46 



160. The right ramus of the lower jaw of a Cod-fish (Gadus morrhua). The num- 

 bers indicate the articular, angular and dentary pieces, according to Table I. 



Presented by Sir B. C. Brodie, Sort., F.R.S. 



161. The premandibular or dentary bones of a Cod-fish (Gadus morrhua). 



Presented by Sir B. C. Srodie, Bart., F.R.S. 



162. The premandibular or dentary bones of a Cod-fish (Gadus morrhua), with the 



dried symphysial tentacle. Presented by Sir B. C. Brodie, Bart., F.R.S. 



163. The premandibular or dentary bones of a species of Gadus, with the dried 



symphysial tentacle. Hunterian. 



164. The premaxillary bones of a fish of the Cod-tribe (Gadus). Most of the teeth 



have been detached from the short hollow pedestals of the alveolar surface of 

 these bones. Hunterian. 



165. The right side of the hyoidean arch, with the opercular, subopercular and in- 



teropercular bones and the branchiostegal rays of a Cod-fish. The bones are 

 numbered in correspondence with those in Table I. 



Presented by Sir B. C. Brodie, Bart., F.R.S. 



166. The inside view of the right half of the hyoid arch, and its branchiostegal 



appendages, of a Cod-fish (Gadus morrhua, Linn.). The bones are numbered 

 in accordance with those in Table I. 



Presented by Sir B. C. Brodie, Bart., F.R.S. 



167. The left side of the hyoid arch, with the branchiostegal rays, of a Cod-fish 



(Gadus morrhua). Presented by Sir B. C. Brodie, Bart., F.R.S. 



168. The hyoid arch and its branchiostegal rays, but wanting the glosso- and uro- 



hyal elements, of a Cod-fish (Gadus morrhua). The bones are numbered 

 according to those in Table I. Presented by Sir B. C. Brodie, Bart., F.R.S. 



169. The bones of the four first branchial arches of a Cod-fish (Gadus morrhua). 



They are indicated by numbers according to those in Table I. The third and 



