PLATE III. 



Page . 



PoTKRiocBrNue soop^, Miller tfe Gurley 33 



Fig. 1. Lateral view, magnified two diameters. 

 Fig. 2. Lateral view of eame. natural size. 



POTEUIOCEINUS MACCABEI, n. 8p 34 



Fig. 3. View of posterior side, natural size. 



Fig. 4. Same, n>agnitied two diameters. 



Fig. 5. Azygous side of same, maifiiified two diameters. 



Pig. 6. Same, natural size. 



PoTERIOCRINnS IIAMMONIH, n. Bp 



Fig. 7. Azygoue side view, magnified two diameters. 

 Fig. 8. Same, imtiiral size. 



POTEHIOUKINUS MACCABKt, VUf. DKCKEI'ITUP, H. Vaf -W 



Fig. 9. Azygous side view, niagnifled two diameters. 



Fig. 10. oppoMiite sid»* view, mai,'iiilipd two diameter*?. 



Pig. 11. Azygous side view, natural size. 



Fig. 12. Oppofiitf side view, natural size. 



AO-^LACRtNOS LEOBANDBMSIS, n. sp 15 



Fig. 13. Two examples, natural size. 

 Fig. 14. Same, magnified two diameters 



Pl.ATYORlNUS rOltTlNA, n . Sp 40 



Fig. V). Lateral view of calyx. 

 Fig. Iti. Summit view of same. 



ZeaCIUNIS SALEMEN8IK, U. Wp 37 



Fiir- IT. I^atfral view. 



AOKLACKINUB I'tn.ASKlKNSIS, U. 9p.. 16 



Fig. 18. View of type sppcimeu. 



ZEACRINUs CTUNDKICITS, U. Sp ' .' -^ 



Fig. 19, Azygous aide view. 



Fig. 3() AzypouB eid« view of a smaller specimen. 



Fig. '.II. ()ppr)elte view of same. 



