FURTHER NOTES ON THE BIRDS OF GILQIT. 265 
females solely by differences of colour, I find they measure 
as follows :— 
Form A. 
Wing-measurement, Locality. Season. 
Inches, 
2 eee eee Sikkim eee eee ace March. 
2°65 eee eee ” eve eee eee November. 
ZHD ives eee ASEOPE ans a es. September. 
OO ack eee Sikkim ... as eo. November. 
26 ove sas Gilgit... eee ees September. 
26 eco eee Yassin wee eee eee August. 
ZG es, -cc Cashmere soc eee May. 
2°55 eee eee Murree erry eos eee Undated. 
2°55 eee eve Astor... sa ... September. 
Form B. 
Wing-measurement. Locality. Season. 
Inches, 
On Kens eee Astor eee eee eve July. 
26 sos) .@caghmere... aaa ay sa 
2°6 wee eee Deosal ose =A5 oh 
2°55 eee coe Chenab valley eee Aaa May. 
2°5D eee eee Gilgit een eee eee April. 
DD. ees eee Cashmere one eee July. 
ae eee aee ” eee eee eve May. 
Oo bes eee Gilgit eee eee eee ” 
ZiOW recs i ia eee eee ... June, 
. 2°45... eee ” eee eco ese April. 
2°4, eee eee ” eee eee oe July. 
2°4, eee eee Cashmere... eee ee Undated. 
2°4 eee eee Simla eee eee eee July. 
2°4, ete eee Cashmere:e. cece eee May. 
2°35 eee eee ” ete eee eee Undated. 
Five specimens, which I am unable to separate by differ- 
ences of colour, measure as follows :— 
Wing-measurement, Locality. Season, Sex. 
Inches, 
Gs cee GUISIE tere) Mesa ABE eos §«©—-s Wnsexed, 
a Occ seen vlecenutiess eos JANUATY eee 2 
26 ... ... Wakhan... ee April “0c 2 
PAD) cep eee Meerut ... es January ... Unsexed. 
2-6 ... esp oo exileitiy).c. a2 April hi ? 
Now it cannot be denied that these measurements overlap 
considerably, especially among the females; but the fact 
remains that, after separating forty-three specimens solely 
by colour and markings (omitting the last five undetermined), 
those of one form average considerably larger than those of 
the other, and that the greatest divergence in colour is shown 
between those which differ most in size. It may be that 
the specimens that overlap in measurement are to be account- 
ed for by bybridism—an explanation that no ornithologist 
