ILLUSTRATIONS. 



Page. 



Pi.A ri-: T. Map of sand areas inclosing Cape Cod Harbor Frontispiece. 



II. Fig. 1. — I'eacli grass forming protective l)each ridge. Fig. 2. — Beach 



grass, showing method of vegetat iv(! propagation 38 



ill. Fig. 1. — Set of beach grass suitable for transplanting. Fig. 2. — 



Transplanting beach grass 38 



IV. Fig. 1. — Sand dune burying forest. Fig. 2. Beach grass plantations. 



General view 38 



V. Fig. 1. — Bay])erry bushes without grass protection. Fig. 2. — Bay- 

 berry bushes with grass protection 38 



VI. Fig. L — Wind erosion of nonprotected sand. Fig. 2. — Protect- 

 ing a road through the dunes 38 



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