62 Cincinnati Society of Natural History. 



No. 3. Rectangle shown in Plate 29, p. 82. It is 550 feet 

 long, by 630 feet broad. 550 is 10 times 5280 divided by 96. 

 The difference between 630 and 550 is 80 feet, or 960 inches, in 

 the digits of which number we have the divisor of 5280 to give the 

 number 550. 



No. 4. Plate 28, p. 78. The work is an oval no feet long, 

 by 60 broad (the plans say 70, letter press 60). On the same plate 

 is shown a mound no feet in diameter at its base. 



No. 5. Plate 23, p. 62,. This is a group of 7 circles. Three 

 have a diameter, each, of 130 feet, one of 200 feet, one of 210 

 feet, and two of no feet, each. 



No. 6. Plate 36, p. 98. The work is called in the text "The 

 Greek Cross," and is given "Figure 5" because of a remarkable 



combination of the numbers 42, 24 and 12, and because the forego- 

 ing will almost justify the statement that a connection is intended 

 to be shown with the number 1320 feet. The length of the Cross is 

 90 feet, or 1080 inches. The width of the end of the arm is 24 feet, 

 while the diagonal of the body, is 42 feet, one-fourth of which 

 is 10.5 feet. The circle in the center is 10 feet or 120 inches in 

 diameter. But what is peculiar in this connection is, that if 42 be 

 taken as the diameter of a circle, then the addition of less than 

 , ^g of a foot, will give a circumference of 132 feet for the circle, 

 which is the tenth part of one cpiarter of a mile. Of course spec- 

 ulation is not allowable in a research of this kind, which is simply 

 to tabulate measures given; yet from the lesson of these three 

 groups of measures, it becomes easy to imagine that this number 

 42, was intended to suggest connected relations of the three groups 

 in one figure. This work is 3 feet, or 36 inches high. 



With very few exceptions these three groups of measures are 

 involved rn some way, in all the surveyed works of the ancient 

 "Sacred Enclosures," given by Messrs. Squier and Davis. The 



