1972] 
Kukalova-Peck — Palaeozoic Insect Order $ 
265 
Figure 10. Monster opterum mora.'vicum n.sp. Enlarged proximal parts 
of left front leg and left middle leg. A = anapleuran ring; C = coxa; 
f = front leg; K = katapleuran ring; m — middle leg; S = sigmoidal 
paracostal suture; T = trochanter. Original, ventral view. Lower Per- 
mian of Czechoslovakia. 
branched outgrowth of the terga. The specimen here described is 
the first example with projections in the order Palaeodictyoptera and 
at the same time the first one to show branching. Additional examples 
should be expected within Palaeodictyoptera, even though their oc- 
currence probably was not as common as in the Megasecoptera. 
Dimensions: Beak length 20 mm, width at the middle 2 mm,* 
lacinia length 1 mm; complete segment of maxillary palpus length 
8 mm; legs I. pair: coxa length 2.8 mm, femur length 10.2 mm, 
tibia length 12.2 mm, tarsus length 8.2 mm, praetarsus length 2.6 
mm; II. pair: coxa length 2.4 mm, femur length 12 mm; mesothorax 
length 4.8 mm, width 14.6 mm; metathorax length 4.8 mm, width 
14.6 mm; abdomen total length about 38 mm; fragment of ovipositor 
length 9.7 mm; longest fragment of abdominal projection length 
16 mm; maximum width 0.8 mm. 
