Mesoplodon bidens. 

 Co 



fos. antorb. 



Fig. 364. Schädel'"von Mesoplodon bidens Sow., von rechts. Original im Museum in Brüssel. Original- 

 zeichnung. — Erklärung der Abkürzungen: As = Alisphenoid, Bs = Basisphenoid, Co = Condylus, 

 Exo = Exoccipitale, Fi. sph. = fissura sphenoidalis, f. opt. = foramen opticum, fos. antorb. = fossa 

 antorbitalis, fos. mast. = fossa mastoidea, fos. suborb. = fossa suborbitalis, Fr = Frontale, Ju = 

 Jugale, La = Lacrymale, Os = Orbitosphenoid, P = Parietale, Pal = Palatinum, Pmx = Prämaxillare, 

 Pt = Pterygoid, Smx — SupramaxiUare, So = Supraoccipitale, Sq = Squamosum. (Va Nat. Gr.) 



