PLATE XVI. 



1. Copeus labiatus .... dorsal view G 



la. edges of lip G 



2. Copeus spicatus .... dorsal view ...... G 



2#, 2b. ., ,,.... side views of head . . . . G 



3. Copeus Cerberus .... dorsal view G 



3er. ,, ...... side view ...... G 



4. Copeus pachynrus . . . dorsal view G 



4a. ,. ...... transverse section G 



46. ., head, showing buccal orifice . . G 



5. Copeus caudatus .... dorsal view G 



5a. ...... side view ...... G 



56. .. ...... mastax and trophi . . . . G 



5c. .. .. . . . . occipital antenna G 



5d. ,, ...... hind dorsal tentacle G 



6. Notommata collaris (?) . . dorsal view ...... H 



Grt. side view H 



