CRANIAL NERVES OF CAECILIANS 



495 



ABBREVIATIONS 



atv., ramus alveolaris VII. 



alv. +md,4a, union of alveolar branches 

 of r. alv. VII and r. mandibularis V. 



anast.IX-X, fibrous connection, prob- 

 ably sympathetic, between the glos- 

 sopharyngeal and vagal ganglia in 

 Dermophis. 



anast.IX-sy., a nerve passing from the 

 glossopharyngeal trunk into the first 

 cervical sympathetic ganglion. 



anast.sp.3+4-9sy-2, fibrous connections 

 between the third and fourth spinal 

 nerves and the second cervical sym- 

 pathetic ganglion in Ichthyophis. 



ar., arytenoid cartilages. 



auc, ear capsule 



ba., OS basale 



br., brain 



br.l,br-2 etc., branchial arches 



buc, r. buccalis VII • 



bud, lateral division of r. buccalis VII 

 in larval Ichthyophis 



buc. 2, mesial division of r. buccalis 

 VII in larval Ichthyophis 



c.l,c.2, etc., ribs 



col., m. constrictor aditus laryngis 



ego., m. compressor glandulae orbitalis 



ch., cerebral hemisphere 



chb., "Choanabucht," a pouch open- 

 ing into the choana 



che., m. ceratohyoideus externus 



chi., m. ceratohyoideus internus 



cho., choana 



cl.2, second branchial cleft 



csp., chorda spinalis 



de., diencephalon 



dent., OS dentale 



djo., duct of Jacobson's organ 



dla., m. dorsolaryngeus (a) = hyo- 

 pharyngeus 



dlb., m. dorsolaryngeus (b) = hyo- 

 pharyngeus internus 



die, m. dorsolaryngeus (c) = dilatator 

 laryngis 



dyn., m. depressor mandibulae and 

 branches of r. jugularis VII supply- 

 ing it. 



dma., anterior division of m. dep. 



mand., and branch of r. jugularis 



VII supplying it 

 dmp., posterior division of m. dep. 



mand. and branch of r. jugularis VII 



supplying it. 

 e^/i., OS ethmoideum 

 fr., OS frontale 

 gac, ganglion acusticum 

 gacs., ganglion acusticum, saccular 



portion 

 gen., ganglion geniculi 

 gg., ganglion gasseri 

 ggl., ganglion glossopharyngeum 

 gh., m. geniohyoideus 

 gj., glandula Jacobsoni 

 gild., ganglion lineae lateralis dorsale 



facialis 

 gllv., ganglion lineae lateralis ventrale 



facialis 

 gn., glandula nasalis 

 go., glandula orbitalis 

 gon., OS goniale = gonio-articulare 

 gap., ganglion ophthalmicum profun- 



dum 

 gor., glandulae oris 

 gpal., ganglion palatinum 

 gsp.2,gsp.3. etc., spinal ganglia 

 gsy.1,2, first and second cervical sym^ 



pathetic ganglia 

 g.IX., ganglion glossopharyngeum 

 g.Xr., root ganglion of vagus nerve 

 g.Xtr., trunk ganglion of vagus nerve 

 hgl., n. hypoglossus 

 hthl., hypothalamus 

 hy., hyoid cartilage 

 hygl., m. hyoglossus 

 ?fe.4, m.interbranchialis 4 

 ih., m, interhyoideus 1%'; ?'•* 

 im., m. intermandibularis 

 int., r., intestinalis X 

 int. -ace, r. intestino-accessorius X, 



only in part corresponding to the 



nerve of that name in the Urodela 

 io., m. obliquus ventralis 

 itr., mm. inter-transversales 

 jgl., r. jugularis VII 



