INlMONV ('ol.l.K«!F JilI'RNAI, OK Ks'TOMOUMiV 



833 



runs in to the Iduit swrlaci- of tin' li'u. rnilialily tin- inon- i-roxinml part 

 (if tilt' iicrvu t'lirnishcs more niiisciilar braiiclit-s wliilc its nitin- distal parts 

 from tlu'ir position seem to c-ontain a larger proportion of sensory tibt-rs. 



Tlu" ni'rve trunk ffoinR to a palpus has a soniPwliBt similar course as the 

 large nerve in the lefr, l)ut the niuseles are not so distinct. Here also the 

 main trunk is more deeply situated in the distal segments and runs next to 

 or very near the <*liitin in the last joints of the appendage. (Figure 2ti2, H. > 



Aside from these eleven large trunks which supply thi' alMlomen and 

 larger appendages, there are numerous snutll nerves between the others aa 



Figure 261. Nervous System of Tarantula, X5 

 .\. from above: H. from tlu- side, <nl.irt;i-<l live times: ( ). ocular hmnchcs; C. chcHccral 

 branches; P, palpal trunk. In .\ the darkest portion of the drawinR indicates 

 the position of a part of the digestive tract. In B d.irk portion of the figure 

 in the supr.TsophaRcal portion, is a part of the digestive tract; a light area 

 above the ocular lobe is also a part of the digestive system. 



