;6 



Life and Love. 



certain cells, which, though they may be powerless 

 in themselves, by union with the cells given off by 

 the opposite sex, have power to produce offspring 

 like the parents. 



But even in creatures which have achieved con- 

 siderable complexity of structure, and which repro- 

 duce normally by the production of egg and sperm 

 cells there is sometimes a form of reproduction 

 which recalls the simple method of the amoeba. A 

 certain ringed marine worm, for instance, merely 

 sprouts, as it were, from the side or the end, and 



there is formed 

 '■■'^^yfi sometimes quite 

 an intricate net- 

 work of those 

 strange crea- 

 tures. 



Another sea- 

 worm, again, when a certain length has been 

 reached, develops a head at one joint and a 

 tail at the preceding one, and when this devel- 

 opment is completed the creature is composed 

 of two perfect worms which fall apart. Sometimes 



several of these new 

 worms are formed 



TVfi 





^^^*%£a^-w j^gf^^g separation 

 takes place, the re- 

 sult being a chain of forming worms. 



In the upper registers of the scale of life this 

 budding of the parent into offspring which do not 



