THE ‘DOGS SKULL. 
&c.,of these ossifications in the dog are described 
below. 
a. The olfactory capsule in the dog forms a very 
large portion of the facial region, entering 
into very close relationship with the eth- 
moidal region, and the bones of the maxillary 
arch. 
i. The zasals are two long flat membrane 
bones, forming the dorsal portion of 
the nasal cavities. Posteriorly they 
articulate with the frontals, and with 
each other in the median line. 
il. The naso-turbinals form the inferior 
surface of the nasals; they are thin 
laminated bones, and are produced 
into pouch-like processes. 
il. The ethmo-turbinals consist of a series 
of infolded laminz of bone, lying in 
the posterior and upper portion of the 
nasal cavity. They are fused with 
the lower portion of the cribriform 
plate. 
iv. The maxillo-turbinals are similar 
bones to the ethmo-turbinals; they 
occupy the anterior portion of the 
nasal cavities. They are thinner, and 
altogether much more delicate, than 
the ethmo-turbinals, and folded much 
closer. 
v. The mesethmoid cartilage lies upon 
