THE COLORATION PROBLEM. 125 



Time.— 8.89. Sex.— a^. 



Food. — Brown larvas which did not look like Lepidopterous larvte. 

 There followed 13 visits with unidentified food. 



Observer. — E. H. Curtis. Time.— Morning. 



Date. — June 18th, 1915. Duration. — 1 hour 55 minutes. 



Twenty visits wera recorded, but E.H.C. was unable to identify the 

 food on a single occasion. 



Observer. — W. P. Curtis. Time. — Morning. 



Date. — June 20th, 1914. Duration. — 2^ hours. 



Time.— 7.32. Sex.—? Food. — Unidentified. 



Time. — 7.40. Sex. — ? Food. — Partly by regurgitation. 



Time.— 7.46. Sex.—? Food.— Unidentified. 



Time.— 7.50. Sex.—? 



Food. — A number of Diptera and Hymenoptera of no great size. 

 Here follow three visits with unidentified food. 



Time.— 8.3. Sex.— ? . 



Food. — Larvae, apparently of Hi/bernia. 

 Here follow two visits with unidentified food. 



Time.— 8.20. Sex.—? Food.— Larvfe. 



Here follow three visits with unidentified food. 



Time.— 8.35. Sex.— a^. 



Food. — Tvv'o small moths about the size of a Xanthorhue (Melanippe) 

 fluctuata and various other oddments. 



Here follow six visits, five with unidentified food, and one when 

 the ^ was frightened off by a sparrowhawk. 



Time.— 8.56. Sex.— t? . 



Food. — A grey Noctua, rather smaller than Acroidcta /):<i. [On 

 subsequent reflection I think this may have been Cleocera vhninaLu, 

 which does occur, though as far as I can make out very very sparingly, 

 that is the only Noctua which fits in really well.] 

 Here followed three visits with unidentified food. 

 [I had to stop at this point. E.H.C. wanted m}^ tall steps, tripod 

 and tent to put up to a pair of Picus viridis he wanted to try in colour. 

 However, I thought it would be interesting to see what would happen 

 if I offered the young, which were now nearly full-grown, a moth, so I 

 netted a L'abera pnsaiia, inserted into a little cleft in a stick and held 

 it up to the hole ; just for a second the young bird held back, but the 

 moth was too great a temptation and he went for it like a hungry bass 

 going for smelt, and then leaned out of the hole in our direction and 

 chattered vigorously. Later in the day I got a small hiding tent, and 

 to make up for increased distance discarded the camera and used my 

 binoculars.] 



Time spent like this totalled 2| hours. 



Time.— 2.7. Sex.— <y. 



Food. — " Small food." See note above. 

 Here followed three visits, once unidentified and twice by regurgi- 

 tation. 



Time.— 2.40. Sex.— ? . 



Food.— Partly with larvfe and partly by regurgitation. 



