Part 275

Retrossal process of third phalanx, 91

Rhinencephalon, 670

Rhombencephalon, 655

Rhomboideus capitis muscle of dog, 320 cervicalis muscle of dog, 320 of horse, 251 muscle of dog, 320 of horse, 251 of ox, 302 of pig, 314 thoracalis muscle of dog, 320 of horse, 251

Ribs, 25 angle, 26 anterior borders, 26 articulations of, of horse, 177 asternal, 25 of horse, 43 costal cartilage, 25 groove, 26 development, 26 extremities, 25 external surface, 26 false, 25 of horse, 43 floating, 25 head, 26 intercostal spaces, 25 internal surface, 26 neck, 26 of dog, 153 of horse, 43 articulations of, 177 development, 44 of ox, 114 of pig, 138 posterior borders, 26 shaft, 25 sternal, 25 extremity, 26 of horse, 43 true, 25 of horse, 43 tubercle, 26 vertebral extremity, 26

Ridge, cuticular, of stomach, 360 trochanterie, of femur, 99

Rima glottidis of horse, 447 of pig, 465 oris of dog, 423 of pig, 410

Ring or rings, fibrous, of heart of horse, 534

Rings or ring, fibrous, of intervertebral fibro-cartilages, 173 inguinal, external, 246, 250 internal, 248, 249 muscular, of cæcum, 365 of trachea, 450 peritoneal, 490 portal, 372 preputial, 497 subperitoneal, 490 vaginal, 248, 290 of ox, 500

Ring-like muscles, 211

Root of hair, 763 of teeth, 339 of tongue of horse, 335

Rostri of pig, 143

Rostrum suis, 464

Rotation of joints, 172

Rotator muscle, 751

Round ligament of bladder of horse, 476 of hip joint of horse, 193 of horse, 356 of liver of horse, 375 of uterus of bitch, 523 of cow, 518 of mare, 513

Rubrospinal tract, 661 of Monakow, 652

Rugæ palatini of horse, 332

Rumen of ox, 390, 391 blind sacs of, 392 cardiac orifice of, 394 cavity of, 393 coronary grooves, 392 dorsal curvature of, 391 longitudinal furrows, 391 mucous membrane of, 394, 397 muscular coat of, 396 pillars of, 393 ventral curvature of, 391 of sheep, 408 of stomach, serous coat, 396

Ruminal artery of ox, 615

Rumino-reticular fold of ox, 393 orifice of ox, 393

Sac, anal, of dog, 432 blind, of rumen of ox, 392 carpo-metacarpal, 183 conjunctival, 736 intercarpal, of horse, 183 intertarsal, first, 200 second, 200 radio-carpal, of horse, 183 synovial, of hock joint, 200 tarso-metatarsal, 200 tibio-tarsal, of horse, 200

Sacculations of cæcum, 364

Saccule, 759 laryngeal, of horse, 447

Saccus cæcus of horse, 357

Sacral angle of ilium, 94 artery, lateral, 575 middle, of ox, 618 of ox, 619 canal of horse, 41 foramen, inferior, of ox, 114 of horse, 40 ganglia of ox, 720

Sacral lymph glands, 604 nerves of horse, 710 vertebræ, 24 of dog, 151 of horse, 39 articulations of, 175 development, 41 of ox, 114 of pig, 138

Sacro-coccygeus accessorius muscle of dog, 325 inferior muscle of horse, 240 lateralis muscle of horse, 239 muscle of dog, 325 of pig, 314 superior muscle of horse, 238 ventralis mediales muscle of horse, 240