PLATE VI. 
7 
S 
1, Head of Spectacled Petrel (Procellaria e mspicillata). 2, Head of White-chinned Petrel 
4, 5, Head, top of bill and leg of Diving Petrel (Pelecanoides 
9, Top view of 
Procellaria equimoctialis). 
irinatrix). 6, Side and top of bill of Thin-billed Prion (Heteroprion belcher?). 8, 
bill and leg of Dove Prion (H. desolatus maitingleyt). 10, 11, Top and side of bill of Fairy Prion 
(Pseudoprion turtur crassirostris). 12, 13, 14, Top views of bills of Broad-billed Prion (Pachyptila 
vittata vittata, P. v. missus, P. v. gouldi.) 
