Ornitkoloyical Literature of 1870. 417 



writes, " on a dead limb over the stream, whence it chased in- 

 sects and returned." 



6. Laniarius nigrithorax, sp. n. 



L. simihs L. multicolori, sed gutture et pectore antico nigi-is 

 facile distinguendus : long, tota 7*7, alse 3"9, caudse 3*8, 

 tarsi 1-0, rostr. culm. 0'75. 

 Hab. Accra. Collected by Captain Haynes. 

 This beautiful Shrike finds its nearest ally in L. multicolor, 

 G. R. Gray, but is at once distinguished from this, as also from 

 evex'y other species of the genus Laniarius, by its black breast. 



7. Scotopelia ussheri. (Plate XII.) 

 Scotopelia w^sAm, Sharp e, antea., p. 101. 



This fine Owl was described by me at the beginning of the 

 present year. Mr. Ussher informs me that he received it alive ; 

 but it unfortuately died before it could be sent home. 



XXXV. — Index of the Ornithological Literature of 1870. By 

 OsBERT Salvin, M.A., F.L.S. &c., and P. L. Sclater, M.A., 

 Ph.D., F.R.S. &c. 



[Since ' The Ibis ' was first established, it has been our custom 

 to notice in each number the appearance of all the more im- 

 portant works on ornithology. Much as may be said in favour 

 of this system of recording contemporaneous publications, it 

 cannot be denied that the results of the plan as a permanent 

 benefit to ornithological study have proved to be less advan- 

 tageous than ought to have ensued from the amount of labour 

 bestowed upon it. Under these circumstances, we have deter- 

 mined to endeavour to continue our record of current ornitho- 

 logical literature on a better system. Commencing with the 

 present article, we propose to give in the October Number 

 of ' The Ibis ' of each year a short notice of every book and 

 paper having any claim to importance as regards ornithology 

 published during the previous year. In this we shall make no 

 exception, the papers of this Journal itself being included in 

 their proper places. 



All the notices will be arranged alphabetically under the sur- 



