VOL. XIX.] 



PHILOSOPHICAL TRANSACTIONS. 



169 



Abstract of the Number of Marriages, Baptisms, and Deaths, at Frankfort on 

 the Maine, in the Year l6g5. Communicated by Dr. Fred. Slare, F. R. S. 

 N" 229, p. 559. 



Months. Marriages. Baptisms. Deaths. 



January 23 79...- 72 



February 17 67 76 



March O 65 62 



April 35 78 58 



May 25 89 77 



June 20 75 ... . 74 



Months. 

 July . . 



Marriages 

 . 21 . 



August 28 



15 



31 



25 



8 



Sum 248 



September 

 October . . 

 November 

 December 



Baptisms. 

 , . 69 ., 



. . 78 . . 



73 • 

 . . 86 . . 



. . 69 . , 



, . 88 ., 

 916 



Deaths. 

 . 56 

 . 63 

 , . 63 

 . 45 

 . 43 

 ■ 57 

 748* 



248 couples were married, and among them 2 couples that lived before 50 years 

 in matrimony. 



Of the baptisms in Frankfort there were- — Citizens' children 534, foreigners 

 234, males 420, females 348. — And among them were, twins 1 1, posthumous 

 11, Jews 2, bastards 13 ; sum of all 768. 



Of the baptisms at Sachfenhousen ivere — Citizens' children 94, foreigners 54, 

 males 8 J, females 64. — And among them were, twins 4, posthumous 1, bas- 

 tards 2; sum of all christened 916. 



Of the deaths ill Frankfort were — Citizens 63, women 39, widows 24, sons 

 153, daughters 123, not christened 7, foreigners 194, out of the hospital 30, 

 out of the alms, orphans, and workhouse 9 ; sum ofall240. 



At Sachfenhousen. — Citizens 8, women 3, widows 3, sons 20, daughters 14, 

 not christened 3, foreigners 55 ; the sum of all deceased 748. 



Abstract of a Letter from Dr. JVallis, of May 4, 1697, concerning the Cycloid 

 being knoivn to Cardinal Ciisani, about the Year 1450 ; and to Charles Bouilli, 

 about the Year 1500. N° 229, p. 561. Abstracted and translated from the 

 Latin. 



Dr. Wallis finds among the mathematical works of Charles Bouilli, or Bovilli, 

 published at several times between the years 1501 and 1510, that the curve now 

 called the cycloid was then considered. And he also finds that Bouilli was not 

 the first who considered it : for that Cardinal Cusani had considered the same 

 curve some time before ; as appears by an old manuscript of his works, tran- 

 scribed by J. Scoblant in the year 1451. The figure of the curve, indeed, 

 through the unskiifulness of the transcriber, both in the manuscript and the 



* There is some mistake in this column : in what follow* the number is 76S. 

 VOL. IV. Z 



