52 



(4) The object of autotomy in the lobster is escape, whereas 

 in crabs arrest of haemorrhage must be regarded as the end. 



(5) A new description of the mechanism and nature of auto- 

 tomy in Macrura and Brachyura is given. 



AUTHORS QUOTED. 



* Fredericq, L. " Nouvelles recherches sur I'autotomie chez le crabe." 

 Arch, de Biol, t. xii., 1892. 



fPAUL, J. H. (a) "Regeneration of the legs of decapod Crustacea." 

 Proc. Boy. Soc. Edin., vol. xxxv., Dec, 1914. 



(6) "A comparative study of the reflexes of autotomy in decapod Crus- 

 tacea." Ibid., June, 1915. 



:t Heerick, F. H. "The American Lobster," Bull. U.S. Fish Com- 

 mission, 1895. 



§ Reed, M. A. " Regeneration of the first leg of the crayfish." Ardi. 

 f. entiv., t. xviii., 1901. 



