maxillo-coracoideus, 93 maxillo-hyoideus, 93 metacarpo-phalangeus, 111 metacarpo-phalangeus I., digiti V., 112 obliquus abdominis externus, 112 obliquus abdominis internus, 113 occipito-cervicalis medialis, 94 occipito-epistropheus, 96 occipito-maxillaris, 91 pectoralis, 100 pectoralis minor, 100 peroneus anterior, 125 pisiformi phalangeus primus digiti V., 111 of posterior appendages, 118 pterygo-maxillaris, 91 pubi-ischio-femoralis externus, 123 pubi-ischio-femoralis internus, 124. pubi-ischio-femoralis posterior, 124 quadratus lumborum, 115 rectus abdominis, 113 rectus internus, 115 rectus lateralis, 114 rectus ventralis, 113 retractor oculi, 137 rhomboideus, 99 of scapula, 96 scapulo-humeralis profundus, 103 sphincter colli, 91 squamoso-cervicalis medialis, 95 sterno-atlanticus, 97 subscapularis, 104 supracoracoideus, 100 of tail, 129 temporalo-maxillaris, 90 teres major, 103 tibialis anticus, 125 tibialis posticus, 128 transversus abdominis, 113 ulno-carpi-radialis, 109 ulno-radialis, 107 of ventral side of neck, 91 Muscle plates, 289, 297, 311, 325 Musk glands, 156 Myocardium, development of, 305 Myocœl, 256, 280, 281, 282, 311 Nasal passages, 151 Nasal pit, 294, 307, 310, 317, 322, 330 Nephrostome, 290 Nerves abducens, 133, 134, 135, 137 acoustic, 133, 137 alveolar branch, inferior, 136 axillaris, 141 brachialis longus inferior, 141 brachialis longus superior (radialis), 141 brachial plexus, distribution of, 140 coraco-brachialis, 141 crural and ischiadic plexuses, 142, 143 cutaneus brachii et antebrachialis medialis, 141 cutaneus pectoralis, 141 dorsalis scapulæ (posterior), 141 facial, 133, 137 frontal branch, 136 glossopharyngeal, 134, 137 hypoglossal, 68, 134, 138 latissimi dorsi, 141 nasal branch, 136 oculomotor, 68, 133, 134, 135 olfactory, 135 optic, 68, 134, 135 pectoralis, 141 pneumogastric, _see_ vagus postsacral, 142, 143 presacral, 142, 143 sacral, 143 scapulo-humeralis profundus, 141 spinal (1-4), 138, 139, 140 subscapularis, 141 supracoracoideus, 140 teres major, 141 thoraci inferiores, 140 trigeminal, 68, 133, 135, 136, 137 trigeminal, inferior maxillary branch, 136 trigeminal, ophthalmic branch, 136 trigeminal, superior maxillary branch, 136 trochlear, 133 vagus, 68, 134, 137 Nervous epithelium of ear, 149 Nervous layer of ectoderm, 259, 268 Nervous system, 131 Nest of alligator, compactness of, 21 construction of, 21 form of, 21 location of, 20 size of, 21 temperature in, 24 Neural arches, development of, 325, 331 Neural groove, _see_ Medullary groove Neurenteric canal, 264, 267, 272, 275, 282, 336 New York Zoölogical Park, crocodilians in, 39