Keywords: Diatomaceae of Philadelphia Plate 15.jpg follows PLATE 15 <table> <tr> <td style vertical-align top; >Fig </td> </tr> <tr> <td style vertical-align top; >1</td> <td style vertical-align top; >Amphora robusta Greg </td> </tr> <tr> <td style vertical-align top; >3</td> <td style vertical-align top; >Amphora crassa Greg </td> </tr> <tr> <td style vertical-align top; >4</td> <td style vertical-align top; >Amphora obtusa Greg </td> </tr> <tr> <td style vertical-align top; >5-6-19</td> <td style vertical-align top; >Amphora proteus Greg </td> </tr> <tr> <td style vertical-align top; >7</td> <td style vertical-align top; >Amphora ovalis Bréb Kuetz </td> </tr> <tr> <td style vertical-align top; >8-18</td> <td style vertical-align top; >Amphora coffæiformis Ag Kuetz </td> </tr> <tr> <td style vertical-align top; >9-10</td> <td style vertical-align top; >Amphora lineolata Ehr </td> </tr> <tr> <td style vertical-align top; >11</td> <td style vertical-align top; >Amphora areolata Grun </td> </tr> <tr> <td style vertical-align top; >12-21</td> <td style vertical-align top; >Amphora ostrearia Bréb </td> </tr> <tr> <td style vertical-align top; >13</td> <td style vertical-align top; >Amphora lævis Greg </td> </tr> <tr> <td style vertical-align top; >14-15</td> <td style vertical-align top; >Amphora ocellata var cingulata Cleve </td> </tr> <tr> <td style vertical-align top; >16</td> <td style vertical-align top; >Amphora angusta var culensteinii Grun </td> </tr> <tr> <td style vertical-align top; >17</td> <td style vertical-align top; >Amphora arenaria Donk </td> </tr> <tr> <td style vertical-align top; >20</td> <td style vertical-align top; >Amphora acuta Greg </td> </tr> <tr> <td style vertical-align top; >2</td> <td style vertical-align top; >Auricula mucronata H L Smith Peragallo</td> </tr> </table> https //archive org/details/diatomaceofphi00boye 1916 Charles Sumner Boyer 1856-1928 PD-old-auto-1923 1928 Diatomaceae of Philadelphia |