( 402 ) 



The 9''* + the d'h dennatoma. 



On April 2'-' 1902 on a dog, designed as dog XII the i^^, d^^\ 1^^\ 8'^, 

 lO-'S ll^^i and 12th pah- of roots are cut through. Autopsy on April S^'i con- 

 firms that such has been the case. A reproduction of the results is found 

 in fig. VI. 



To the right begins at the S''^ vertebra the cranial boundary -line of an 

 insensible zone, at first perpendicular to the mid-dorsal line, then suddenly 

 taking a bend in cranial direction (see tig. VI, 1 and 3). and approaching 

 the mid-ventral line 4 cm. above the manubrium. It then turns to continue 

 parallel with the mid-ventral line until beyond the manubrium, rising next 

 with a steep curve in the direction of the epicondylus humerus medialis, 

 and bending back to reach again the sternum caudally of the second rib. 



Fig. VI. 



6th and 9^'^ root. 



Dog Xil. 6^^ and 9'^ root isolated by culting 

 through 4, 5, 7, 8, 10, 11 and 12. 



(The skin is here not quite in accordance with photo 2, the latter having 

 been taken on April 5*. On April 7^^ a narrow sensible band had appeared, 

 establishing a connection between the sensible ventral triangle and the sen- 



