FHOCiENA. 105 



2. Skeleton, young, apparently a few days old, 11 1 inches 



long, showing tlie condition of ossification at the 

 • period. 

 Firth of Forth. Knox Collection, No. 103. 



[Nos. 3 to 13 are from the Collection formed by Sir 

 Wm. Turner.] 



3. Skeleton, axial, of adult, disarticulated. Skull, hyoid, 



vertebra), ribs, sternum. Skull 10^ inches long, 

 breadth 5^ inches ; beak 4| inches long, 3 inches 

 broad at base. Premaxillas ridged in front of nares 

 and as far as base of beak ; breadth in beak f inch, 

 faintly convex. Pterygoids small, far asunder. Tym- 

 panies in situ. Mandible 8^ inches long, symphysis 

 1 incli. 



4. Skeleton, disarticulated. Length of skull 10 inches, 



breadth 5 inches ; length of beak 4| inches, breadth 

 at base 2k inches. 



5. Skull, with mandible ; skull cap removed. 



1875. 



6. Skull, bisected, no mandible. 



7. Tympano-periotic bones, right and left, from No. 3. 



Tympanic bone li inch long, f inch broad, |- inch 

 high; bilobed posteriorly. Periotic H ii^ch long. 



8. Tympano-periotic bones, left; outer surface with deep 



notch behind lip-like process for malleus, inner 

 surface with upper border sloping downwards and 

 forwards ; bilobed, outer lobe smooth, rounded, inner 

 smaller, flattened laterally, separated by a relatively 

 wide and deep cleft. Inferior surface broad, roughened 

 with definite inner ridge, whilst on the outer side it 

 blends with the outer surface ; tympanic cavity opens 

 by a moderate orifice close to the anterior end of 

 this surface. Tympanic 1^ inch long, f inch broad, 

 ^ inch high. (Figure of inferior surface below.) 

 Periotic Ij inch long; stapes attached; meatus 

 large ; articular surface for tympanic flat, smooth. 



9. Vertebrae, cervical, fused together. 



