LARIDyE. 161 



The AMERICAN STORMY PETREL. THALASSIDROMA Ocean- 

 ica, Kuhl. Monogr. t. 10. f. 1. T. Wilsoni, Bonap. 

 Procellaria pelagica, Wils. Am. Orn. t. 59. f. 6. 



a. Atlantic Ocean. Presented by the Rev. W. Hennah. 



b. Adult male. Presented by His Excellency Capt. G. 

 Grey. 



c. Male. Presented by His Excellency Capt. G. Grey. 

 d. ? 



e. Ice off Louis Phillippe Land (Antarctic Expedition). 

 Presented by the Admiralty. 



The WHITE-BELLIED STORMY PETREL. THALASSIDROMA 

 Fregetta, Kuhl. Monogr. t. 10. f. 3. Banks' s Icon, 

 ined. t. 14. Procellaria grallaria, Vieill. T. tropica 

 etT. leucogaster, Gould, Ann. Nat. Hist. 1844, p. 365. 



a. Lat. 6 33' N., Long. 18 6' W. From Mr. J. Gould's 

 Collection. 



b. Young. Presented by His Excellency Capt. G. Grey. 



c. Adult male. Presented by His Excellency Capt. G. 

 Grey. 



The FORK-TAILED PETREL. THALASSIDROMA furcata. 

 Procellaria furcata, Gmel. S. N. i. 561. P. orientalis, 

 Pall. T. cinerea, Gould. 



a. b. Sitka (N. W. America). Presented by Mr. G. 

 Barclay. 



c. Sitka (N. W. America). Presented by Capt. Sir E. 

 Belcher, K.B., R.N. 



d. Sitka (N. W. America). Presented by J. Gould, Esq. 



The FRIGATE PETREL. THALASSIDROMA marina. Pro- 

 cellaria marina, Lath, Ind. Orn. n. 826. Gal. des Ois. 

 t. 292. P. aequorea, Sol. Mss. Banks's Icon. ined. t. 

 13. P. hypoleuca, Webb, et Berth ? 



a. Male. Island off Cape Lewin, W. Australia. From 

 Mr. Gould's Collection. 



b. Female. Island off Cape Lewin. From Mr. Gould's 

 Collection. 



c. Young. Inlet south of Wallaby Island. Houtman's 

 Abrolhos. From Mr. Gould's Collection. 



