Keywords: Diatomaceae of Philadelphia Plate 39.jpg follows PLATE 39 <table> <tr> <td style vertical-align top; >Fig </td> </tr> <tr> <td style vertical-align top; >1</td> <td style vertical-align top; >Nitzschia spectabilis var americana Grun zone view </td> </tr> <tr> <td style vertical-align top; >2</td> <td style vertical-align top; >Nitzschia panduriformis Greg </td> </tr> <tr> <td style vertical-align top; >3</td> <td style vertical-align top; >Hantzschia amphioxys Ehr Grun </td> </tr> <tr> <td style vertical-align top; >4</td> <td style vertical-align top; >Hantzschia amphioxys var major Grun </td> </tr> <tr> <td style vertical-align top; >5</td> <td style vertical-align top; >Nitzschia dubia Wm Sm </td> </tr> <tr> <td style vertical-align top; >6</td> <td style vertical-align top; >Nitzschia amphioxys Wm Sm </td> </tr> <tr> <td style vertical-align top; >7</td> <td style vertical-align top; >Nitzschia compressa Bail </td> </tr> <tr> <td style vertical-align top; >8</td> <td style vertical-align top; >Nitzschia compressa var minor H L Smith</td> </tr> <tr> <td style vertical-align top; >9</td> <td style vertical-align top; >Surirella intermedia Lewis zone view </td> </tr> <tr> <td style vertical-align top; >10</td> <td style vertical-align top; >Surirella arctissima A S forma minor</td> </tr> <tr> <td style vertical-align top; >11</td> <td style vertical-align top; >Surirella ovalis Bréb </td> </tr> <tr> <td style vertical-align top; >12</td> <td style vertical-align top; >Surirella biseriata Ehr Bréb </td> </tr> <tr> <td style vertical-align top; >13</td> <td style vertical-align top; >Nitzschia sigma Kuetz Wm Sm </td> </tr> <tr> <td style vertical-align top; >14</td> <td style vertical-align top; >Nitzschia obtusa var flexella H L Smith</td> </tr> <tr> <td style vertical-align top; >15</td> <td style vertical-align top; >Stauroneis legumen Ehr </td> </tr> <tr> <td style vertical-align top; >16</td> <td style vertical-align top; >Nitzschia obtusa Wm Sm </td> </tr> </table> https //archive org/details/diatomaceofphi00boye 1916 Charles Sumner Boyer 1856-1928 PD-old-auto-1923 1928 Diatomaceae of Philadelphia |