111! 



its lower ; rontal 



continued superiorl) 



Ural juga, digitate imj 

 portion are sometimi 

 tint t boundary between the i 

 caecum is sometimes situated entin 



The two orbital plates of thi 

 notch • Fig. hich artii 



two surfai 



and an orbit,:' 



eparated from the i thmoid b 

 and is in contact with ihi 

 is almost flat and exhibits qui 

 sui t and middle menin 



e orbital 

 the i the orbit and also a ; 



articulati - I ; and 38) with tl 



.suture, with the lamina 



the lachrymal bone by the frontolachrymal suture. 1 

 from the inferior surfa 

 m that which it present 

 its borders are rather broad and irregular, and 

 depressions, which complete the air-cells of the etru In l 



cells there an <>r canals, an ai 



anterior and post thmoid 



give passage to the vessels and nerves of tb 



The portion of the orbital surface which is in tl 

 small depression, the tr 

 the trochlear spin . h of which ai 

 the superior oblique mux le being atta< hed in this 

 surface beneath the zygomatic pi 

 lachrymal gland. 



The nasal portion of the frontal 

 between the orbital cavities and pr 

 a very irregular roughened border, kn 

 bone and the frontal pr laxilla, and il 



the frontal spine, which, together with the rough 1 

 form the skeleton oi the nose. 



The frontal bone, like many ^i the cranial b 

 [02), or, accurately speaking, two cavities, wl 

 one side of the median line. Like the majority ^i v. 

 nasal cavity, the communication in thi- 



