1910] Kershaw — Ootheca of a Chinese Mantis 141 
Ficure 3. 
Transverse view about the middle of the ootheca. The covering plate of 
the right-hand chamber removed. The flange, coverstrip and closing mem- 
brane not yet attached to the left-hand plate. The tips of the flaps are 
shown more or less straight up, instead of bent sharply forwards, as they 
are naturally. 
1, 2, 3, etc., the eggs laid in the order of their numbers. 
FIcure 4. 
UV, section of flaps through line UV, Fig. 3. 
WX, section of flaps through line WX, Fig. 3. 
YZ, section of flaps through line YZ, Fig. 3. 
FicureE 5. 
Horizontal section through egg chambers of the back end of the ootheca, 
about the line Q—R, Fig. 3. zz, ragged edges of egg plates, which some- 
times project between the flanges. 
In all the figures of this plate: fg—flange; fl—flap; cvs=coverstrip; ep= 
egg plate; ec=egg chamber. 
EXPLANATION OF PLATE 9. 
Fig. 1, egg plate and flap cemented together. 
Fig. 2, same, flange and coverstrip added. 
Fig. 3, same, closing membrane added. 
Fig. 4, same side view, but coverstrip not shown. 
Fig. 5, three coverstrips cemented together. 
Ficure 6, 
Vertical section through left-hand chamber, on line c—d, Fig. 7. 
FI’, flap coming across from a right-hand chamber. 
FIicure 7. 
Top view of three egg chambers, the upper part cut away about the line 
a—b, Fig. 6. 
In all the figures of this plate: ep=egg plate; fl—flap; fg—flange; 
cvs=coverstrip; cm—closing membrane. 
