SEASONAL EOEMS 583 
purplish markings (especially the borders of the apical pink patch) 
are more conspicuous. 
I do not give the results as set out in the following table with 
much confidence, and the division of the intermediate specimens 
into those inclining rather to “ wet ” or to “ dry ” respectively should 
not carry much weight. Subject to these limitations, it will be seen 
that the specimens considered as “ wet ” were commonest at the 
two extremities of the period, those considered as “ dry ” prevailed 
throughout the first half of February. 
Terias enterpe, Menet. (Jamaica). 
Place. 
Dry. 
Intermediate. 
Wet. 
Date of capture. 
Constant Spring . . 
6 6 
6 9 6 
6 6 6 9 
81 Dec.—4 Jan. 
... 
6 9 
6 
8-10 Jan. 
Castleton .... 
9 
6 6 
9 6 
11-12 Jan. 
Mandeville .... 
6 9 9 6 
6 6 6 
17-22 Jan. 
Mackfield .... 
6 9 
69966666 
9 6 
24—27 Jan. 
M .... 
9 
6 9 9 9 6 6 6 
... 
29 Jan.—2 Feb. 
Montego Bay . . . 
9 
. • • 
4 Feb. 
Walderston.... 
... 
6 9 6 
... 
8-14 Feb. 
Christiana .... 
6 
6 6 
... 
16 Feb. 
Walderston.... 
9 
9 6 9 
9 
18 Feb. 
Port Antonio . . . 
6 9 6 
25 Feb.—1 Mar. 
Constant Spring . . 
... 
6 
7 March. 
Total . . . 
66,69 
20 <5 , 10 $ ; 5 6 ,2 ? 
7<5,4? 
Terias delia , Cram. (Jamaica, N. Coast of S. America). The 
extreme seasonal forms are quite distinct. 
£ Upper Side. 
Wet-season form .—Ground pale yel¬ 
low ; costa broadly black; longitudinal 
black stripe broad. 
Dry-season form. —Ground full yel¬ 
low; costa faintly grey; longitudinal black 
stripe narrower. 
? Upper Side. 
Wet-season form. — Ground white; 
costa broadly grey. 
Dry-season form. —Ground of fore¬ 
wing pale yellow extending to costa. 
Under Side. 
Wet-season form. —Uniformly white. 
Dry-season form. —Hind-wings and 
costal three-fourths of fore-wings yellow 
irrorated with brown. 
$ Under Side. 
Wet-season form. —Fore-wing white ; 
border pale yellow; hind-wing pale 
yellow irrorated with grey. 
Dry-season form. —Fore-wing yellow, 
its tip and all hind-wing pinkish-orange 
irrorated with darker. 
