Orbital artery, 555
ducts of dog, 427
fascia of horse, 738
fissure of horse, 51
foramen, internal, 67, 70
gland of dog, 427
region of horse, 67
veins of ox, 621
wings of horse, 51
Organ of Corti, 760
of Jacobson, 772
of sense, 734
vomero-nasal, of horse, 440
Orifice, aortic, of heart, 533
atrio-ventricular, left, of ventricle, 530, 533
right, of ventricle, 530, 531
cæco-colic, of horse, 364
fronto-maxillary, 73
ileo-cæcal, of horse, 364
laryngeal, of horse, 348
of anterior vena cava of horse, 529
of coronary sinus, 529
of posterior vena cava, 529
omaso-abomasal, of ox, 396
preputial, of horse, 496
Orifice, pulmonary, of right ventricle, 531
reticulo-omasal, of ox, 394
rumino-reticular, of ox, 393
ureteral, of horse, 477
urethral, external, of cow, 519
of horse, 499
of mare, 515
of ox, 503
internal, of horse, 477
of male horse, 499
of pig, 505
Os coronæ of horse, 89
coxæ, 29
of horse, 92
of pig, 148
pedis of dog, 506
of horse, 90
rostri of pig, 143, 464
suffraginis of horse, 89
uteri externum of mare, 513
internum of mare, 513