64. Eyes in the neck 



Dicranophorus Nitzsch 

 (Distemma Ehrenberg) 

 Eyes near the front margin 

 Cephalodella Bory 

 (Diglena Ehrenberg) 



GENERAL REFERENCES 



Anon. May, 1902. Key to the Rotifera. Amer. Monthly Micros. Jour. 

 Vol. 23. 



Harring, H. R. 1913. Synopsis of the Rotatoria. Bull. 81, U. S. Nat. 

 Museum. 



Hudson, C. T. and Gosse, P. H. 1889. The Rotifera or Wheel Animalcules. 

 2 vols. London. 



Jennings, H. S. 1899. Rotatoria of the United States etc. Bull. U. S. Fish 

 Comm. Vol. 19. 



Jennings, H. S. 1901. Synopses of North American Invertebrates XVII. 

 Amer. Nat. 35. 



Needham, J. G. and Needham, P. R. 1930. A Guide to the Study of Fresh- 

 water Biology. Comstock Publishing Co. Ithaca. 



Stokes, A. C. 1918. Aquatic Microscopy for Beginners. Fourth ed. John 

 Wiley fe? Sons. 



The names used as first choice in the Rotifer Key are those given in 

 Harring's "Synopsis of the Rotatoria". 



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