Illustrations 



Fig. 25. 



Fig. 26. 

 Fig. 27. 



Fig. 28. 



Fig. 29. 



Fig. 30. 



Fig. 31 

 Fig. 32 



Fig. 33, 

 Fig. 34 

 Fig. 35 

 Fig. 36, 

 Fig. 37 



Fig. 38, 

 Fig. 39 

 Fig. 40. 



Fig. 42 



Fig. 43. 

 Fig. 44. 

 Fig. 45. 

 Fig. 45a. 

 Fig. 46. 

 Fig. 47. 



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

 Vulva and Vagina of Cow showing Gartner's Ducts and 



Bartholin's Glands 39 



Vulva and Vagina of Cow 40 



Vulva and Vagina of Cow ... 42 



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



Ovum 47 



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



Ovum ... 48 



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 



Diagram of Ovary of Cow showing comparative Sizes of the 



Follicles shown in Figs. 22, 23, 24 . 50 



The Corpus Luteum of Pregnancy 57 



Section through Chorionic Placenta of Cow showing Chori- 

 onic Tufts. Enlarged Photograph 59 



Fetal Cotyledon of Cow showing Primary and Adventitious 



Placenta. Photograph x 4 60 



Maternal (bottom) and Fetal (top) Cotyledons of Cow partly 



detached . . . . 61 



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

 Crypts with thickened, fibrous partitions possibly due to 



prior disease . . 62 



Chorionic Placeuta of Ewe . . . . . 63 



Iveft. Uterine Cotyledon of Ewe. Right. Median Section 

 of Maternal and Fetal Cotyledon of Ewe ... .64 



Fetal and Maternal Placenta of Cow 65 



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



Necrotic Tips of Fetal Sac. Cow 67 



Necrotic Tips of Fetal Sacs. Swine . . 68 



Examination Blank for Recording Findings in the Examina- 

 tion of the Genitalia of Cows. Reduced 83 



Bischoff' s Vaginal Dilator 86 



Instruments for the Examination of the Genitalia of Cows 100 

 Median Longitudinal Sections of Cervices of Cows showing 



the Windings of the Cervical Canal loi 



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 



The Uterine Seal in Early Pregnancy in Heifer 117 



The Uterine Seal of an Adult Cow in Advanced Pregnancy 1 18 

 The Uterine Seal in Longitudinal Section. Cow .... 119 

 Lipoma of Mesenteric Pat of Large Intestine. Cow ... 137 

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



