TABLE OF ILLUSTRATIONS. 



FIG. 



530. Ovaries, oviducts, and uterus of a foetus (equine) 



531. Ovarium of the Rabbit .... 



532. Constituent parts of Mammalian ovum, entire . 



533. Constituent parts of Mammalian ovum, ruptured . 



534. Formation of the corpus luteum 



535. Generative organs of the Mare, isolated 



536. Generative organs of the Mare, in situ . 



537. Termination of milk-duct in cluster of follicles 



538. Ultimate follicles of mammary gland, with secreting cells 



539. Microscopic appearance of milk 



540. Human uterus, witii its appendages 



541. Ovary of the Bird ..... 



542. Graafian vesicle ..... 



543. Optical section of ovum of Eabbit . 



544. Ovum of Rabbit ..... 



545. Blastodermic vesicle of Rabbit 



546. Section of a Fowl's unhatched egg 



547. Area pellucida in early blastoderm 



548. Transverse section of blastoderm 



549. Area pellucida of blastoderm 



550. Area pellucida in blastoderm .... 



551. Transverse section of blastoderm 



552. Transverse section of dorsal region 



553. Manner in which embryo and envelopes are formed 



554. Diagram of foetal membranes .... 



555. Exterior of the chorial sac (Mare) . 



556. Different parts of foetal Horse .... 



557. Foetus of the Mare, with its envelopes 



558. Portion of ultimate ramifications of umbilical vessels . 



559. Vertical section of injected placenta 



560. Portion of one of the foetal villi 



561. Equine foetus, opened on left side to show umbilical vessels 



562. Blood-vessels in liver of an equine foetus at mid-term . 



563. Liver of a Lamb at birth .... 



564. Foetus of the Slieep .... 



565. Vertical section of a maternal cotyledon 



566. Embryo of the Chick .... 



567. Section of embryo Duck .... 



568. Embryo of the Chick .... 



569. Transverse section of embryo of Chick on third day 



570. Plan of development of eye .... 



571. Origin of encephalic centres in human embryo of fourth week 



572. Plan of chorda dorsalis at period of formation of embryo 



573. Plan of vertebra at an early period of development 



574. Head of a foetal Lamb, showing Meckel's cartilage 



575. Plan of first system of vessels (embryo) 



576. Embryonic heart at an early period (anterior view) 



577. Ditto, seen from behind 



578. Heart of an equine foetus 



579. Plan of the aorta and its arches at an early period 



580. Plan of the circulation in the human embryo (side view) 



581. Section of embryo of Rabbit 



582. First appearance of the lungs . 



583. Embryo of Dog at twenty-five days 



584. Origin of liver from intestinal wall of embryo Chick 



585. Urinary and genital apparatus in embryo Chick 



