Plate 24 



Lecauiodiaspis prosopidls (Maskell), adult female and larva. 



Figure 1, adult female, outline, optical section. X27: 2, same, dorsal 8-sliaped 

 pore, X 1,500; 3, same, spiracular quimiuelocular disk pore, X 1,500; 4, larva, 

 apex of abdomen, dorsal and ventral, X530; 5, adult female, single cribriform 

 plate, X 530 ; 6, same, anterior spiracular spines, X 650 ; 7, same, posterior 

 spiracular spines, the anterior to the left, X650; 8, same, ventral modified 

 8-shaped pore, X 1,500; 9, same, antenna, X230; 10, same, anal pseudoplates, 

 from Maskell slide, X230; 11, larva, anterior spiracular spines, X 1,500; 12, 

 adult female, apical and adjacent setae, X530; 13, same, ventral abdominal 

 niultilocular disk pore, X 1,500; 14, same, showing arrangement of 8-sliai>ed 

 pores at body margin, ventral to left, dorsal to right, X230: 15, larva, marginal 

 seta, Xl,50(i; IG, larva, spiracular quinquelocular disk pore, X 1,500; 17. larva, 

 ventral 8-shaped pore and seta, X 1,500; IS. larva, anterior spiracular spines 

 (one broken off). X 1.500: 19, larva, seta opposite posterior spiracle, X 1,500; 

 20, larva, outline, ventral, X165. 



60 



