2G2 JAMES MURRAY ON CALLID1NA VESICVLARIS. 



Habitat. — Among moss growing on a wall at Upper Sheringham, 

 Norfolk, August, 1904 (D. Bryce). 



Explanation of Plate 18. 



Fig. 1 . ( 'allidina vesicular is, n.sp. Dorsal view of animal, feeding. 



„ 2. The same, ventral, creeping. 



3. ,, „ jaw with five teeth. 



4. ,, ,, lateral view of foot, to show processes. 



5. ,, ,, spurs. 



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>? 



)> 



i. Qudnt Mirrosropinil Club, Scr. 2, Vol. IX., No. 5S, April 1 '06. 



