PLATE III. 
Fig. 1. Navicuta eranutata, De Brébisson. 
2. NavicuLa Latissima, Gregory. 
3. Navicuta HUMEROSA, De Brébisson. 
4, NavicuLa BREVIS, Gregory. 
5. Navicuna marina, Ralfs. 
6a & &. Navicuta pusiLLa, Smith. 
7. Navicuta Carassius, Ehrenberg. 
8. Navicuta Semen, Ehrenberg. 
9. Navicuca inFiata, Kiitzing. 
10. Navicuta Gastrum, Ehrenberg. 
11. NavicuLa cocconEIFormis, Gregory. 
12. Navicuta HERES, Ralfs. 
