Figure 6. — Pup mortality, study area 3, Northeast Point Rookery, St. Paul Island, mid-July 1967. 



Table 4. 



-Primary causes of death among pups, three mortality study areas, St. Paul Island, 



29 June to 15 August 1967 



Causes of death 



Study areas 



Reef Rookery 



Area 1 

 Old catwalk 



Area 2 

 New catwalk 



Dead pups 



Dead pups 



Northeast Point 



Area 3 

 Hutchinson Hill 



Dead pups 



Total 



Malnutrition 



Number Percent 



32 



40.0 



Number Percent 



13 



24. 1 



Number Percent 



27 



27. 5 



Number Percent 



72 



31. 



Liver damage-multiple 

 hemorrhage -perinatal 

 complex 10 12.5 



Hookworm disease 4 5.0 



Infection 

 Navel 

 Peritonitis 

 Pleuritis 

 Enteritis 

 Cellulitis 

 Abscess 



Trauma 

 Bite wounds 

 Skull fracture 

 Contusion 



Miscellaneous 

 Stillborn 



Nonhookworm anemia 

 Meconium impaction 

 Hernia (and eventration) 

 Premature 

 Hydrocephalus 

 Milk inhalation 



Undetermined 



Unsuitable for examination 



Totals 80 100.0 



13 



32 



13. 3 



32.7 



33 



37 



14.2 



16. 



