AVIFAUNA OF LATSAN, ETC. 

 I took the following measurements from my series in the Tring Museum : — 



295 



KERMADEC ISLANDS. 



PACIFIC, 

 Lar, 21° 10' N. 



LAYSAN. 



NIIHAU. 



Bill from swollen 

 protuberance on 

 upper jaw at gape. 



Wing. 



Bill as 

 before. 



Wing. 



Bill as 

 before. 



Wing. 



Bill as 

 before. 



Wing. 



II1TI). 



75 

 82 

 80 

 75 

 83 

 82 

 82 

 78 

 80 

 80 

 81 

 82 

 85 

 80 

 87 

 80 

 82 

 86 

 83 

 82 

 85 

 81 

 84 

 81 

 81 

 8L 

 82 

 81 



75-87 



mm. 



355 

 345 

 338 

 380 

 345 

 352 

 346 

 337 

 342 

 33S 

 340 

 360 

 345 

 330 

 330 

 340 

 340 

 347 

 340 

 8,40 

 360 

 844 

 355 

 340 

 - 343 

 346 

 347 

 335 



330-360 



mm. 



78 

 87 



mm. 

 8,8,0 



330 



nun. 



70 

 72 

 74 

 75 

 77 

 72 

 75 

 73 

 77 

 76 

 76| 



70-77 



mm. 



310 

 320 

 310 

 308 

 312 

 305 

 320 

 308 

 325 

 315 

 323 



310-325 



mm. 



70 

 80 



ram. 

 380 

 818 



Mr. Hartert has examined the series of Phaethon rubricaiicla in the British Museum, 

 which, however, is poor in fresh skins. The specimens from Mauritius and Round Island, 

 near Mauritius, are not nearly so reddish as those from the Kermadec Islands, and their 

 measurements are : — 



Bill, measured as before. 



Wing. 



mm. 



mm. 



77 



820 



84 



330 



76 



325 



78*5 



336 



80 



330 



76-80 



320-336 



These birds belong, therefore, clearly to the typical P. rubricauda. The specimens 

 from Norfolk Island agree with those from the Kermadec Islands, but the skins in the 



