120 MALL. [VoL. XIX. 
TABLE XIII. 
ARRESTED DEVELOPMENT OF THE EMBRYO, 
(Sixth Week.) 
No. area. | Dae ee of | ped cu | Changes in the Chorion. 
mm. mm. days. 
311 124 36 X 30 X 30 Fibrous. 
69 13 70 X 40 X 20 Atrophic and fibrous 
174 13 25 xX 2560. oie 56 Atrophic. Invaded by syn- 
cytium. 
Olen eS ee 
2 I SOG 5m aline. 
ae 2S a seid ss : cca Mucus and pus be- 
tween villi. 
aris 13 Fibrous. 
276 134 TORRES In exe a16 80 Fibrous. 
232 14 AG ooh axes Fibrous (?). 
262 14 SOx 15% 115 Villi invaded by leucocytes. 
270 14 40 X 30 X 20 Fibrous and atrophic. 
305 | 14 | = 
341 14 70 X 60 X 50 Fibrous. Some villi cedema- 
tous. (Twins in a single 
chorion.) 
81 i GNX 55 x35 84 Atrophic, infiltrated with leu- 
cocytes. 
132 15 42) xX 30 89 Atrophic. 
142 15 50 X 40 X 30 129 Fibrous. Invaded by syncy- 
tium. 
200 15 Siew 2 5 oes Fibrous. 
212 15 Very large 189 (?) , 
364 16 90 X 50 X 4o 99 Fibrous and atrophic. 
07 16 60 X 50 X 30 86 Fibrous. ; 
207 16 TOR AG x AS Chorion hyaline(?). Syncy- 
tium irregular. Decidua in- 
filtrated with leucoytes. 
(Twins in a single chorion.) 
339 16 50: X 20.30 Hyaline. ; 
344 16 45X45 X45 Fibrous and atrophic. 
203d!" 35 27 Oa Normal(?). 
188 te] 45 X 40 X 40 66 _ Very fibrous. 
215 0] 45 X 40 X 4o 12 wks. Fibrous. 
357 Ly 90 X 40 X 40 13 wks Fibrous. Invaded by syn- 
cytium. 
within, seen so often in pathological specimens. Within the 
embryo the vascular system and heart are much dilated and 
filled with blood. The whole condition of affairs indicates that 
the circulation was interrupted shortly before the abortion 
took place. . . 
The embryo is imbedded in an irregular mass of granular 
magma, and from its external form it seems to be nearly 
normal. However, its neck is kinked too much in front, and 
