NO. 4 NERVOUS SYSTEM OF A CENTIPEDE — LORENZO 



19 



B 



D 



Fig. 4. — Schematic illustration, dorsal aspects, of the brains representative of 

 the four orders of the class Chilopoda. A, The scutigeromorph brain. The 

 optic lobes (OP) and the frontal ganglion (FG) are well developed. B, The 

 lithobiomorph brain. C, The scolopendromorph brain. D, The brain of Areno- 

 philus bipuncticeps (Wood), representative of the geophilomorph. The pro- 

 tocerebrum is represented only by the frontal lobes (FL). (A, B, C, modified, 

 after Fahlander, 1938.) 



