[eel clea leel tees 
1. 
2. 
3. 
4 
5 
1. 
1D), et oes 
13 & 138, 
14& 146, 
ss rR 
Nayicula minor, n. sp. 
EXPLANATION OF PLATE IX 
. 16. Navicula Smithii, var, 7, nitescens. 
its OE Smithii, var. 6, suborbicularis. 
18&18b, maxima, Greg., S.V. and F.V. 
19. Pinnularia subtilis, n. sp. 
Cluthensis, n. sp. 
inconspicua, n. sp. 
brevis, n. sp. 
Fig. 
Claviculus, n. sp., S.V. x 800.]— 20. ... rostellata, n. sp. 
5b, do., F.V. x 800.5, do.| — 21. ... Allmaniana, n. sp. 
S.V. x 400. — 22. ... Pandura, Bréb., var. 8. elongata. 
Musea, n. sp. — 23. Cocconeis distans, Greg. 
rectangulata, n. sp. — 2... ornata, n. sp. 
nebulosa, n. sp. ed ae dirupta, n. sp. 
Barelayana, n. sp. = 2650 in nitida, n. sp. 
spectabilis, n. sp. == Dey Nese pseudomarginata, n. sp. 
praetexta, Ehr, == 28h 2 major, n. sp. 
Bombus, Ehr. — 29. ...  splendida, n. sp. 
Lyra, Ehr, All the above, except figs. 5 and 5 b, are magnified 
Lyra, var. £. 400 diameters. 
Smithii, var. 8, fusca. 
