The Diatomaceæ of Philadelphia and Vicinity

PLATE 14

Reading edition

Fig. Page AMPHIPRORA 1-2 Amphiprora pulchra Bail. 68 3 Amphiprora alata Kuetz. 68 4 Amphiprora conspicua Grev. 68 5 Amphiprora paludosa Wm. Sm. 68 6-7 Amphiprora ornata Bail. 68 TROPIDONEIS 8-9 Tropidoneis lepidoptera (Greg.) Cleve. 69 SCOLIOTROPIS 10-11 Scoliotropis latestriata var. amphora Cleve. 69

Illustration from The Diatomaceæ of Philadelphia and Vicinity

Fig. Page

AMPHIPRORA

1-2 Amphiprora pulchra Bail. 68

3 Amphiprora alata Kuetz. 68

4 Amphiprora conspicua Grev. 68

5 Amphiprora paludosa Wm. Sm. 68

6-7 Amphiprora ornata Bail. 68

TROPIDONEIS

8-9 Tropidoneis lepidoptera (Greg.) Cleve. 69

SCOLIOTROPIS

10-11 Scoliotropis latestriata var. amphora Cleve. 69