JOURNAL OF MICROSCOPICAL SCIENCE. 
DESCRIPTION OF PLATE VII, 
Illustrating Mr. Archer’s papers on Docidium pristide, Hob- 
son; on a new species of Docidium, from Hong-Kong ; 
on Stephanosphera; and Admiral Jones’ on spiral vessels 
detected in Evernia prunastri. 
Fig. 
Teer lacense gracile, Bailey (= Docidium pristide, Hobson). 
2.—Docidium Kayei, Arch. (sp. nov.) 
3.—Stephanosphera pluvialis, Cohn, showing the primordial cells assuming 
an ameeboid state; one, to the left, about to make its exit from the 
old envelope-cell. 
4, 5, 6.—Various appearances of the now reptant and freely moving pri- 
mordial cells of the Stephanosphera, having become- completely 
ameeboid. 4 
7, 8, 9, & 10.—Spiral vessels detected by Admiral Jones, F.L.S., enclosed 
in certain dark dots in the thallus of Hvernia prunastri, Ach. 
