842 



Illustrations 



Fig. iS. Vulva and Vagina of Cow showing Gartner's Ducts .... 37 



Fig. 19. Vulva and Vagina of Cow showing Gartner's Ducts and 



Bartholin's Glands 39 



Fig. 20. Vulva and Vagina of Cow 4° 



Fig. 21. Vulva and Vagina of Cow 4 2 



Fig. 22. Section of Ovary in Cow showing a Follicle, 0.6 mm., with 



Ovum 47 



Fig. 23. Section of Ovary of Cow showing a Follicle of 2 mm., with 



Ovurn 48 



Fig. 24. Section of Ovary of Cow with a nearly ripe Ovum in an Ovi- 

 sac, 5x7 mm., showing Vacuoles in the Cumulus prepara- 

 tory to Ovulation 49 



Fig. 25. Diagram of Ovary of Cow showing comparative Sizes of the 



Follicles shown in Figs. 22, 23, 24 50 



Fig. 26. The Corpus Luteum of Pregnancy 57 



Fig. 27. Section through Chorionic Placenta of Cow showing Chori- 

 onic Tufts. Enlarged Photograph 59 



Fig. 28. Fetal Cotyledon of Cow showing Primary and Adventitious 



Placenta. Photograph x 4 60 



Fig. 29. Maternal (bottom) and Fetal (top) Cotyledons of Cow partly 



detached 61 



Fig. 30. Same as Fig. 29, showing a different type of Placental 

 Crypts with thickened, fibrous partitions possibly due to 



prior disease 62 



Fig. 31. Chorionic Placenta of Ewe 63 



Fig. 32. Left. Uterine Cotyledon of Ewe. Right. Median Section 



of Maternal and Fetal Cotyledon of Ewe 64 



Fig. 33. Fetal and Maternal Placenta of Cow 65 



Fig. 34. Same as Fig. 33 x 900. (Pomayer) 66 



Fig. 35. Necrotic Tips of Fetal Sac. Cow 67 



Fig. 36. Necrotic Tips of Fetal Sacs. Swine 6S 



Fig. 37. Examination Blank for Recording Findings in the Examina- 

 tion of the Genitalia of Cows. Reduced S3 



FiG. 38. Bischoff's Vaginal Dilator 86 



Fig. 39. Instruments for the Examination of the Genitalia of Cows 100 

 PlG. 40. Median Longitudinal Sections of Cervices of Cows showing 



the Windings of the Cervical Canal 101 



PlG. 42. Rupture of Cervix by an amateur in an effort to " open the 

 mouth of the womb, " followed by Chronic Abscess of 



Cervix 102 



Rupture of the Uterus with Uterine Catheter. Cow. . . . 104 



Fig. 11. The Uterine Seal in Early Pregnancy in Heifer 117 



Fig. 45. The Uterine Seal of an Adult Cowin Advanced Pregnancy n8 



Fig. 45a. The Uterine Seal in Longitudinal Section. Cow 119 



Fig. i<'. Lipoma of Mesenteric Fat of Large Intestine. Cow. . . . 137 

 Fig. 17. Arrested Development of the Genital Tract. Bovine. . . 152 



