Hymenopterous genus Scleroderma. 139 
EXXpLANATION OF THE PLATES. 
PLATE IV. 
Fras. 1, 2, 3, 4. Mandibles of Scleroderma ephippiwm in different 
Fie. 1. 
Fic. 
ole cen. Mor mas); 
10. 
ahi 
12. 
13. 
14. 
15. 
16. 
17. 
oo bo 
iS 
5. 
6. 
7. 
8a. Male organs of generation of S. cylindrica. 
Ie 
2. 
3. 
positions. 
. Maxille and labium of ditto. 
. Antenna of female of ditto. 
. Fore leg of ditto. 
. Last joints of tarsus. 
. Ovipositor of female laterally compressed, the terebra (c) 
detached from the sheaths (a a). 
The terebra and its two spicule removed from the sheaths, 
tee oe compressed (see detailed description, ante 
p- : 
Base of wings of male of S. ephippiwm. 
Antenna of male of S. cylindrica. 
Head of male of ditto. 
Head of female of ditto. 
Head of female of S. ephippiwm, var. with ocelli. 
Head of normal female of S. ephippiwm. 
Extremity of abdomen of female with the spicule un- 
equally protruded in dying. 
PLATE V- 
Scleroderma bicolor, female; 1a, mandible of ditto ; 1), 
maxilla; 1c, labium and palpi; 1d, antenna of ditto ; 
le, part of fore leg of ditto. 
S. Wollastonii, male; 2 a, base of fore wing of ditto. 
S. vigilans, abnormal female with wings and ocelli; 
3a, base of fore wing of ditto; 3b, head of ditto. 
8. vigilans, abnormal female without wings, but with 
ocelli; 4a, head of ditto. 
S. soror, female. 
S. Fonscolombei, male. 
S. linearis, male. 
PLATE VI. 
Cephalonomia formiciformis, male. 
Ditto, female winged; 2a, antenna of ditto; 206, base of 
fore wing. 
Ditto, female without wings, but furnished with ocelli. 
4a. Head of male of ditto ?, from Indian corn; 46, base of 
fore wing of ditto. 
