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C. JUDSON HERRICK 



ABBREVIATIONS 



a.l.t., area lateralis tegmenti 



aq., aqueduct of Sylvius 



ax., axon 



br.conj., brachium conjunctivum 



cb., cerebellum 



ch., chiasma optica 



col.inf., colliculus inferior 



col. sup., colliculus superior 



com.ant., commissura anterior 



com.cb., commissura cere belli (mye- 

 linated component) 



com.cb.l., commissura cerebelli (lateral 

 unmyelinated component) 



com. hah., commissura habenularum 

 (commissura superior) 



cmn.hip., commissura hippocampi 



com.po., commissura postoptica 



com.post., commissura posterior 



com.t.d., commissura tecti diencephali 



com.t.m., commissura tecti mesen- 

 cephali 



com. tub. p., commissura tuber culi pos- 

 terioris 



com.v., commissura ventralis 



d., dendrite 



em.s.t., eminentia subcerebellaris teg- 

 menti 



em.th., eminentia thalami 



ep., epiphysis 



epen., ependyma 



F., foramen interventriculare 



f.d.t., fasciculus dorsalis tegmenti 



j.i., fovea isthmi 



J.lat.t., fasciculus lateralis telencephali 

 (lateral forebrain bundle) 



f.l.m., fasciculus longitudinalis medi- 

 alis 



f.med.t., fasciculus medialis telen- 

 cephali (medial forebrain bundle) 



f.R., fiber of Reissner 



f.retr., tractus habenulo-peduncularis 

 (fasc. retroflexus) 



f.v.t., fasciculus ventralis tegmenti 



hab., habenula 



hyp.g., hypophysis, pars glandularis 



hyth., hypothalamus 



inf., infundibulum 



Im., acoustico-lateral lemniscus 



m.n., multipolar neuron of stratum 

 album 



n.II, nervus opticus 



n. Ill, nervus oculomotorius 



n.IV, nervus trochlearis 



71.IV.X., root of trochlear nerve proxi- 

 mally of its decussation 



n.par., nervus parietalis 



n.icrvi., nervus terminalis 



nuc.com. post., nucleus of commissura 

 posterior 



nuc.III, nucleus of oculomotor nerve 



nuc.ip., nucleus interpeduncularis 



nuc.ynes.V, nucleus mesencephalicus 

 trigemini 



nuc.po., nucleus preopticus 



nuc.p0.7n., nucleus preopticus, pars 

 magnocellularis 



nuc.p.o.th., nucleus of pars optica 

 thalami 



nuc.p.t., nucleus posterior tecti 



nuc.tr. pal., nucleus of tractus pallii 



nuc.tub.p., nucleus tuberculi posterioris 



nuc.vis.s., secondary visceral nucleus 



o.sc, organon subcommissurale (sub- 

 commissural organ of Dendy) 



optc, optocoele 



par., paraphysis 



p.d.hyth., pars dorsalis hypothalami 



p.d.th., pars dorsalis thalami 



ped., pedunculus cerebri 



p.i.th., pars intercalaris diencephali 



pl.c.d., plexus chorioideus diencephali 



p.o.th., pars optica thalami 



prim.hip., primordium hippocampi 



p.v.hyth., pars ventralis hypothalami 



p.v.th., pars ventralis thalami 



r.l., recessus lateralis rhombencephali 



r.pin., recessus pinealis 



r.p.m., recessus posterior mesencephali 



r.po., recessus preopticus 



r.V.mes., radix mesencephalica trig- 

 emini 



s.a., stratmn album 



sac.d., saccus dorsalis ■ 



sac.v., saccus vasculosus 



s.d., sulcus dorsalis thalami 



s.ep., stratum ependymale 



