PLATE 83. 



Legion NASSELLARIA. 

 onlow STKl'HolDEA rr SPYROIDEA. 



Families STEPHANIDA, SEMANTIDA, CORONIDA, TYMPAMDA, 

 ZYOOSPYRIDA, PHORMOSPYUIDA et ANDROSPYKIDA. 



(IOOU CHALL. UP. PART IU 1886.) Rf. 



