246 Cincinnati Society of Natural History. 
above table, the frontal suture is persistent throughout, being the 
only instance of its occurrence noted in an examination of 141 adult 
crania from this cemetery. 
In this connection, the following table relative to the frequen of 
persistent frontal suture in various races is of interest; it is taken 
from Peschel, “ Races of Man,’’ N.Y., 1876. 
SKULLS Proportion of 
ISSR EWS With Without ae es 
An Open Frontal Suture. Skulls. 
Germans oteballen dee Bier ea chile ccd: 70 497 dicey it 
Inhabitants of St. Petersburg.... .. 70 1023 1:14.6 
Other Caucasians *..' 258 we). es. OS. 14 129 1292 
IEGMO OI vhs ee eh Cree ot). te: Het 7 96 1213.7 
JU Ee) I A AP eet: eked ae a ee ee ates 5 87 171i 
INGeTroes! ese ait ts: ER eae em baie 1 52 1 352 
Americans) Mintek meat ivan de by. il 53 1:53 
The skull from Madisonville in which this suture is persistent, ap- 
pears to be that of an individual of from 45 to 50 years of age, and 
presents various other abnormities, as follows: A so-called “inca” 
(wormian) bone, situated at the apex of the lambdoid suture; an- 
other wormian bone at each end of this suture, and several smaller 
ones scattered throughout its continuity ; six small wormian bones 
in the left squamo-parietal suture, and one in the same suture 
on the right side; on the right side one, and on the left two, su- 
pernumary bones intervene between the tip of the great wing of the 
sphenoid and the anterior inferior angle of the parietal. 
The incisive suture is partially persistent in 18 out of 62 crania ex- 
amined in that connection. 
The so-called “inca bone,” which is merely a triangular wormian 
bone replacing the apex of the occipital, is present in 14 of the 88 
crania examined in this respect. In two of these it attains a very 
large size, replacing almost the entire upper half of the occipital. This 
is the case in No. 79, where the “inca bone’? measures 88 mm at the 
base, and 46 mm, from centre of base to apex, the outline of its lower 
border being somewhat crescentic. An additional wormian bone, of 
small size, is placed between it and the parietal on the left of the 
median line. {n the same 88 crania other wormian bones are fre- 
quent, being distributed amongst the various sutures, as follows: In 
the lamdoidal suture in 26 instances, the number of bones in each 
case varying from one to four or five ; in the occipito-temporal, 5 in- 
stances ; squamo-parietal 1; fronto-parietal, 1; spheno-parietal, 4; 
spheno-temporal, 1; spheno-malar, 1. 
