FIGURES 2.371 AND 2.372. HEART OF A RABBIT-EMBRYO.
FIGURES 2.373 AND 2.374. HEART OF A DOG-EMBRYO.
FIGURES 2.375 TO 2.377. HEART OF A HUMAN EMBRYO.
FIGURE 2.378. HEART OF ADULT MAN.
FIGURE 2.379. SECTION OF HEAD OF A CHICK-EMBRYO.
FIGURE 2.380. SECTION OF A HUMAN EMBRYO.
FIGURES 2.381 AND 2.382. SECTIONS OF A CHICK-EMBRYO.
FIGURE 2.383. EMBRYOS OF SAGITTA.
FIGURE 2.384. KIDNEYS OF BDELLOSTOMA.
FIGURE 2.385. SECTION OF EMBRYONIC SHIELD.