PARENTAL CARE AMONG ANIMALS 



silken cocoon which she bears about with her 

 until the spiderlings hatch. We see a beginning when 

 the eggs are kept inside the body until they hatch 

 into young ones or until favourable circumstances 

 arise. Thus the mother freshwater mussel keeps 

 her young ones in her gill-cradle until a minnow or 

 some other fish comes conveniently into the vicinity. 

 We see a beginning in the way many an animal 



Female Spider Dolomedes mirabilis carrying underneath her 

 body, attached by silk threads, the silken cocoon containing 

 the eggs and eventually the young spiders. (After Black- 

 wall.) 



mother allows her young ones to clamber about 

 her body, holding on to her and being protected 

 by her. 



In some cases, both of high and low degree, the 

 parental care is exhibited by the fathers. We find 

 this among interesting animals known as sea- 



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