ASEXUAL REPRODUCTION. 1 99 



SUMMARY. 



1. Artificial division may be readily utilised as a means of multiplica- 

 tion in plants and in lower animals. 



2. Regeneration of lost parts is very common both in plants and 

 animals. 



3. Asexual reproduction from continuous budding to discontinuous 

 multiplication has many degrees, leading on to the sexual process. 



4. It occurs throughout the series from Protozoa to Tunicata. 



LITERATURE. 



General Works cited ; the ordinary Zoological and Botanical Text-books ; 



and, 

 Lang, A. — Der Einfluss des Festsitzen auf den Thieren, und der Ursprung 



der ungeschlechtlichen Fortpflanzung. Jena, 1886. 

 Spencer. — Principles of Biology, London, 1866. 

 H/ECKEL. — Generelle Morphologic. Berlin, 1866. 

 Freuericq. — La Lutte pour I'Existence chez les Animaux INIarins. Paris, 



1889. (For " Regeneration of Parts," &c. ) 



