Osteological Symmetry of the Camel. 543 
in the Bactrian Camel. 
adth) of the Cranium. 
u Dim | Dimen- 
j pyon MN Diff penes sions in | +... | 
Actual Measurements. Dimen- | Proport. Actual Measurements. Dimen- | Proport. Dif. 
sions, | Parts. sions. | Parts. 
Basilar Breadth. Breadth of the Basilar Maxille. 
Smallest distance between the lateral surfaces of 
the corono-maxillary bones; immediately ros- Greatest distance between the lateral surfaces of 
trad from the great canine teeth . 2:951 9:25 9 the sockets of the large basilar canine teeth . 2:50] 2:50 10 
Smallest distance between the lateral surfaces of 
3 ]| the basilar maxille, interveningly to the large 5 
Greatest distance between the lateral surfaces of canine teeth and the (caudal) subsidiary ca- 
the sockets of the large coronal canine teeth. 2:95 | 3:00 | 12 nines . 1°33 | 1:25 5 
Smallest distance between the lateral margins of 7 | Greatest distance between the sockets of the (cau- 2 
the palate at the interval disjoining the rostral dal) subsidiary canine teeth of the basilar max- 
from the lateral teeth . . 1:15] 1:25 5 HM V o. 55 171) 1°75 7 | 
Distance between the lateral surfaces of the -— 16 | Greatest distance betweén. the cnudo-basilar 19 | 
ets of the (corono-) caudal molar teeth . 5:25| 5°25 | 21 margins of the basilar maxille . . 657| 650 | 26 
Distance between the external surfaces of the 14 Distance between the lateral surfaces of the ba- 3 
partitions forming the lateral inclosures of the silar maxille at the coronal terminations of 
nasal passage caudad . . 1°85 | 175 7. the caudal margins ; 5:82| 575 | 23 
Distance between the eaudo-latéral extremities 6 | Distance between the lateral extremities of the 3 
of the pterygoid processes 3:25| 3:25 | 13 condyles of the basilar maxille . . . 658| 650 | 26 
Distance between the lateral surfaces of the co- 3 
ronal extremities of the coronary processes of 
the basilar mmxillé 1-20... 2 5-5 .5. 0901 $75 ]- 88 
Distance between the mesial margins of the ar- 
terial canals on the mesial surfaces of the basi- 19 
lar maxillz and basilad from the sockets of their ^ 
. . caudal) subsidiary canine teeth . . . 1:02| 1-00 4 
Dimensions of Apertures. Dist mas the mesial extremities of the 
processes on the mesial surfaces of the basilar 4 
maxille immediately caudad from the sockets 
Dimensions of the Occipital Foramen. OF the cadal molar teeth 1-97 | 2:00 8 
Greatest distance between 
the lateral and the me- 
Smallest distance internally between the lateral sial surfaces ofthe right " l 
surfaces of the occipital foramen 1'28] 1:25 5 basilar maxillae. Being 
at the pene-caudal mo- Similar dimen- 
lar tooth on the -— sion on the 
Distance in the mesial plane from the internal ] ddp v Nox . 163] leftside. . 165) 1:25] 7. 
surface of the coronal margin of the occipital : 
foramen. To the internal surface of the Ju cag 
site basilar margin . ; 150} 1°50 - Dimensions of the Auditory Canal. 
idth of the aper- Width of the aper- 
E ture of the audi- ture of the audi- | - 
torycanalrostro- ‘(Similar di- tory canal coro- imilar di- 
caudally on the mension on no-basilarly on mension on 
right side, . . . *30| the left side *31| the right side. . -38| the left side *33 
4A 
VOL. XVI. 
