1887] Variation of the Human Shoulder-Blade. 631 
The scapule from Kentucky have a decidedly higher index 
than the Caucasians, and this is evidently not due to individual 
peculiarities, for though three specimens with remarkably high 
indices have their effect on the average, yet the scapular index 
is only once, and the infra- -spinous never, as low as the Cau- 
casian mean. 
Broca gives some of his extreme figures, which are very inter- 
esting. The bone with the lowest indices belonged to a Turk 
from Smyrna; the next lowest scapular index was furnished by a 
Frenchwoman, and the next lowest infra-spinous by an Arab. 
The highest indices belonged to an African negro, by name 
Tom Blaise, and the next to a black from Hindoostan. 
Flower and Garson, unfortunately, make no mention of their 
extreme cases. For more convenient comparison I put my ex- 
tremes below Broca’s in the following tables : 
TABLE III: 
MINIMA. 
Scap. Infra-spin. 
: Index Index, 
Broca. Turk from Smyrna 57.47 75-19 
Broca. Frencł 6O27 -ira 
POG. ARAN E RE EET A E E RA SA 78.57 
Dwight. Caucasian (Fig. 4) 55.1 72.8 
Dwight. Negro (Fig. 10).....s..se.. 58.8 42.3 
MAXIMA, 
Scap Infra-spin 
Index Index, | 
Broca. Tom Blaise 76.64 111.95 
Broca. Black from Hindoostan 76.61 104.39 ` 
Dwight. Kentucky Mound-builder (Fig. 5 82.2 107.3 
_ Dwight. - Kentucky Mound-builder........ 77.1 106.9 
Dwight. Highest scapular index among Caucasians...........0 76.3 98.2 
Dwight. ee infra-spinous index among Ciiciian: 71.8 102.0 
“Broca thought it likely (assez probable) that his limits would 
be but rarely passed. Table II. shows, however, that I have 
measured no less than twenty-two bones with a scapular index 
below sixty, and that five of them were below fifty-seven. The 
two given in Table III. are, however, the only ones in which 
the infra-spinous index falls below seventy-five. Turning to the 
maxima, I have no equal to Tom Blaise in both indices, which is . 
_ due to the great obliquity of the spine of his scapula, an ape- 
o T feature which the mound-builders cannot ages One a 
Ey 
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