372 Mr. F. G. Penrose on a Collection of 



This species was included by Count Salvador! as of likely 

 occurrence in Borneo ; but the present is the first authentic 

 instance of the bird having been shot in the island. 



Melanopelargus episcopus (Bodd.) . 

 Melanopelargus episcopus, Salvad. /. c. p. 356. 

 Lawas river {coll. Treacher) . 



Leptoptilus javanicus (Horsf.). 



Leptoptilus jav aniens, Salvad. t. c. p. 358. 



Mr. Low sends two eggs along Avith the head of the old 

 female. The eggs are pale greenish blue ; axis 2' 7 inches^ 

 diam. 1*95 inch. 



SULA PISCATRIX (L.) . 



Sula 2Jiscatrix , Salvad. i.e. p. 368. 



Lawas river {coll. Treacher) . 



A young bird^ with the wings clipped. The first specimen, 

 however, which I saw from Borneo was a young bird given 

 to the Museum by Governor Ussher from Sandakan. 



XXI. — Notes on a Collection of Birds' Skifis and Eggs made 

 hj Mr. D. Gill, F.R.A.S., on Ascension Island. By F. G. 

 Penrose. 



My friend Mr. Gill went to Ascension for astronomical pur- 

 poses during the months from July 1877 to January 1878, 

 especially to observe the opposition of the planet Mars, which 

 occurred on September 6, 1877. A detailed account of this 

 expedition has been published in the 'Proceedings of the 

 Astronomical Society' for last year; and a general account of 

 their doings has been published in a delightful little book, 

 entitled ' Six Months in Ascension,' by Mrs. Gill. 



Before Mr. Gill started I asked him to bring me as complete 

 a collection of the birds and eggs of the island as he might be 

 able conveniently to procure ; and as he did not know how to 

 preserve skins, I recommended carbolic acid as a preservative. 

 But it entirely failed, and the first skins that we obtained had 



