollen and thickly covered with small sensoria. 
Tubercles smaller than in the pseudogynes. Cornicles and 
cauda as in the other forms. 
Length 2.3 mm,, width 1.2 mm., antennae .8 mm., cornicles 
.2 mm. 
Egg .—Length .7 mm., 
w width .3 mm. A r ellow when first laid, 
becoming black during winter and changing to green just before 
hatching in spring. 
Wingless Male (Plate VII., Fig. 6).—Body narrower than that 
of pseudogyne, greenish black with a glaucous bloom, head 
black, thoracic segments each with a transverse black band, 
narrow on the prothorax, wider on the mesothorax, both at¬ 
taining the lateral margins, that on the metathorax narrow 
and short, not reaching the margins. Similar short bands on 
the first and the last three abdominal segments, other smaller 
spots present. Antennse, legs, and cornicles blackish. Thorax 
beneath blackish, abdomen dark green, with the usual dark 
patch on seventh segment. Antennal lengths as in the pseudo¬ 
gyne, the joints thicker, joint III with two or three large sen- 
-6 E. 
