I.TFK-HISTOKIES. 339 



cnmnies in nature, but tbere is no pressing out of shape, and some 

 eggs are attached to the side of the box, which makes the suggestion 

 quite problematical). [Described August 19th, 1903, from eggs laid 

 the preceding day by a $ captured on the Brevent.] The eggs 

 rapidly become brighter orange, and in the course of two days exhibit 

 quite a red tinge, due to crimson speckling, the colour finally becoming 

 quite bright red, August 23rd, 1903. [These descriptions were made 

 independently, under the idea that the females belonged to different 

 species.] 



Gnophox obfitHcata. — The eggs, which I believe were bright green 

 when first laid (I unfortunately have no note), are oval in outline, and 

 narrower at the micropylar end than at its nadir. The length : width 

 as about 5 : 4, and there is no marked depression on the upper surface 

 of the egg (at first sight, therefore, the Qgg appears to be very different 

 from that of G. t/laucinaria). The surface is covered with longitudinal 

 ribs (from micropyle to its nadir), crossed by numerous rings of 

 transverse ribs, giving the sculpture a latticed appearance, and showing 

 series of ladder-like pits extending from the micropylar area to its 

 nadir. The apical area is of a beautiful purple colour (largely due to 

 reflected light), the micropyle itself being very distinct, and surrounded 

 by a roughly polygonal or quadrangular reticulation, the termination 

 of the ladder-like sculpture with which the surface of the egg is 

 covered. (The egg suggests to me grave doubts as to whether this 

 species and G. iflaucfnarm can possibly belong to the same genus ; 

 close comparisons of larv® and pupfe are very desirable.) [Described 

 August 10th, 1903, from eggs laid by a ? captured at Arolla on 

 August 2nd.] 



Aciilalia contitjaaria. — The egg is flat, oval in outline ; the length : 

 breadth as about 5 : 4 ; the upper surface irregularly depressed, 

 generally the depression is less marked towards the micropylar end 

 than towards its nadir ; the surface is covered with minute pits, 

 apparently arranged in regular longitudinal series (but this is difficult 

 to make out with the power at disposal). The colour (which, I believe, 

 is pale pearly-yellow when first laid, although I unfortunately have 

 no note) changes slowly to a pale orange, gaining its full tint about a 

 fortnight after being laid. [The eggs described were laid on July 29th, 

 1903, and following days, by a 5 captured the preceding day at 

 Useigne, the description being made on August 10th.] 



Aeidalia fnmata. — Really a flat egg, somewhat oval in outline, but 

 with blunt ends, making it almost cylindrical ; length : breadth as 

 about 4 : 3. The egg is usually, however, laid on one of the small 

 ends, in the same manner as an upright egg, with the micropyle at the 

 apex. It is of pearly-yellow colour, finely ribbed (14 to 16 ribs) 

 longitudinally, i.e., from the micropylar area to its nadir; a large 

 number of exceedingly fine parallel ribs appears to surround the egg 

 between the longitudinal ribs. The longitudinal ribs appear to end on 

 the shoulder, the flattened apical area being strongly pitted right up to 

 the micropylar rosette (a few of the eggs are laid as flat eggs, and in 

 such eight ribs can be counted on the upper surface). After a few- 

 days the eggs become irregularly spotted with crimson. [Eggs laid 

 at_ Arolla on August 5th, 1903, described on August 10th ; the 

 crimson-spotted eggs were laid some four or five days earlier than this.] 



Aeidalia incanata. — The eggs are laid as upright eggs. Each is 



