530 DAVID BRYCE OX TWO NEW SPECIES OF PIIILODINA. 



probably frequently escapes detection for that reason, and because 

 of its timid and sluggish nature. In some specimens the skin is 

 slightly viscid. 



Explanation of Plate 27. 



Fig. 1. Philodina Tiemoralis, n. sip., dors?d view, feeding, x 480. 



„ la. „ „ foot more extended. x 480. 



,, 2. Philodina rugosa, n. sp., dorsal view, feeding, x 480. 



„ 3. P. rugosa, n. sp., variety coriacea, dorsal view, feeding. 



X 480. 



,, 3a. „ ,, „ foot extended. 



„ 4. P. roseola, lower part of foot (under compression), x 800. 



Joura. Quekett Microscopical Clv.h, Ser. 2, I'ol. VIIL, No. 53, November 1903. 



