1908.] an the Placenta and Fetus of the Pregnant Rabbit. 
269 
of labour there is still glycogen present in a suitable position for absorption 
by the foetal tissues. 
Table I1I.—Glycogen of Maternal Placenta (Proximal Part). Weight of | | 
Fetal Placenta. 
Day of gestation ...... 14, 16 | 18 | 20 21 22. 
Average weight of fetal) 0°26 0°24. 1 ‘03 1 ‘40 1 ‘90 2 °30° 
placenta in grammes 
Average weight of glycogen} 00040 0 0082 0 0072 0°0102 | 0°0110 | 0 ‘0082 
per placenta in grammes | 
Day of gestation ...... 23. | 24. 25. 26. 27. 28. 29. 
Average weight of fetal) 2°38 2°67 2°83 |1:90 3:93 | 2°70 2-72 
placenta in grammes | | 
Average weight of glycogen | 0°0062 000483 | 00017 | 0-0011 | 0:0016 | 0:0008 | 0-00 
per placenta in grammes | 
18th day onwards. 
B. Glycogen of Fetal Liver. 
Table TV shows the results of the analyses of the fcetal livers from th 
Table IV.—Glycogen and Weight of Foetal Liver. 
Day of gestation ......, 14. | 16. 18 | 20. ai 22, 
Average weight of fcetal |) (| 0:09 0 42 0°54 0°68 
liver in grammes 
Too small 
Average weight of glycogen | + for 4 Trace 0:0002 | 0°0003 | 0°0006 
per liver in grammes | analysis | 
Glycogen percentage......... J L} 0:00 0 04 0 06 0-09 
Day of gestation ...... 23. 24. 25. 26. 27. 28. 29. 
Average weight of foetal, 0°70 1‘0 2°03 0°74 | '2°67 2°07 2 ‘11: 
liver in grammes . 
Average weight of glycogen | 0°0013 | 00026 | 0-0116 | 0-0016 | 00392 | 00703 | 0 0536 
per liver in grammes =, 
Glycogen percentage......... 0:19 0°25 0:57 0°21 1 ‘47 3°40 2 “54 
| 
