50 c, d. soar on an unrecorded hydrachnid. 



Description of Plate 5. 



Fig. 1. Fionacercus pyriformis, n.sp., ($ ventral view x 80. 



„ 2. „ ,, c^ dorsal view (body only) 



X 80. 



j^ 3. J, ,, ^ last joint of fourth pair 



of legs X 170. 



J J 4. ,, „ c^ last two joints of palpus 



X 360. 



J, 5. „ „ ? ventral view x 80. 



Journ. Qv.ekett Microscopical Club, Ser. 2., Vol. VI II., A'o. 48, A^rit 1901. 



