1920] Metcalf-Oshoni: Insects of Behveen-Tide Zone 117 



EXPLANATION OF PLATES. 



PLATE X. 



A general view of the tidal flats at Wrightsville Beach, North Carolina, taken 

 from the higher sand dunes. The plants in the immediate foreground are the sea 

 oats. In the right foreground insert is an adult male Tibicen viridifascia Walker 

 resting on a stem of the sea oats. 



PLATE XL 



Fig. L Deltocephalus marinus sp. n. adult. 



Fig. la. Deltocephalus marinus sp. n. face. 



Fig. lb. Deltocephalus marinus sp. n. male genitalia. 



Fig. ]c. Deltocephalus marinus sp. n. female genitalia. 



Fig. Id. Deltocephalus marinus sp. n. nymph. 



Fig. 2. Deltocephalus littoralis Ball. 



PLATE XIL 



Acanalonia pumi]a Van Duzee. 

 Myndus enotatus Van Duzee. 

 Dictj'ophora microrhina Walker. 

 Liburnia detecta Van Duzee. 

 Megamelanus elongatus Ball. 

 Megamelanus spartini Osborn. 



