150 BIOLOGY OF THE RICHMOND RIVER, 



Plate vii. 

 Fig.l. — Trorhi.sid hirta var. dliptica, ii.var.( x330). 

 Fi(^.2. minute immature forms of growth, (a) 



smooth, (h) denticulate (x330). 



Fig. 3. verrucosa, n.sp. (x330). 



Fig. 4. — ('hi/fiidiuin (jicutnium. Nowakowski, in carapace of a roti- 

 fer (x330). 

 Fig. 5. — Olpidiidn ampho rid linn, n.sp., discharging (a) microzoo- 



spores, (h) a mass of spores (x660). 

 Fig. 6. — lUiizidium mycophUum. A.Braun, {a, h) immature forms, 



((■) mature, (c) extrusion of a mass of zoospores, (c/) zoo- 

 spores wriggling free (x330). 

 Fig. 7. — Bhtz'idiurti spirugyrw, n.sp., (a) incipient forms, {h, c, d, e) 



discharged cells (all x330); (/, (j, h) other forms (x660). 

 Fig. 8. — Spirillum volutans var. maximum, n.var. (x660). 



discharged cells (all x330); {f,g,h) other forms (x660). 



Fig.9. tenue Elir. (xlOOO). 



Fig. 10. laxissimum, n.sp., («) small form, (h) larger 



(xlOOO). 

 Fig. 11. — [O.'iciUatoria'] amphibia var. maxima^ n.var. (sporiferous 



Spirillum filament) (x330). 

 Fig. 12. var. aspcra, n.var. (sporiferous Spirillum 



filament), (h) part with spore capsules, part without 



(x500). 

 Fig. 13. — Bacillus suhfilis Ehr., (a, h) in filament form, (c) free 



cells with flagella (x660). 

 Fig. 14. — Bacterium termo (Ehr.) Duj., (granular form), two zoo- 



gla^a states (x660). 

 Fig. 15. — Operculata elon(jata Kellicott, (6) retracted (x330). 

 Fi^.l6.—Cothurnia paraUcla Maskell, (5) retracted ( x 660). 

 Fig. 17. — Chatonoiua larus var. maxitnus (encysted) (x330). 

 Fig. 18. — ramphayu.s inutahUi.^ (x330). 



Plate viii. 

 Fig.l. — Macrothrix spinusa King, female with winter egg, (e) only 



one pair of antennae figured (xlOO). 

 Fig. 2. var. dentata, n.var., front edge of 



carapace (x660). 

 Fig. 3. — Trachrlomonds rolvocitia var. pcUucida, n.var., (h) with 



short neck (xlOOO). 



Fig. 4. or(dis, n.sp. (x660). 



Fig. 5. — Lcpocinclis Stcinll var. succica Lemm. (x660). 



Fig. 6. ■■ var. ((ustrcdica, n.var. (x660). 



Fig. 7. — Menoidiuin pcllucidum var. Incurvuni (Fresenius) milii. 



(a) from above (xl300). 



