6b LOCOMOTION OF POLYCLADS 



BIBLIOGRAPHY 



Child, C. M. 1904 Studies on regulation. IV. Some experimental modifica- 

 tions of form-regulation in Leptoplana. Jour. Exp. Zool., vol. 1, 

 pp. 95-133. 



Crozier, W. J. 1918 On the method of progression in polyclads. Proc. Nat. 

 Acad. Sci., vol. 4, pp. 379-381. 



Heath, H., and McGregor, E. A. 1912 New polyclads from Monterey Bay, 

 California. Proc. Acad. Nat. Sci. Phila., Sept., 1912, pp. 455-488. 



Lang, A. 1884 Die Polycladen (Seeplanarien) des Golfes von Neapel. Leipzig. 



Olmsted, J. M. D. 1917 Notes on the locomotion of certain Bermudian mol- 

 lusks. Jour. Exp. Zool., vol. 24, pp. 223-236. 



Stringer, C. E. 1917 The means of locomotion in planarians. Proc. Nat. 

 Acad. Sci., Dec, 1917, pp. 691-692. 



Winterstein, H. 1913 Handbuch dervergleichenden Physiologic, Bd. 4. Jena. 



