392 



MABEL BISHOP 



ously (1(>\ eloped and ciisily recognized by their relationships to 

 n(M«i;lil)orin»>; structures (figs. 13 to 15). The su])niaxillary gan- 

 glia are absent as are the lingual nerves with which they would be 

 associated. In other words, the two tongues receive their lin- 

 gual iHM've supply from the outer (normal) sides only (fig, 19). 



R.c. nm,. Melmd 



Fig. 6 Front view of the model of the teratological brain after removal of the 

 nerves. The tongues are added in diagram to give their relative i)ositions. The 

 median isolated ganglion has no integral attachment to the brain, and therefore 

 in the model is suspended by wires (not shown). 



Presence of median ciliary ganglia is exceedingly doubtful. In 

 sections 202 and 205 (not figured) there are in the location ex- 

 pected two or three small aggregations of cells that suggest cil- 

 iary ganglia, but are sufficiently uncertain to warrant caution. 

 In close proximity to the median geniculate ganglion there is a 

 dense aggregation of cells which may be conjoined otic ganglia. 



