the Tubinares in the North Atlantic Islands. 455 



June 1. Birds not yet breeding, one adult picked up dead (Villa 



Islet, Azores) : O.-Grant. 

 6. Two fresh eggs obtained (Madeira Group) : Schmitz. 

 13. Two fresh ^^g5 obtained (Madeira Group) : Schmitz. 

 Mid-June. Fifteen eggs well incubated (Baixo Is., Porto Santo) : 

 Schmitz. 

 18. One Qg^ (Porto Santo) : Schmitz. 



21. Few eggs, mostly incubated (Madeira Group) : Schmitz. 



23. One egg obtained (Baixo Is., Porto Santo) : Schmitz. 



24. Two eggs obtained (Porto Santo) : Schmitz. 



25. Four eggs obtained (Desertas) : Schmitz. 



26. Birds breeding (Madeira) : Schmitz. 



Julj^ 17. Two birds brought from Porto Santo : Schmitz. 

 August 1. One fresh and one incubated egg found ^Madeira Group) : 

 Schmitz. 

 17. Adult birds obtained (Madeira) : Schmitz. 



22. One young-in-down (Desertas) : Schmitz. 

 Sept. 1. Down-covered young (Porto Santo) ; Schmitz. 



12. Birds obtained (Porto Santo) : Schmitz. Birds captured 

 by Snr. Camara apparently come ashore to breed (^Villa 

 Islet, Santa Maria, Azores) : O.-Grant. 

 21. O. castro first seen at sea (between Lisbon and Madeira) : 

 Schmitz. 

 October. The first eggs collected (Porto Santo) : Schmitz. 



11. Two adults collected (Raza, C. V.) : Alexander. 

 End of Oct. Not breeding, but very abundant (Eaza, 0. V. Is.) .- Fea. 

 Nov. 1-6. Ten adults obtained (Raza, 0. V.) : Fea. 



— . Eggs more or less incubated (Porto Santo) : Schmitz. 



27. Very few seen at sea nearing the Desertas : P. Lowe. 

 End of Nov. This is the time to be recommended for egg- 



hunting (Madeira Group) : Schmitz. 

 Dec. 13. Downy young and eggs (;Cima Is., Porto Santo) : 

 Schmitz. 

 20. One Q<^g (Porto Santo) : Schmitz. 



23. Thirteen eggs slightly incubated (Porto Santo) : 



iSchmitz. 



Breeding range in the Azores. 

 We have so little information with regard to the Petrels 

 and Shearwaters which breed in the Azores, that it is not 

 possible to determine whether 0. castro has more than 

 one breeding-season in the year on this gronp. Only two 

 expeditions of note have been made to these islands by 



