66 MALL. [VoLt. XIX. 
It is noticed that these data, which are given in chronological 
order, give an increasing per cent of monsters, indicating 
that the more recent ones are collected with greater care. 
Taken together they give pretty well, I think, an average, 
for no doubt slight anomalies are included only in the records 
given by Von Winckel. If we assume that the number of 
births represent only four-fifths of the pregnancies, the figures 
will read about as follows: 
Abortions Abortions 
Pregnancies. Births. Normal _ Pathological Monsters 
Embryos. Ova. at term. 
Number ¢i22 &. 100,000. 80,572". 11,765 97,0452 015 
In per cent 100 80 12 7 6 
I find in my own records of 434* embryos (Catalogue Nos. 
I to 404) that 163 of them are pathological, which, when 
raised to the number of abortions given in the table above, 
gives 7,048 as the number of pathological embryos in every 
100,000 pregnancies. For the present this is as near as I can 
First Month. 
Nos. 1 to 208— 26 normal 
Nos. 209 to 404— 18 normal 
Nos. 1 to 404— 44 normal 
Nos. 1 to 208— 59 normal 
Nos. 209 to 404— 46 normal 
Nos. 1 to 404—107 normal 
First 
Nos. 1 to 208— 85 normal 
Nos. 209 to 404— 66 normal 
and 33 pathological = 56 % 
and 45 pathological = 71*% 
and 78 pathological=590 % 
Second Month. 
and 32 pathological = 35 % 
and 28 pathological = 38 % 
and 60 pathological = 36 % 
and Second Months. 
and 65 pathological = 43 % 
and 73 pathological = 53 % 
of pathological 
of pathological 
of pathological 
of pathological 
of pathological 
of pathological 
of pathological 
of pathological 
Nos. 1 to 404—151 normal and 138 pathological = 48 % of pathologicai 
Total Numbers of All Months. 
Nos. 1 to 404—271 normal and 163 pathological = 38 % of pathological 
“Total number of specimens (434) catalogued under 404 numbers. 
*The per cent has been fully up to 70 from Nos. 127 to 404. The 
low per cent (44) up to No. 127 is due to the fact that only norma! 
embryos were at first collected. . 
