Explication ot the Plates and 



description of the Figures and the 



ahbreviations. 



PLATE I. 



Fig. \a. A frontal section through the left half of the oblongata 

 of a rabbit, at the entrance of the distal (dorsal) root 

 15 days after removal of the left cochlea. 



Fig. \b. A frontal section through the right half of the same 

 oblongata at the same level (both treated with MARCHI). *) 



Py. Pyramis anterior. 



Lemn. mecl. ~ lemniscus medialis (principalis). 

 nucl. N. VII = nucleus of the facial nerve. 



Ab. S. B. MONAKOW'S aberrirendes Seitenstrangbiindel. 

 Tr. DEIT. desc. ~ tractus DEITEB.S descendens. 



Corp. trap, corpus trapezoides. 

 r. d. N. VIII rr radix dorsalis nervi octavi. 



Ar. ov. =: area ovalis corporis restiformis (pedunculi cerebelli 



inferioris). 



fibr. dors, trans. fibrae transversae dorsales. 

 Port. int. C. E. portio intema corporis restiformis. 

 Str. 1. d. ~ stratum latero-dorsale. 

 Tub. ac. = Tuberculum acusticum. 

 Str. prof. tub. ac. stratum profundum medullare tuberculi acustici. 



(9 area with normal fibres between the degenerated fibres 



in the stratum latero-dorsale. 



str. 1. d. e tub. ac. =: stratum latero-dorsale e tuberculo acustico. 

 str. 1. d. e. nucl. ventr. // // e nucleo ventrali nervi octavi. 



a inner layer of degenerated fibres of the stratum latero- 

 dorsale, giving fibres to the intermedial system of the 

 VIIIi h nerve. 



] ) The lithograph has turned the original drawing. Therefore the left side has 

 become the right one. 



