THE ST. JOHN'S RIVER, FLORIDA. 

 Length of Femurs. 



Measurements arc given in mm. 



95 



Projection on axis. 



Oblique Position. 



Sex. 





Head. 



449 



G. T. 



427 



Head. 



-14(1 



G.T. 



Great Troch. to Ext 



Condyle. 



Male . 



418 



420 



" 







445 



426 



448 



420 



420 



it 







467 



452 



465 



441 



445 



a 







465 



456 



462 



447 



449 



" 







462 



454 



460 



447 



44S 



Female 







418 



404 



410 



395 



398 



it 







415 



409 



411 



399 



402 



Uncertain 







427 



409 



1! 422 



399 



402 



. u 







419 



404 



415 



395 



397 



Tibice. — On the first visit 7 tibia 1 gave an average index of 63.9. 

 The final investigation vielded the following results: 



Male 



Female . 

 Uncertain 



Total. 



6 

 5 



9 



Average Index. 



69-8 



68- 



69-5 



Mimimum 

 Index. 



64-6 



65-3 

 67-7 



Maxiniuni 

 Index. 



73-9 



71-7 



71-4 



Oscillation 

 Exponent 



2-6 

 ->■•> 



Length of Tibpe. 



From superior articular surface to tip of internal malleolus. 



Measurements are given in mm. 



Male. 

 360 



Female. 



340 

 340 



Uncertain. 



360 



Persimmon Mound, Volusia County. 



About two miles north of the Indian Fields on the right hand side of the river 

 going down is a large lagoon 400 yards distant from the channel (see map). On 

 the bank of this lagoon is a shell deposit covering about 5 acres. This field has 

 been under cultivation. At its eastern end is an eminence not differing in composi- 

 tion from the remainder of the field. On this knoll an excavation 8 by 9 feet was 

 made. Its depth was 7 feet through the shell deposit. One foot below the surface 

 at the northern side of the excavation a layer of white sand 3 inches in thickness 

 at this point sloped to the southern side, increasing in thickness until at 3 feet be- 

 low the surface its diameter was 1 foot. At the southwestern corner it dis- 

 appeared. Upon this sand lay about eight skeletons, though the close pack- 



