INSECURITY OF EARLY LIFE. 169 



danger of suffering from external agents, - 

 the more retentive it would be of life, according 

 to the analogy of seeds. 



PISCATOK. According to another analogy and 

 more akin, viz., that of young animals, es- 

 pecially of our own kind, the hold of life is 

 least secure the earlier the age, the most dis- 

 tant from the complete and complex structural 

 development. To say nothing of abortions, 

 how dreadful is the loss of life amongst infants 

 when not tenderly cared for ; and even with all 

 possible care how much greater is the risk of a 

 fatal termination of the same disease in the in- 

 stance of the child than of the adult. But what 

 I stated was not founded on analogy, never to 

 be trusted except as a guide to inquiry, it is 

 founded on carefully made experiments, and 

 those of two kinds; one in which ova, after 

 impregnation, were exposed in water to a tem- 

 perature certain degrees above the natural 

 hatching temperature of the breeding beds: 

 another, in which they were sent packed in 

 moist wool to considerable distances, not less 

 than 500 miles, or including their return not 

 less than 1000, and on one occasion double that 

 distance. The results of both accorded; the 



