TKACKS AND TRACKING 



worm-like marks of various larvae. Like the 

 toad and the Ipswich sparrow, the dune grass- 

 hopper, and to a less extent the dune tiger 

 beetle have become sandy in appearance — 

 protectively colored. 



Another creature that is protectively col- 

 ored is the sand dune spider— or to speak 

 more correctly, the male sand dune spider, for 

 he alone spreads his tracks in the sand. The 

 female, who lives in a hole, needs no protect- 

 ive coloration. 



The study of iehnology and scatology in 

 these sandy wastes is as absorbing as a de- 

 tective story. 



69 



