Jan., 1904.] Comparative Chart of Vertebrate Skull. 
55 
Ohio Naturalist. P/ate IV. 
Pfety^o.ci C 
F,sK 
5 
A m ph 1 b; » n 
F U 
Rej>t 1 U 
LOTA 
B -rd 
DPC 
HP 
AliSpKenotoi c 
5 
PU 
LA 
UPC 
HR c 
Basi sphenoid q 
S 
LTAO 
DPC 
HR -« 
■PraapKenoid c 
*0 
1 
-C 
Q_ 
<0 
LO 
DPC 
HR ] 
O^bitosphcnoid q 
s 
HFC 
D_ 
HR 
Meseth mot ci ^ 
s 
L0/\ 
DPC 
6-thmoi d 
H R M 
£Ho«ihmo.c( 
s 
DPC 
Para.Sphenoid 
s 
T'U 
LO 
DPC 
R o st r u m 
DPC 
Ba&i te mporal 
Tu.k.nal 
LOTA 
DPC 
hrm 
Pront-ul 
s 
U Fronto- 
LOTA 
DPC 
HR M 
Parietal 
s 
pATietai in 
U F 
LOTA 
DPC 
HRM 
Prefrontal ^ 
U 
LOA Pre^ronfo- 
Nasc.1 ^ 
s 
FU 
naSQ 1 . n 
LOA T 
DPC 
HRM 
s 
FU 
LOTA 
DPC 
HR 
Pre maxilla ^ 
s 
FU 
LOTA 
DPC 
HR 
Palatine. 
s 
FU 
lota 
DPC 
HRM 
Vomer 
s 
FU 
LOTA 
DPC 
HR M 
Seipra-angular „ 
LTA 
DPC 
e 
r F 
1 I 
P 
CoYO n 0 1 d 
LOTA 
DPC 
Splenial 
FU 
LOTA 
DPC ^ 
s 
FU i 
LOTA 
DPC - 
Angular ^ 
s 
FU , 
LOTA 
T5 
DPC 1 
Articalor ^ 
s 
FU 
LOTA 
DPC 
HRM Malleus 
HRM Incus 
Meellei's cartilage ^ 
s 
T 
aeialrate 
s 
FU 
LOTA 
DPC 
H^omandi Lular ^ 
s 
F Columella 
LOTA 
DPC 
HRM S+apes 
:MK.-vn on the “ Vertebrate Skull.” 
