26 MALL. [Vou. XIX. 
was one monster in every 142 children born. He also states 
that there were 105 monsters in 20,000 births in Munich, or 
I to 190. The most marked deformity in each of the 87 
Dresden cases number as follows: 
Deformities of the head ee ieee. cee eee 23 
Deformities: of ‘the: face. ee 6 ee ee 12 
Detormities Of the necks eee ee eee 4 
Deformities: of the abdomens ect eee 7 
Deformities ofthe Dacken a= eee eee a 
Deformities ‘or te upper extremity seen 9 
Deforimities:of the Wower extremity o- eer. e- 17 
Deformitiesxerthesskiner sores cit. ae ees iti 
Deformittessor orueimoncansher, tae ee ee I 
I have compiled a similar table from Panum,? who gives 
data obtained from Otto and from Meckel. It is as follows: 
Total number Number of 
of monsters. cases. 
AMmencephalis ce stakes ene 618 119 
Anencephalus (according to Bal- 
lantyne 2h oe alee Sats 325 46 
Py drocepialis.s heen te on; cemstes uses 618 26 
EHydrocephaloedle: vs nie 2 tee 618 93 
THarelip, ave eat aaa 618 7G. 
Cyclopia 2h.c vont he et eae eee 618 16 
Eyes siissitieng.. hein aren eek eee an 618 9 
Deformed aipper jaw eai-ne seis 618 3 
Deformedtextrenities sie antennae 618 II5 
Spinanbihida dicate sated ean ewre 404 38 
In my collections of 163 pathological embryos there are 48 
which show deformities which can easily be recognized as 
similar or as being forerunners to foetal monsters. In 27 of 
the embryos this deformity is limited to a single part of the 
embryo, as indicated in the table, but in 21 of them two or 
*Panum, J. c. 
