CAT. CHAETOPODA BRIT. MUS.I 

 ProsC. 



N.Q 



Plate I. 



Fig. 4. x2. 



-Prost. 



Fig. 2. x3. 



Fig.3. *1 1 /a. 



A.K. Maxwell del. 



Arenicola manna, (Linnaeus) 

 Ligh-andda,rk- coloured examples. 



E Wason,Cambridge 



