EXPLANATION OF PLATE XXIII. 
Palceopede whiteleggei, Eth. fil. 
1. Trichome (?) of moniliform cells, and heterocysts (?) 5 mm. 
long. 
2. Four heterocysts (?) at the end of a non-segmented tube filled 
with similar black pulverulent matter to themselves. 
1 mm. long, diameter '02. 
3. Five moniliform cells and a heterocyst (?) terminating in a clear 
tube. - 07 mm. long. 
4. Moniliform cells enclosed in a sheath or vagina. - 08 mm. long. 
Palceachlya torquis, Eth. fil. 
5. Tubes filled with yellow granular matter. 01 mm. in diameter. 
[From drawings by Mr. Edgar R. Waite, Australian Museum]. 
