MICROCORYCIA RADIATA. 27 
2. Microcorycia radiata (Brown) Hopkinson. 
(Plate LX, figs. 1-4.) 
Corycia radiata 
Brown in Scot. Natur. 1912, p. 109, pl. v, ff. 1-4. 
Test small, sac-like, composed of a transparent and 
colourless chitinoid pellicle, bordered by a very thin, 
flexible, transparent membrane; the crown of the test 
furnished at the margin with two concentric, circular 
ridges and also seven or eight radial ones; plasma not. 
completely filling the test, greyish, granular; nucleus 
single, containing a central nucleole; contractile 
vacuoles one or more; pseudopodia not observed. 
Diameter 25-30 p. 
Habitat.—Mosses. 
Encianp. — Westmorland, Lancashire, Yorkshire, 
Derbyshire, and Surrey (Brown). 
Scornanp.—Bass Rock, Isle of May, and Wigtonshire 
(Brown). 
The above description and figures are taken from 
those of J. M. Brown. Penard reports the occurrence 
of this species near Geneva (private letter). 
* 
Genus 15c. PARMULINA Penard, 1902. 
Parmulina Penarp Faune Rhiz. Léman (1902), pp. 206- 
207; and (amended) in Arch. Protist. XVII (1909), p. 
286. 
Animal amoeba-like but invested with an ovoid test 
of chitinous membrane covered with foreign particles ; 
aperture uncovered but capable of being closed; 
plasma similar to that of an Am«ba, containing a 
single nucleus and one or more contractile vesicles. 
This genus is very closely allied to Diplochlamys and 
somewhat similar to Mierocoryciu. As first described 
by Penard in 1902, the test of P. eyathws was defined 
as hemispherical, but in 1909 the description was 
