568 Recently published Ornithological Works. 



SternincB in P. Z. S. 1876 (eigliteen years ago)^ united under 

 one heading the two species of Grey Noddy^ Anous (or Fro- 

 celsterna) ccerulens and A. cinereus. It is remarkable that 

 Mr. Stone's '^ careful study " should have allowed him to pass 

 unnoticed the fact that Mr. Saunders corrected this error in 

 P. Z. S. 1878 (pp. 211, 212), where he gave a full synonymy of 

 both species, and that in the same volume (pp. 272, 273) 

 Dr. R. B. Sharpe did the same, independently, as has been 

 dnly noted in 'Zool. Record^ for 1878, Aves, p. 59. Ac- 

 cording to Mr. Stone's views, Anous melanogenys, Gray, is 

 identical with A. leucocapillus, Gould, but the species to 

 Avhich Mr. Saunders applied the latter name is distinct. It 

 is accordingly renamed A. atrofuscus. 



The specimens of A. leucocapillus from Nihau which Mr. 

 Stone catalogues are probably referable to A, hawaiensis, 

 Rothschild. We may add that the explorer of the Congo 

 was Tuckey, not " Truckey," and that the Abrolhos were 

 named after Houtman, not " Hartman." 



99. Tschusi zu Schmidhoffen' s List of his Memoirs. 



[Meine bislierige literarisclie TbJitigkeit. 1865-1893. Seinen oruitho- 

 logiscLen Freunden gewidmet. Von Victor, Ritter von Tschusi zu 

 Schmidhoffen. 8vo. Halleiu, 1804.] 



The veteran Austrian field-naturalist Victor, Ritter v. 

 Tschusi zu Schmidhoffen, prints a list of his ornithological 

 memoirs from 1865 in 1893, which will be useful to students 

 of the European Ornis. They are 258 in number, besides 11 

 " varia." 



100. Wickmann on the Colour of Birds'-eggs. 



[Die Entstehung der Fiirbung der Vogeleier. Von Dr. II. Wickmann, 

 Miinster i. W. G4 pp.] 



In this interesting memoir the author traces the pigments 

 deposited in the shells of birds'-eggs to the ovary itself, where 

 they are derived from the blood. Presumably the different 

 colours have some relation to diiferences in the constitution 

 of the blood ; but the author admits that there are no exact 

 researches upon this subject, though he points out — using 



