HeRRICK, Commissura Infima. 



431 



viicconmis nu,c^^ f-^'^^J' 



/lucmaifu/i medla/lS-^- _ 



somatic c£immis(4j^___-^^ 

 auc/eiii A '^'' 



nt </ors. 2sp a. 



SomatLC seasory field, 

 fast, c/orso. /at. 



rx.vacji. 



Fig. II. 



r.sp. dors. 



faatc. d 

 nuc. faat 



so/nafic 



