TABLE 4. 



This distribution is represented graphically in Figure 5. 



The tendency to bilateral symmetry here in 

 - I I 1 1 the number of teeth is very strong and so gives 



Figure 6 shows the ventral side of the head of a specimen of 

 L. midtidentatus with fewer prosternal teeth than L. forficatus 

 (Figure 7) has. The number of prosternal teeth is not a good 

 specific criterion as they overlap a great deal in the two species. 



No. joints. 34 35 36 37 38 39 40 41 42 43 44 45 4<3 47 4* 49 5° 

 Right 1 2 2 4 6 6 13 15 12 8 8 8 2 1 o o 1 

 Left 31326 15 9 15 12 86612000 



