PLATE 4 



EXPLANATION OF FIGURES 



10 After Huntington, Anatomy of the peritoneum and abdomen, figure 121. 

 To illustrate a case of good development of the left colic loop, arrested devel- 

 opment of the duodeno-jejunal loop and non-rotation of the entero-colic loop. 



11 After Strehl, Archiv f. klin. Chirurgie, Bd. 87, 1908, cited by Broman, 

 Normale and abnorme Entwicklung des Menschen, figure 326. To illustrate a 

 case of good development of the left colic loop, arrested development of the 

 duodeno-jejunal loop and reverse rotation of the entero-colic loop. 



444 



