TRUE] REMAINS OF FOSSIL CETACEANS 459 



Measurements oe the Type Specimen of SchizodElphis crassangueum 



(Case) 



Mm. 



Total length of rostrum (as preserved) 595 



Length from posterior end of superior tooth-row to anterior end of 



rostrum 433 



From insertion of palatines to end of rostrum 49§ 



Breadth of rostrum opposite the posterior end of the tooth-row 48 



Depth at the same point 33 



Breadth of rostrum midway between posterior end of tooth-row and tip.. 25 



Depth at the same point 16 



Breadth of premaxillse at the same point 15 



Height of premaxillae at the same point 7 



Breadth of premaxillse at tip of rostrum 13 



Greatest breadth of left premaxilla proximally 25 



Breadth of mesethmoid at anterior end 18 



Height of mesethmoid at anterior end 37 



Least breadth between blowholes 11 



Greatest breadth between free margins of basisphenoid 71 



Length of zygomatic process from postglenoid process to anterior free 



end i 76 



Breadth of zygomatic process from outer margin of temporal fossa to 



glenoid process 51 



Height of occipital condyle 46 



Breadth of occipital condyle 29 



Total length of mandible (as preserved) 590 



Length from angle of symphysis to tip of mandible 446 



Breadth of mandible opposite angle of symphysis 53 



Depth of mandible opposite angle of symphysis 24 



Breadth of mandible midway between angle of symphysis and tip 27 



Depth at the same point 12 



Breadth between inferior mandibular grooves at the same point 12 



Breadth of mandible at distal end (about) 19 



Depth of mandible at distal end 7 



Distance between the two tooth-rows at the distal end 9 



Length of tooth-row posterior to angle of symphysis 17 



Greatest length of tympanic bulla 51 



Greatest breadth of tympanic bulla 28 



Length of orifice of tympanic bulla 41 



Breadth of bulla at posterior end 24 



