146 



SIXTH REPORT — 1836, 



Ireland Smelted in Flintshire 



Ireland . . 



Isle of Man Smelted in Flintshire . . 



Scotland Scotch Mine Company 



Wanloch Head Mines. . 



600 

 700 



Tons. 



1200* 

 850 



1300 



The numbers on which Mr. Taylor has no certain information are marked *. 



Observations on the Periodicity/ of Births, showing the total Number 

 born in each Month ; the Number of Premature Children ; the Sex, 

 SfC. 8fC. ; the Number of Stillborn Children, and Children Dying -, 

 also with regard to the Death of the Mothers, and the most important 

 Complications met with in Delivery, deduced from the Experience of 

 16,654 Cases. By Robert Collins, M.D., late Master of the 

 Dublin Lying-in Hospital. 



This communication was supplementary to a former series of tables 

 and deductionsf, derived from the same accurate registry kept by Dr. 

 Collins in the Lying-in Hospital, DubHn, for a period of seven years, 

 commencing November, 1826, during which 16,654 births took place! 

 These are classed with reference to several important points in the fol- 

 lowing table, (37 being omitted, because the sex was not noted). ITie 

 following are extracts. 



t A short abstract is given in Vol. iv. Reports of the Association, under the head of 

 " Transactions of the Sections," p. 106. 



