Jan., 1921 
The Queensland Naturalist. 
113 
Genus Lesquerusia. — JSomewhat similar to Difflugia in many 
features, but the shell is coiled. 
1. L. spiralis^ Ehr., test composed of little wormdike pellets. 
2. L. modesia, Rhumb. (20 J, test composed of sand grains. 
Nebela caudataj Leidy (8j, test compressed; mouth 
termiiml; fundus usually provided with 1-4 spines. 
ORDER EILOSA. 
GenuvS Euylijpha. — Test composed of scales ; mouth toothed. 
1. E. acanthophora, Ehr. (19), alveolar in outline. 
2. E. titberculaia, l)uj. (16), similar to E. acanthopliora^ 
but the fundus is ornamented with a small number of 
scale spines. 
3. E. compressa, Cart. (17), large, compressed with the 
margins of the test usually spined. 
4. E. crisiata, Ldy. (18), test tubular; fundus provided 
with a cluster of scale spines. 
Assulina muscoriim, Gf. (15), test composed of scales, 
compressed and chocolate tinted. IMargin of mouth 
irregular. 
Trinema enchelys, Ldy. (21), test hyaline and oval in 
outline. Mouth similar in situation as in /). constricta 
and C. aculeata. 
Pareuglypha reticulata, Pen. (7), test small and resem- 
bling Euglypha; fundus terminating in a conical 
process or spine. 
Campasciis triqueter^ Pen., test retort-shaped, brownish 
in colour ; granular. 
EXPLANATION OF PLATE. 
1. Arcella vulgaris, Ehr., side ciew. 
2. A. mitrata, Ldy., side view. 
3. A. artocrea, Ldy., side view. 
4. A. discoides, Elir., side view. 
5. Centropyxis acnlcata, Stu., month view. 
0. Campascus triqueter, Pen., side view. 
7. Pareuglypha reticulata, Pen., side view. 
8. Nehela caudata, Ldy., side view’. 
9. Difflugia constricta, Leidy, mouth view. 
10. D. (uaiminata, Ehr., side vicAv. 
11. Z>. lobostoma, Ldy., side view, 
lit/. D. lobostoma, Ldy., mmuli view. 
12. D. oblonga, Ehr., side vieAv. 
13. D. cornuta, Ldy., side view. 
14. D. corona. Wallich, side view. 
15. Assulina mu.scorum, Graff, side view. 
16. Euglypha acauiliophora, Ehr., si«le view. 
17. E. compressa. Carter, side view. 
18. E. cristota, Ldy., side view’. 
19. E. tuberculaia, Duj., side view. 
20. Lesqiierii.Kia Rnmb., side view. 
21. Trinema enchelys, Ldy., side vieAv. 
