248 Capt. F. W. Hutton on some 



29. Rynchaspis variegata, Gould. 

 Two males and two females. 



30. Lestris catarractes, L. 



Several specimens. Sometimes the feathers of the back of the 

 neck are finely streaked with pale yellow ; but usually they are 

 of a uniform brown. 



Egg rather pyriform, olive-brown, with large brown and 

 purplish grey spots. Length 3'1 inches; breadth 2"1. 



31. Larus dominicanus, Licht. 

 Two specimens, adult and young. 



32. Larus scopulinus, Forst. 

 Several specimens. 



33. Sterna frontalis, Gray. 



One specimen. The breast is faintly tinged with rose. 



34. Diomedea exulans, L. 

 Common on the coast. 



35. Diomedea melanophrys, Boie. 

 Common on the coast. 



36. Ossifraga gigantea (Gm.). 



Several specimens, all of which are brown, getting lighter on 

 the breast and throat, where the colour passes into dirty white. 



37. Halodroma urinatrix (Gm.). 



A few specimens. Length 8 inches ; wing 4*5; tarsus 0*8; 

 bill from gape 0-9, along culmen 0*55, breadth at end of nasal 

 tube 0*25, height at end of nasal tube 0*2. 



38. Halodroma berardi, Quoy et Gaim. 



A few specimens. Length 7*75 inches ; wing 4*25 ; tarsus 0*8 ; 

 bill from gape 0*9, along culmen 0*55, breadth at end of nasal 

 tube 0'17, height at end of nasal tube 0*2, The narrow bill 

 of this species easily distinguishes it from the last. 



39. PuFFiNus TRisTis, Forst. 

 Several specimens. 



40. PUFFINUS ASSIMILIS, Gould ? 



No specimens, but common off the coast. 



