Australian Birds in the Collection of the Linnean Society. 189 
England: and the cuckoo, as they call this bird, singing by 
night, is one of the instances which they point out. The irides 
are yellow." In his references to one of the specimens in the 
collection, a young male, Mr. Caley notices some variation in 
. the colour of the irides. 
2. Macutata. N. supernè brunnea, maculis rotundis albis notata, 
abdomine ferrugineo-brunneo, maculis grandioribus; digitis 
pilosis. 
Capitis frons albo parce variegata; occiput, nucha, pectusque 
maculis albis parvis confertis notatæ. Dorsum, scapulares, 
tectricesque maculis pauló grandioribus rotundis albis parce 
instructæ. Abdomen ferrugineo-brunneum maculis gran- 
dibus albis. Remiges fusco-brunne: ferrugineo-fusco fas- 
ciate, fasciis pogonii interni ad basin albidis; prime ad' 
'quintam inclusam pogoniis externis plùs minüsve albido 
maculatis :. subtus pallidiores, fasciis basalibus albidis, api- 
calibus pallidé fuscis notatæ. Rectrices cineraceo-brun- 
nez pallido-fusco fasciatæ, fasciis pogonii interni prope 
basin albescentibus ; prime pogonio externo maculis albidis 
marginato: subtus pallidiores. Longitudo corporis, 11; 
rostri, 4,;; ale a carpo ad remigem tertiam, 8; caude, 5; 
tarsi, 11. 
— This bird much de the last species. Having however 
seen several specimens of it in fine preservation, we are at pre- 
sent inclined to consider it distinct. The chief points on which 
we ground this opinion are, that the latter bird is much smaller 
than N. Boobook, the colour is less ferruginous, and the white 
spots are much more frequent, and distinctly marked. "The 
fascie on the tail-feathers also in our bird are more conspi- 
cuous. : 
Genus. 
