Inglis. — On the Diatomaceous Deposits of New Zealand. 343 



Triceratinm trifoliatum. 

 Nitzohia spectabilis. 



„ amphioxys. 

 Navicula cariinalis. 



„ major. 



„ viridis. 



„ commutata. 



,, divergens. 



„ herniptera. 



,, placentula. 



„ firma var. anipkigornpkus. 



,, ,, var. subampliata. 



,, bacillum var. 



,, elliptrica. 

 Gomphonema constrictum. 



,, clavatum. 



Stauroneis (Pleurostauron) fulnien. 



„ ,, frauenfeldii. 



,, ,, javauicum. 



,, ,, acutum. 



„ phcenicenteron. 



Melosira orichalcea. 

 Cymbella scotica. 

 Pinnularia punctulata. 



Wainui, Akaroa Harbour. 

 This freshwater deposit is extensive and so pure as to render it suitable 

 as an article of commerce. The following species have been already 



found : — 



Epitheniia ventricosa. 

 ,, rnusculus. 



,, proboscidea. 



,, longicomis. 



Synedra ulna. 

 Odontidium mutabile. 



„ ,, var. 



,, tabellaria. 



Pinnularia nobilis. 

 Cymbella affinis. 

 Melosira punctata. 

 Eunotia arcus. 



Dunedin. — Green Island. 

 This is a freshwater deposit taken from a railway cutting near Green 

 Island, and is chiefly composed of — 



Eucyonema casspitosum. 



Oust Valley, North Canterbury. 

 I discovered a small pocket of this sub-peat deposit, about five years 

 ago,, which consisted chiefly of the doubtful genus Amphicampa, and was 



