62 Trmisactions. — Zoology. 



Order Flagellata-Eustomata. 



Genus Phialonema, 



Phialonema cyclostomum, Stein. Wellington. 



Genus Astasia. 



Astasia tricophora, Ehrenberg. Wellington, Wainui, Hutt 

 Valley. 



Genus Euglena. 



Euglena viridis, Ehrenberg. Wellington, Wainui, Munga- 

 roa, Hutt Valley. 



Euglena spirogyra, Ehrenberg. Wellington, Wainui. 



Euglena acus, Ehrenberg. Wellington. 



Genus Amblyophis. 



Amblyophis viridis, Ehrenberg. Wainui. 



Genus Phacus. 



Phacus triqueter, Ehrenberg. Wainui, Hutt Valley. 



Genus Trachelomonas. 



TracJielomonas colvocina, Ehrenberg. Wellmgton. 



Trachelomonas armata, Ehrenberg. Wellington, Wainui, 

 Hutt Valley. 



Trachelomonas crenulatocollis, sp. nov. Plate IH., fig. 3. 



Lorica elliptical, covered with sharp conical spines, which 

 at the edge form a continuous border of points ; anterior 

 aperture large, and produced in a short tubular fluted neck 

 slightly widening to the end, and terminated by a crenulated 

 edge. Animalcule green ; lorica dark yellow with red edge. 

 Flagellum single. 



Wainui, Pukerua, Hutt Valley, W. M. Maskell. 



An elegant little species, distinguished from T. hispida 

 by the fluted tubular neck ; from T. eurystoma by the rough 

 lorica ; and from T. armata by the absence of caudal spines. 



Genus Uvella, 



Uvella virescens, Ehrenberg. Wainui, Karori. 



Genus Dinobryon. 



Dinohryon sertulatia, Ehrenberg. Wellington. 



Genus Sterromonas. 



Sterromonas formicina, Kent. Wellington, Wainui. 



Order. Cilio-Flagellata. 

 Genus Peridinium. 

 Peridinium tabulatum, Ehrenberg. Wamui, Mungaroa, 

 Karori. 



