64 



Ronald W. Mobley and Grover C. Miller 



Table 1 . Prevalence and intensity range of gastrointestinal helminths of sea birds 

 from North Carolina. 



Taxon (No. examined) 



Prevalence of 

 infection (%) 



Intensity range 



Order Procellariiformes 

 northern fulmar (1) 

 Cestoda: 

 Tetrabothrius laccocephalus ' 

 Tetrabothrius procerus 



Cory's shearwater (7) 

 Cestoda: 

 Tetrabothrius minor ' 

 Tetrabothrius laccocephalus 



greater shearwater (3) 

 Cestoda: 

 Tetrabothrius laccocephalus 



Audobon's shearwater (5) 

 Cestoda: 

 Tetrabothrius laccocephalus ' 



South Trinidad petrel (2) 

 Cestoda: 

 Tetrabothrius sp. 



Wilson;s storm petrel (37) 

 Cestoda: 

 Tetrabothrius filiform is ' 

 Choanotaenia sp. ' 

 Unidentified fragments 



Nematoda: 

 Contraceacum sp. ' 



Order Pelecaniformes 

 red-billed tropicbird (2) 

 Cestoda: 

 Tetrabothrius sp. ' 



Order Charadriiformes 

 common tern (11) 

 Digenea: 



Opisthovarium elongatum ' 

 Acanthocephala: 

 Falsifilicollis altmani ' 



100 



>10 



100 



>10 



29 



1-5 



15 



10 



100 



40 



100 



6 



8 



11 



1 ->10 



1-2 



1 

 1-4 



50 2 



9 3 pairs in copuh 



45 2 - >200 



1 New host record 



