72 



Nomina RIchmond Petersburg Piscataway 



Generum Virglniae Virginiae Marylandiae 



1 25 Leptoceros Leptoceros 



126 pretiosa 



127 * Rhombus Rhombus 



128 Rhizosolenia americana americana americana 



129 Pileolus Pileolus 



130 Stauroneis Sigma 



131 SYMBOLOPHORA Trinitalis 



132 Synedra Linea 



133 * Ulna 



134 Triceratium amblyoceros 



135 obtusum obtusum 



136 Püeus 



•137 * Reticulum Reticulum Reticulum 



138 Zygoceros * Rhombus 



Phytolitharia. 



139 Amphidiscus * clavatus 



140 Lithasteriscus *radiatus radiatus 



141 * reniformis 



142 tuberculosus tuberculosus 



143 * amphiodon 



144 Lithostylidium * Clepsammidium * Clepsammidium 



145 Spongolilhis * acicularis acicularis 



146 appendiculata 



147 * asper a 



148 * Caput serpentis 



149 * cenocephala 



150 * Clavus Clavus Clavus 



151 collaris collaris 



152 *foraminosa 



153 * Fustis Fustis Fustis 



J.54 * uncinata 



155 unguiculata 



