137 
Localities for this species are Selby, Buttercrambe 
Moor, Huddersfield, Scarborough, York, Plymouth, Nun- 
burnholme, Charmouth, Barnstaple, Sherwood Forest, 
Carlisle, Cambridge, Birch Wood, Bristol, West Wickham, 
Lewes, Maidstone, Brighton, Killarney, Exeter, Dorking, 
Lyndhurst, Newnham, Horndean, Preston, Manchester, 
Pembury, Malvern, Stowmarket, Northleach, Tenterden, 
Sudbury, Worthing. 
The situations where it is found are woods and lanes. 
The perfect insect appears in July. 
The caterpillar is green with prominences tipped with 
red on the second, sixth, seventh, eighth, and ninth seg¬ 
ments, a red line on the back on the tenth, eleventh, and 
twelfth, and a yellowish line on the sides. 
The date of the appearance of the caterpillar is in 
May and June, August and September. 
It feeds on the nut, the birch, the beech, <fcc. 
The chrysalis is enclosed in a cocoon among leaves. 
GEOMETRA SMARAGDARIA. 
ESSEX EMERALD. 
Plate XXII. Figure 1. 
This insect measures from a little over an inch and 
a quarter to one and a half in width. 
Male: fore wings rich green inclining to dull yellow on 
the upper margin; the first line is whitish and waved; 
second line also white and waved; central spot white. 
Hind wings green, paler at the inner corner. The antennae 
are slightly pectinated. 
