NECTURUS MACULATUS. 
TaBLe C, 
Comparison of nomenclature of important parts of the skull. 
429 
HYRTL, 1865. 
(Cryptobranchus) 
HUXLEY, 1874. 
WIEDERSHEIM, 1877. 
ossa frontalial 
ossa parietalia 
os sphenoideum 
basilare 
ossaintermaxillaria 
os maxillare supe- 
rius (?)” 
os pterygoideum 
[Here without 
the palatine. ] 
ossa mastoidea 
ossa petrosa 
Os occipitis 
partes laterales 
os tympanicum 
operculum 
maxilla inferior { 
lingulae cartilagin- 
eae 
cartilago ethmoidea 
saccus yestibuli 
parva lamina car- 
tilaginea _ ossis 
occipitis 
os occipitis — pars 
basilaris 
frontal (bones)! 
parietal (bones) 
parasphenoid 
premaxillae 
vomers 
palato-pterygoid 
squamosals 
pro-otic (ossifica- 
tions) 
epi-otics including 
opisthotics 
exoccipitals 
quadrate (ossifica- 
tion) 
stapes 
dentary 
splenial 
trabeculae 
internasal fusion 
of trabeculae 
antorbital 
esses 
proc- 
auditory capsules 
frontalia 
parietalia 
parasphenoid 
premaxillaria 
vomer! 
pterygo-palatinum 
tympanicum sive 
squamosum 
pro-otische Ver- ) 
knocherung s. 
regio pro-otica 
regio epi-otica 
regio opistho- 
tica 
regio occipi- 
talis latera- 
lis 
kleine, am Ende 
des Quadrat-knor- 
pels auftretende 
Verknécherung 
operculum mit 
columella 
dentale 
angulare 
operculare 
Trabekel; Schadel- 
balken 
unpaare Platte 
vorderste Ausliau- 
fer der Trabekel 
Antorbital-fortsatz 
Labyrinth-kapsel; 
pars cartilaginea 
supra-occipitale 
Knorpel-platte 
basi-occipitale 
Knorpel-platte 
areqdi990-oso.ajod 
an ossified bridge 
of cartilage 
arch 
W. K. PARKER, 1877. GAUPP, 1895. | WILDER, 1903. Abbrevi- 
(Proteus) | (also frog, 1896.) | ations. 
sl 
frontals frontal |F 
parietals | parietal pe 
parasphenoid | parabasale parabasal | PB 
premaxillaries | premaxillary PMX 
vomers | vomer Vv 
| 
pterygo-palatines | | palato-ptery- PEE 
| | goid 
| 
squamosals | paraquadra- paraquadrate | PQ 
tum? | 
tympanicum | 
pro-otic pro-otic PO 
epi-otic including | opisthotic 00 
opisthotic 
feebly developed exoccipital EXO 
occipital floor 
suspensorium, Os- quadrate Q 
sified part 
stapes | operculum O 
| 
dentary dentale DENT 
articulare | angulare ANG 
spleniale SPL 
trabeculae trabeculae tr 
internasal cartilage | internasal plate | in 
trabecular cornua rostral proc-|r 
esses 
ethmo-palatine ele- antorbital proc- |-ao 
ment, or antorbi- ess 
tal element 
ear capsules otic capsule ot 
super-occipital supra-occipital | so 
band arch 
basi-oceipital bo 
1 The form given here is taken direct from the text of the author cited, and may be in one case the plural and in another 
the singular form, or may be used as an adjective. 
These differences are of course without significance. 
2 Gaupp, in suggesting the term “paraquadratum ” leaves open a possible, or even probable, homology with the tympani- 
cum of mammals, and in the frog has so named the corresponding bone. 
