82 



TUEBELLAEIA. 



N. melanocephala. 



bioculata. 



octoculata. 



purpurea. 



Borlasii. Fig. 131 ; n. s. 

 ? trilineata. 

 1 filiformis. 

 ? flaccida. 

 1 unicolor. 



131 



Teibe II. Seepentaeiana. 



Serpentaria (Goodsir). Body depressed, ab- 

 ruptly pointed before, attenuated behind ; mouth, 

 terminal in front ; vent beneath, immediately 

 behind it. 



S. fragilis. Fig. 132 ; •§- ; and head f n. s. 

 gracilis. 



