PLATK XI. 



Kii;. 41. — Nervous sy.sk'in, distrOcted and vit>\vv<l fnnn tlir dursal side. X 2. 



1, nurve to niaiidilndar lunsclc. 



2, pharyngeal commissure. 



o, nerves to niandibutar muscle. . 



4, pharynsieal jiauglion. 



5, outer cereliro-buccal connective, 

 (i, inner cerebro-buccal connective. 



7, right nerve of the inferior labial lobe. 



8, infundibular nerve. 



9, nerves to digital and sui)erior laliial tentacles. 



10, large nerve innervating hood and digital tentacles. 



11, nerve of postocular tentacle; the other liranch of this nerve innervates the preocular tenta<-le and the 



posterior portion of tlie lnuid, and sometimes digital tentai'les. 



12, <.'crebral ganglion. 



18, pleuro-visceral ganglion. 



14, nerves to shell muscle and the liody wall. 



15, nerve to the walls of the vena cava, in this case springing fmm tlie visceral nerve, 22. 

 l(i. Nerves to the spermatophore sac and tlie genital duct. 



17, nerve seeming to goto the posterior wall of the anterior renal sac. 



18, nerve seeming to go to the |>osterior wall of the posterior renal sai'. 

 HI, ]iosterior branchial ni'rve. 



20, anterior branchial nerve. 



21, nerve to the wall of the vena ca\a, in this case arising ilirectly from llu' pleuro-visceral ganglion. 



22, visceral nt'rve. 



2S, nerves from the outer end .if the cerebral ganglion to the postcrioi- portion of the hooil. 

 24, )jase of I he uptic ner\c, which may be a ganglion. 

 2.">, portion of the optic nerve in tlie stalk of the eye. 

 2(), branches of the optic nerve in the capsule of the eye. 



27, nerves jiroceeding from the cercliral ganglion to the ilorsal side of the buccad nia.ss, some being distributed 



to the mandiliular muscles, but most passing to the papilla^ on the edge of the buccal membrane. 



28, iiedal ganglion. 

 20, jiedal commissure. 



HO, nerve proceeding to the luise of the spadix. and there ending in an i-nlargemeiil ti-Miii which several line 



nerves go to the ti.ssues of the spadix. 

 'M, nerve to a'sojjhagus. 

 :i2, buccal ganglion. 

 '■'•'.i, buccal commissure. 

 :i4, nerve to salivary gland. 



:!o, ganglion of inferior labial lr>lie lorX'aii der lloeveii's organ) 

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