500 LIST OF THE FRESHWATER RHIZOPODA OF N.S.W., 



Difflugia, Leclerc. 



D. globulosa, Dujardin, Ann. Sc. Nat. 1837, VIII. 311, pi. ix. 



figs. 1, a.-b. ; Leidy, F. Rhiz. N. Amer. p. 96, pi. xv. 



figs. 25-31, pi. xvi. figs. 1-24. 

 Frequent on Sphagnum in the Waterloo Swamp, and on 

 Nitella in Parramatta Park. 



D. pyriformis, Perty, Mittheil. Naturf. Gesells. Bern. 1848, 

 168; Leidy, F. Rhiz. N. Amer. p. 98, pi. x. figs. 1-5. 

 The typical form appears to be rare, and I have seen only a 

 few specimens ; other varieties are the most abundant. 



Var. D. comjyressa, Carter, Ann. and Mag. Nat. Hist. 1864, 

 XIII. 3rd series, p. 22, pi. 1, figs. 5-6; Leidy, F. Rhiz. N. 

 Amer. pi. xn. figs. 10-16. 



Frequent in Waterloo Swamps, Shea's Creek, and in Parramatta 

 Park. 



Var. D. cornuta, Leidy, pi. xn. fig. 17. 



Shea's Creek and in an old stone quarry in Moore Park. 



Var. D. vas, Leidy, pi. xn. figs. 2-9. 

 Same localities as the last named. 



D. urceolata, Carter, Ann. & Mag. Nat. Hist. 1864, XIII. 3rd 

 series, p. 27, pi. 1, fig. 7 ; Leidy, p. 106, pi. xiv. figs. 1, 2, 

 5, 7, 10. 

 Shea's Creek and Parramatta. Rare. 



D. corona, Wallich, Ann. and Mag. Nat. Hist. 1864, XIII. 

 3rd series, p. 241, pi. xvi. figs. 19-20; Leidy, F. Rhiz. N. 

 Amer. 117, pi. xvn. figs. 1, 2, 5, 6, 9. 

 Waterloo Swamp, Shea's Creek, and Parramatta. Not common. 



D. acuminata, Ehrenberg, Infus. 1838, 131, Taf. ix. fig. ill. ; 

 Leidy, F. Rhiz. N. Amer. 109, pi. xm. figs. 1, 2, 8, 9, 11. 



Plentiful near Cook's River, Waterloo Swamp, Parramatta 

 Park, and in Duck Creek, Clyde. Forms like figs. 14 and 20, in 

 stone quarry, Moore Park. Rare. 



