842 



Illustrations 



Fig. 25. 



Fig. 26. 

 Fig. 27. 



Fig. 28. 



Fig. 29. 



Fig. 30. 



Fig. 31 

 Fig. 32 



Fig. 33 

 Fig. 34 

 Fig. js 

 Fig. 36 

 Fig. 37 



Fig. 38 

 Fig. jg 



Fig. 40 



Fig. 42 



Fig. \\. 



Fig. 1 1. 



Fig. is. 



Fig. js-i. 



Fl'V. 46. 



Fig. 17- 



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 Lvtteum 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 Placenta of Ewe 63 



Left. 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 Petal Sac. Cow 67 



Necrotic Tips of Fetal Sacs. Swine 6S 



Examination Blank for Recording Findings in the Examina- 

 tion of the Genitalia of Cows. Reduced 83 



Bischoff's Vaginal Dilator S6 



Instruments for the Examination of the Genitalia of Cows 100 

 Median Longitudinal Sections of Cervices of Cows showing 



the Windings of the Cervical Canal 101 



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 .... n 4 



The Uterine Seal in Early Pregnancy in Heifer 117 



The Uterine Seal of an Adult Cow in Advanced Pregnancy ns 



The Uterine Seal in Longitudinal Section. Cow 119 



Li]).. m. 1 of Mesenteric Fat of Large Intestine. Cow. . . . [37 

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



