169 
/ 
Fig. 4. Winged viviparous female of same species; enlarged sixteen 
diameters. 
Fig. 5. Antenna of same. 
Fig. 6. The Grass Root Louse, Schizoneura panicola , winged viviparous 
female; enlarged eighteen diameters; a, antenna. 
PLATE IX. 
Fig. 1. The Grass Root Louse, Schizoneura panicola, wingless viviparous 
female; enlarged twenty-nine diameters. 
Fig. 2. Trama erigeronensis; enlarged twenty diameters; a, antenna: b, 
beak; c, cauda. 
Fig. 3. Forda occidentalis; enlarged twenty-one diameters; a, antenna; b, 
beak; c, cauda. 
Fig. 4. Tychea brevicornis; enlarged twenty-two diameters; a, antenna; b , 
beak. 
Fig. 5. Geoica squamosa, wingless viviparous female; enlarged twenty- 
three diameters. 
Fig. 6. Structures of same; a, beak; b, antenna; c, tarsus. 
PLATE X. 
Fig. 1. Geoica squamosa, pupa; enlarged twenty-four diameters. 
Fig. 2. Winged viviparous female of same species, antenna. 
Fig. 3. Wing of same. 
Fig. 4. The Woolly Grass Root Louse, Rhizobius spicatus; enlarged twenty- 
six diameters; a, antenna; b, beak. 
Fig. 5. The Small Brown Ant, Lasius niger alienus, female; enlarged 
four and one half diameters. 
Fig. 6. The same, worker, enlarged eight and one fourth diameters. 
Fig. 7. The Corn Mealy Bug, Dactylopius sorgliiellus, adult female, 
dorsal view: enlarged twenty-nine diameters. 
Fig. 8. The same, ventral view. 
PLATE XI. 
* 
Fig. 1. The Small Brown Ant, Lasius niger alienus, male; enlarged eight 
and one fourth diameters. 
Fig. 2. Formica schaufussi, worker; enlarged eleven and one half diame¬ 
ters: a, portion of upper surface of abdomen greatly enlarged. 
PLATE XII. 
Fig. 1. Lachnosterna rugosa, male imago; enlarged two and one fifth 
diameters; a, last two ventral segments. 
Fig. 2. Larva of same; enlarged two and one half diameters. 
Fig. 3. Lachnosterna rugosa or hirticula, last abdominal segment of larva, 
seen from beneath; enlarged six diameters. 
—12 
