426 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 
PELVIS: 
Greatest length . . oj... :5..00 feneemes ap sees ieee’ eens sean ae ann 241 
Depth Of the Crestiassse cee seels eo cee see eee eee aco wes cases eee 74 
FEMUR: 
Length in straight line between articular facets -.............---..----.- 95 
Greatest width inferiorly 2222 <)22.¢ 2.05 cn cS Ue ake oe eee eee 61 
FIBULA: 
Greatest length --.- seteisewalecits seen ae cee nese eee soo ts Uae 240 
TIBIA: 
Greatest length... s 2 2gs .jccccoe codec cnmeecesn\ace ees nan sass ae 240 
FIBULA AND TIBIA: 
Greatest width js...) 5. Lene te ce ee eae sees ee ah 68 
METATARSALS: 
Greatest length of first metatarsal. ....-. 20. ------ cecece cen eee seces once) eee, 
Greatest length of second metatarsal..:.... 0.25.02 s<22 2. 22 22 se ee ee eee 79 
Greatest: length of third metatarsals 22 23 te 32s os one eee ee 63 
Greatest length of fourth metatarsal... 222.0. 2.06.2 .s2 25s sess en eee 69 
Greatest length of fifth metatarsal ......1. 202. 3... 2. s2-c2ces eee 90 
Prs 
Greatest length of first phalange of first digit -...........---- 2. .---.ces- 98 
Greatest length of second phalange of first digit......-.-.......--.---..- 62 
Greatest length of first phalange of second digit -......-...--.-..---.-.-. 72 
Greatest length of second phalange of second digit ...-....---....-----.- 53 
Greatest length of third phalange of second digit..-.....---.....-.-----. 25 
Greatest length of first phalange of third digit ...--.....-.---.- elslsDegee 67 
Greatest length of second phalange of third digit...........--------..--. 49 
Greatest length of third phalange of third digit ..........-...---.--.+---- 19 
Greatest length of first phalange of fourth digit -................--.....- 70 
Greatest length of second phalange of fourth digit.........-...-.--.....- 49 
Greatest length of third phalange of fourth digit. -..---.-.....---.---..--. 26 
Greatest length of first phalange of fifth digit -.--.........------.----.-.- 78 
Greatest length of second phalange of fifth digit.....-......----.--.----- 56 
Greatest length of third phalange of fifth digit ....---.--...-.--.-...-.-. 36 
EXPLANATION OF PLATES. 
PuLate x1.—Skull of Phoca (Histriophoca) fasciata. Side view. Museum No. 13285. 
PLATE xiIl.—Same. View from below. 
PLATE xuI.—Same. View from above. 
PLATE Xiv.—Skeleton of Phoca (Histriophoca) fasciata. Side view. 
ON THE SOURCE OF THE JADEITE IMPLEMENTS OF THE 
ALASKAN INNUITS. 
By E. W. NELSON. 
[Letter to Prof. Spencer F. Baird. ] 
The numerous specimens of jade or jadeite implements obtained by 
myself and others from the Alaskan Innuits have been secured mainly 
between the head of Norton Sound, in Bering Sea, and Point Barrow, 
on the Arctic coast. They are found most abundantly among the peo- 
ple inhabiting the lower courses of the large streams flowing into Kotze- 
bue Sound. Owing to the hostile character of the natives and for other 
reasons I never penetrated this region, but met and interrogated num- 
