PLATE IV. 



Fig. 

 Fig, 

 Fig. 

 Fig. 

 Fi«. 



Fig. 

 Pis. 



1. 

 2. 



3. 

 4. 

 5. 



6. 



7. 



|- natural size. 



J natural size. 

 x natural size. 



Fig. 8. 



Brownish red. 

 Reddish. £ natural size. 

 Reddish. \ natural size. 

 Blackish. 

 Reddish. 5 



a. front view. 



b. side view. 



Body wall 11 mm. thick, blackish. ■£ natural size. 

 Body wall 10 mm. thick, blackish. ^ natural size. 

 Body wall 13 mm. thick, reddish. 



\ natural size. 



