Íxanrs.—On the Diatomaceous Deposits of New Zealand. 845 
Cymbella ? s XXIX., fig. 4; a, side view; b, front view. 
Coscinodiscus 
Homeocladia a 
Synedra gallionii. 
urirella limosa. 
Epithemia argus. 
5 sorex. 
Am zebra. 
Macintosh Bay, Banks Peninsula. 
On the hill-slopes of the bay, a visitor noticed after rain that the water 
trickling from the side of one of the spurs left a white deposit on the grass, 
some of which was gathered and placed in my hands for examination. I 
endeavoured to get the position of the deposit fixed, but hitherto without 
success. I found, however, the following diatoms in the very minute 
gathering which I received :— 
Cymbella vita 
Nitzchia amphiox 
mphonema bent 
ii ulna. 
Surirella minuta. 
Navicula cuspidata 
a sphzophora. 
amphibena 
Achnanthis exilis. 
Whangarei, Auckland. 
pe of this fresh-water deposit have been placed in my hands, but 
I take a list of the species comprising it from the MSS. notes of Professor 
Hutton, made some years ago. Samples have found their way into the 
hands of English diatomists. 
Pinnularia gibba. 
Me nobilis 
Navicula pusilla. 
re westii 
» cuspidata. 
Stauroneis phonicenteron. 
dra radians. 
Cocceoneis = 
inia (Himantiäium) tidens. 
Melosira arenaria. 
Epithemia rupestris. 
» hyndmanii. 
; zebra. 
longicornis. 
