71 



Nomina Richmond Petersburg Piscataway 



Generum Virginiae Virgin iae Marylandiae 



91 * par allda 



92 * undula/a 



93 Haliomma Aequorea? Aequorea? 



94 crenaturn? 



95 LlTHOBOTRYS quadriloba quadriloba 



96 Lithocampe Auricula? 



97 solitaria? 



98 Mesocena Diodon 



99 elliptica 



100 triangula 



101 Navicula *Sigma 

 Pinnularia 



102 (Diploneis) * did/ma didyma didyma 



103 diomphala diomphala 



104 (Mononeis) * peregrina peregrina 



105 * viridis 



106 Pyxidicula Aciinocyclus 



107 Actinoptychus Actinoptychus Actinoptyclius 



108 aculeata aculeata aculeata 



109 apiculata 



110 appendiculata 



111 areolata 



112 Coscinodiscus Coscinodiscus 



113 cristata 



114 cruciata cruciata 



115 Cylindrus 



116 gemmifera 



±l7 hellenica 



118 Zenj hirsuta 



119 limbata 



120 Oculus chamaeleontis 



Yl\. urceolaris 



122 RhAPHONEIS Amphiceros Arnphiceros Amphiceros 



123 Fusus 



124 gemmifera 



