HALICHCERUS. 



191 



6. Skull, young. Length lOi inches, over vertex 13 inches. 



Breadth, zygomatic 6^ inches, cranial 4 inches. 

 Mandible 6f inches. Teeth little worn, the hindmost 

 showing two supplementary cusps, crowns faintly 

 striated" vertically. Occipital ridges strong. Mesial 

 foramen in basi-occipital 

 West Coast of Scotland. 



Donor— Capt. Macdonald, F.C. " Vigilant," 1872. 



7. Skull, imperfect, edentulous except the pair of uppercanines. 



Length 8 inches; breadth, cranial 4 inches. Right 

 mandible 4f inches. Basi-cranial joint not closed. 

 See Turner in Jou7^n. Anat. and Phys., vol. vii., 1883. 

 Montrose. 



8. Skull, young, basi-cranial not closed, with atlas vertebra. 



Crowns of teeth marked with delicate vertical stride. 

 Length 8 inches, over vertex 10 inches. Breadth, 

 zygomatic 4>h inches, cranial 3| inches. Mandible, 

 length 5 inches. Atlas, transverse diameter 3 inches. 



9. Maxillae, mandible, and loose teeth of a young Grey Seal, 



caught at Montrose, 1869. Turner Collection. 



10. Mandible, adult, and left half of a smaller mandible, from 



Burrian, N. Ronaldshay. Donor— Dr Wm. Trail. 



11. Mandible, right half of, found in a kitchen m.idden, 



Inchkeith, 1881. Turner Collection. 



12. Skeleton, imperfect. Scapula with bones of shaft of fore 



limb, humerus with supracondyloid foramen. Pelvis 

 with bones of shaft of hind limb. From specimen 

 shot on the West Coast of Scotland. 



Donor— Capt. Macdonald, F.C. " Vigilant. ' 



13. Lymphatic glands, group of, from the root of the 



mesentery of the Grey Seal. Prepared in 1870. 



Turner Collection. 



14. Placenta, zonary, a large portion of, along with the wall 



of the uterus, from the Grey Seal, showing the con- 

 voluted surface, covered by the allantois and with 

 branches of the umbilical vessels entering its sub- 

 stance. These vessels have been injected. At its 

 margin the placenta has been dishevelled and the 

 injected villi of the chorion exposed. The mother 

 was shot at Sule Skerry, Cape Wrath, in 1872, by 

 Capt. Macdonald. For Placentation of the Grey 

 Seal, see Turner's memoir in Trans. Roy. Soc. Edin., 

 xxvii., 1875. 



