CATALOGUE BIRDS. 541 



remigibus, rectricibus dmdecim, rostroque mb'brevi atris : pedibus 

 Jtavescentibus. 



Staturd paulo minor prcecedentibus duobus. 



63. Larus h^matorhynchus. — Nob. in Zool. Journ. iv. 103. 

 har, corpore plumb eo-gr is eo, dorso rnedio alisque nigris, his albo 

 notatis ; rostro pedibusque sanguineis. 



The length of the bird is 18 inches; of the bill 2 ; of the wing, 

 from the carpal joint to the end of the first quill feather, 13 ; of the 

 tail 6 ; of the tarsi 2. Irides green silvery colour, pupil dark. 



64. Larus fuscus ? 



63. Larus ridibundus? 



66. Lestris catarrhoctes.^ 



67. Procellaria gigantea. A young bird. 



68. Procellaria capensis. 



This beautiful, but well-known petrel, was, of course, our con- 

 stant companion on all occasions of our being at sea, and was 

 particularly numerous off the entrance to the river Plata, feeding 

 probably upon the exuviae that drift out with the current. One 

 being taken with the hook, was killed, and in its entrails several 

 small fragments of granite were found mixed with the half-digested 

 food. A remarkable instance of the natural habits of this bird has 

 lately come to my knowledge, which deserves to be recorded. 

 The late Mr. George Fairfowl, surgeon R.N., on his return from 

 New South Wales, in the year 1831, caught one of these birds, 

 and let it go, with a ribbon tied round the body, by which it was 

 easily distinguished ; the bird was thereby observed to follow the 

 ship, from day to day, for the space of 5,000 miles. 



69. Procellaria Berardi. 



70. Procellaria Wilsonii.— Prince of Musignano. 

 Thalassidroma Wilsonnii — Vigors. 



71. Diomedea exulans. 



72. CyGNUS ANATOiDES. 



Cygn. albus, remigibus primariis ud apicem nigris ; rostro pedibus- 

 que rubris, illo lato, subdepresso, tuberculo nuUo, 



