ON THE GREENLAND RIGHT- WHALE. 139 



Fig. 



k. The right condyle of the occipital. 



I. The left lachrymal. . 



m. „ superior maxillary. 



o. The squamous portion of the occipital. 



t. The left temporal. 



z. ,, zygomatic. 



2. The head of the same forty-seven and a half feet long Greenland whale skeleton, seen 



from behind, twenty times reduced. 

 The different letters have the following significations : 



a. The posterior surface of the articular process of the temporal. 



/. The posterior angle of the extremity of the orbital process of the frontal. 



ff. The tympanic. 



i. Superiorly, that part of the free margin of the nasal opening which is formed by the inter- 

 maxillaries ; inferiorly, the free pointed end of the upper jaw formed by the intermaxillaries 

 alone. 

 1 k. The condyle of the occipital. 



m. Superiorly, the part of the superior maxillary situated immediately around the nasal opening ; in- 

 feriorly, the lateral surfaces of the palate, formed by the superior maxillaries and descend- 

 ing obliquely towards the mesial line. 



n. The posterior wall of the nasal opening formed by the nasal bones. 



0. The external free surface of the occipital. 



t'. The part of the temporal meeting the zygomatic arch. 



u. The pterygoid cavity situated outside the nasal canals. 



V. The posterior end of the vomer. 



w. The petrous bone. 



3. The cervical region and the anterior part of the dorsal region, with the two foremost pairs 



of ribs, and the sternum of. the twenty-two and one third feet long skeleton, all 

 still remaining in their natural connection. From a photograph, about ten times 

 reduced. 



1, 2, 3, 4, 5, 6, 7. The bodies of the seven ankylosed cervical vertebræ. 

 ,2. The right inferior transverse process of the second cervical vertebra. 

 ,6. „ „ „ sixth „ 



2,. The left „ „ second 



third 



first ,, 



second „ 



1, 2, 3, 4. The bodies of the four anterior dorsal vertebræ. 



'2, '3, '4. The right transverse processes of the second, third, and fourth dorsal vertebrae. 

 1', 2', 3', 5'. The left transverse processes of the first, second, third, and fifth dorsal vertebræ. 

 c and c'. The angle of the two anterior left ribs (angulus costæ). 



t. The place in the second rib corresponding with its tubercle, being that to which the liga- 



ments are affixed which connect it with the transverse process of the second dorsal 

 vertebra. 



4. The left posterior limb of the forty-four and a half feet long Greenland whale skeleton, 



six times diminished. 



a — d . The pelvic bone. 



h. The first subsidiary bone, corresponding with the femur. 

 e. The second and smaller subsidiary bone. 



1'. „ superior 



2'. 



