342 
PROFESSOR ARTHUR ROBINSON ON 
Table II. — Ferrets, Post-partum or Post-abortion, not in Heat. 
Specimen. 
Weight in 
Ounces. 
Number of Days 
after attempted 
Insemination. 
Number of 
Days Post- 
partum. 
Date 
of 
Death. 
Size of 
Ovary 
in mm. 3 
Size of 
largest 
Follicle 
in mm. 3 
Number of 
Follicles 
of largest 
size. 
Notes. 
f Not in heat, but uterine cornua 
| larger than in an ordinary an- 
1. 
F.G.A. 17/15 R.F1. \ . 
154 
36 
22/6/15 
16-391 280 000: 
•363 242 880 
6 (3 deg.) 
| oestrus ferret. 
2. 
„ „ L.Mx. / . 
,, 
,, 
21-555 072 000 
•375 210 000 
7 (3 deg.) 
| No corpora lutea in right ovary, 
| butonecorrespondingwithdate 
l of insemination in left ovary. 
f 4 corpora lutea corresponding 
j with date of insemination. 
3 old corpora lutea which must 
have belonged to pregnancy 
3. 
F.G.A. 16 A/15R.F1. \ 
184 
„ 
21/6/15 
42-620 256 000 
•047 090 160 
8 (6 deg.) 
-j 
! of previous season. 
4. 
„ „ L.Mx./ 
„ 
„ 
,, 
24-761 547 200 
■045 481 600 
2 normal 
3 corpora lutea corresponding 
with date of insemination. 
3 old corpora lutea which must 
have belonged to pregnancy ' 
L of previous season. 
5. 
F D. Y/16 R.Per. \ . 
11 J 
1 
6/6/16 
34-936 488 000 
•138 520 800 
5 (4 deg.) 
7 corpora lutea. 
6. 
„ „ L.M.F. / . 
„ 
28-317 600 000 
•834 960 000 
7 (3 deg.) 
5 „ „ 
7 
F.D. ZV16 R.Per. \ . 
13 
2 
7/6/16 
17-781 120 000 
■076 626 000 
6 (4 deg.) 
3 „ 
8. 
„ „ L.Fi. / . 
„ 
13-592 448 000 
■043 908 480 
8 (4 deg.) 
3 „ 
9. 
F.D. V/16 R.F1. \ 
m 
6 
26/5/16 
40-723 200 000 
■174 919 080 
5 all normal 
8 „ 
10. 
» » L.Z. / . 
,, 
18-387 111 600 
■275 868 000 
10 (2 deg.) 
3 „ 
11. 
F.D. X/16 R.Per. \ . 
19 
12 
6/6/16 
31-022 160 000 
•731 289 600 
5 (1 deg.) 
10 „ 
12. 
„ „ L.FI. / . 
,, 
54-577 152 000 
1-165 233 600 
7 all normal 
6 „ 
13. 
F.D. Z 2 /16 R.F1. \ . 
17$ 
26 
2/6/16 
34-776 000 000 
■054 432 000 
5 (1 deg.) 
8 „ 
14. 
„ „ L.Per ./ . 
,, 
,, 
44-906 400 000 
■051 324 000 
9 (4 deg.) 
5 „ 
15. 
D.A. 42/15 R.Mx. \ . 
17 
28 
8/6/15 
33-103 980 000 
•111 600 000 
10 (1 deg.) 
3 „ „ 
16. 
„ „ L.FI. / . 
” 
” 
28-827 452 500 
■109 058 400 
9 (5 deg.) 
5 
Table III. — Ferrets and Ferret-Polecat Hybrids in (Estrus, not Inseminated, and 
Insemination not attempted. 
Specimen. 
Weight 
in 
Ounces. 
Length of 
(Estrus. 
Date of 
Death. 
Size of Ovary 
in mm. 3 
Size of 
largest Fol- 
licle in mm. 3 
Number of 
Follicles of 
largest size. 
Notes. 
r 
Pro-cestrmnI 
1. P.G.B. 1/15R.FJ. 1 
18 i 
just com- >- 
21/4/15 
40-197 854 700 
•185 241 600 
9 (2 deg.) 
\ 
l 
mencing. J 
2. „ „ L.Mx. J 
„ 
„ 
35-797 500 000 
■198 900 000 
8 all normal 
3. G.A./16 R.M.F. \ . 
15 
Pro-oestrum. 
28/4/16 
39-522 600 000 
■163 244 130 
6 
4. „ „ L.Per. / . 
„ 
„ 
,, 
32-418 000 000 
•149 572 800 
6 
( 
(Estrus I 
5. F.Z.R.A./17 1 
164-4 
No. of V 
17/5/15 
37-830 672 000 
•199 267 200 
8 (5 deg.) 
\ 
“ { 
days ? J 
6. F.FJ.L.A./17 J 
„ 
,, 
28-813 750 000 
■324 124 416 
11 (6 deg.) 
7. G.A. 18/15 R.F1. \ 
17$ 
32 days. 
3/7/15 
17-572 464 000 
•569 963 520 
4 (1 deg.) 
8. „ „ L.Mx./ 
” 
” 
” 
22-353 408 000 
•782 127 360 
10 (4 deg.) 
