ATRESIA OF THE AORTIC ORIFICE 3 



The most striking feature was the disproportion in size 

 between the right and left sides of the heart. The superficial 

 area of left auricle and ventricle only occupied a small space 

 on the dorsal aspect of the organ (figs. 1 and 2). The dispro- 



L. Com. Car, 



L. Subcl. . 



Aorti (aich) 

 L. Piilni Alt 

 L. Pulin ^ 11 s 



L. Aiir. Append -^ 



Innoin. Art. 



Aorta (arch). 



E Pulni. Art. 



E Pulm. Vn's. 



Inf. Cava. 



Fig. 2. — Dorsal View. (Twice natural size.) 



portion in the size of the cavities was still more marked. Those 

 of the right side had the appearance of being distended, 

 especially that of the right auricle, there being no demarcatipn 

 between it and its appendix. 



On the other hand , the left ventricle could contain only three 



