XIII 



PHYLUM CHORDATA 



423 



transverse serrated suture, the lambdoidal suture. The right and 

 left parietals articulate together by means of a somewhat wavy 



palp. 



B 



FIG. 10r.>. Iiepus cuniculus. Skull. A, lateral view ; B, ventral view, ang~. proc. angular 

 process of mandible ; as. alisphenoid (external pteiygoid process) ; 6. oc. basi-occipital ; 6. sph. 

 busisphenoid. ; cond. coiidyle ; fr. frontal ; int.pa. inter-parietal ;,?'. jugal ; Icr. lacrymal ; max. 

 maxilla ; nas. nasal ; opt. fo. optic foramen ; o.s})h. orbito-sphenoid ; pa. parietal ; pal. palatine ; 

 pal. VIMX. palatine plate of maxilla ; par.oc. paroccipital process ; pal. p. max. palatine process., 

 of pre-inaxilla ; p. max. pre-maxilla ; peri, periotic ; pt. pterygoid ; p. t.sq. post-tympanic pro- 

 cess of squamosal ; s.oc. supi-a-occipital ; sq. squamosaj ; tit. bul. tympanic bulla ; vo. vomer ; 

 ~.//'t. max. zygomatic process of maxilla. 



suture, the sagittal; in front a transverse serrated* suture, the 

 coronal., connects them with the frontals. Between v the supra 



