r | 99 
| : 
| Desmids, 102. (Plate 1X.) 
hee, i 
saya om minus, Nordst. forma? The following is 
." SS midle’s note :—“ Dimensions, 48 : 46 »; the granules 
ca: ee the upper corners are considerably rounded ; two 
I sin the semi-cell; the vertical view is not inflated.” (Plate IT.) 
Hab. : : 
ee ne ipewich, W. J. Byram. Perhaps also our form may be 
Phte VI, fig. 25. obrcomei, var. elegans, West, Algw of Madagascar, p. 62, 
Th 
a therefore, generally a somewhat more semi-circular shape 
oa ns,110:78 ». The cell membrane is yellow; the pittings of 
Saaeibly. _ el exmeanees Nordstedt (wb. .) marks i 
y pleuroteniopsis, and De Toni in his Sylloge Algarum I., 
aa Herston road, Brisbane, W. J. Byram. 
he following is Dr. Nordstedt’s description :— 
et intrors P angusto sublineari extrorsum 
rorsum ampliato profunde constrictum ; semicellule tres partes 
interd aullulo truncate) membrana 
20 et oblique transversas 
granulis ‘ ) n ipso apice saep 
granulis nullis; a latere circulares ; a vertice late elliptice membrana 
ranulata. Nuclei amylacei? (Tantum 
cellule j 
inanes colore luteo-fuscescente a me VIS® sunt.) 
DOCIDIUM, Bréb. 
= baculum, Bréb. : 
Rockin : Johnstone River and waters of Gulf country, Dr. Thos. L. Bancroft ; 
gham Bay, J. Dallachy. k 
times » dium of medium size, 13-14 
‘onger than the diameter ; semi-cells scarcely attenuated, deeply 
: -439 ted and smooth. L of cell, 
| apex, 90 #; breadth, 32-33 »; breadth of isthmus, 17 p ; breadth of 
eee ‘isa p. (Plate XVI.) 
“% -: Rockingham Bay, J. Dallachy. 
34, Plat Ty D. undulatum, Bail., D. edem 
Clearly diff + fig. 7, andD. burmense, Josh., from which, how 
ends, ers in the deep, uniform undulation 28 well as in 
atum, Turn., Algae of East India, p. 
ever, this new species 
the straight, smooth 
