PiateE II. 
Fics. 1-4. MUSCLES OF THE FOREARM OF THE ALLIGATOR. 
Fic. 1. 
Fic. 2. 
Fic. 3. 
. Fie. 4. 
FIG. 5. 
Fic. 
(From Bronn.) 
Fics. 5-7. (From Bronn after Rathke.) 
1, humero-radialis longus (supinator longus); 2, humero-radialis medialis 
(flexor carpi radialis); 3, carpo-phalangei I digiti V; 4, carpo-phalangei 
(flexor digitorum communis brevis); 5, humeor-ulno-phalangei (flexor 
digitorum communis profundus); 6, humero-radialis longus; s. flexor carpi 
ulnaris; 7, pisiforme-phalangeus primus digiti V; 8, carpo-phalangeus I; 
9, Carpo-metacarpalis I. 
I-5 as in Fic. 1; a, humero-carpi-radialis; b, humero-metacarpalis III, 
IV, V (extensor digitorum longus); ., humero-carpi-ulnaris; d, carpo- 
phalangei (extensor digitorum brevis). 
a, b, humero-ulno-phalangei (flexor digitorum communis profundus). 
a, ulno-carpi-radialis; b, ulna; c, humero-ulnaris-lateralis (flexor carpi 
ulnaris); d, humero-radialis brevis (supinator brevis). 
Heap, NECK, AND A ParT OF THE Bopy oF A CROCODILUS 
VuLcaris. (Ventral View). 
u, lower jaw; b, upper jaw; c, arch of palate; d, fold of palate; h, 
pterygoideus internus (Rathke); i, pterygoideus externus (Rathke); 
k, longus colli (Rathke); m, rectus capitis anticus major (Rathke); 
n, sterno-mastoideus (Rathke); v, levator scapula (Rathke); p, scalenus 
(Rathke). 
6. PAarT OF A SIMILAR PREPARATION OF C. RHOMBIFER. 
u, the hindermost of the superior maxillary teeth; 6, lower jaw; c, 
wings of palate; d, pterygoid; e, quadrate; g, intertransversalis (Rathke); 
h, trachelomastoideus (Rathke); i, levator scapule (Rathke); k, longus 
colli (Rathke); m, pterygoideus externus (Rathke); n, rectus capitis 
anticus major (Rathke). 
Fic. 7. A Part oF THE HEAD AND NeEcK OF ALLIGATOR LUCIUS. 
u, pterygoideus externus (Rathke); b, digastricus (Rathke); c, rectus 
capitis anticus major (Rathke); d, sterno-mastoideus, anterior telly 
(Rathke); ¢, sterno-mastoideus, posterior belly (Rathke); f, levator 
scapule (Rathke); g, cervicalis adscendens (Rathke); 4, longus colli 
(Rathke); i, intertransversalis (Rathke); k, trachelomastoideus (Rathke); 
l, biventer cervicis (Rathke); m, splenius colli (Rathke); 7, splenius 
capitis (Rathke), 
