5° 



the lowest part being pointed, with yellow scales on the 

 brown. 



Abdomen ashy-grey white, laterally pale yellow, anal 

 tuft reddish ochraceous brown [the brown of the under 

 surface of the wings is warm silky rufous] . 



Length of costa 72 rams. [See plate 22a, figs. 4, 5.] 



$ . The black area of the primaries within the discoidal 

 cell, outside the median for a short and varying distance, 

 and around the stigmatic brand, is very lucent, and ac- 

 cording as the light is directed upon it exhibits the 

 richest tints of opalescent blue-green, purple, salmon, and 

 violet, a scheme of unobtrusive beauty rarely to be equalled 

 among the lepidoptera ;* the black atoms in the discal 

 spaces of the secondaries, the lower part of the cell, and 

 the abdominal margin are more densely applied, so that 

 the abdominal margin is almost quite black ; only 4 

 contiguous green- golden submarginal spots, three with 

 golden centres. On the under surfaces all the wings are 

 intensely silky greenish golden viewed opposite the light, 

 with 3 submarginal brownish golden spots on the secon- 

 daries, and the abdominal marginal area a glowing golden 

 yellow undiluted by green. 



Length of costa 77 mms. [See PI. 21b, figs. 1, 2.] 



Habitat of all the above, Guadalcanar, Solomon Islands. 



I am indebted to Mr. Henry Grose-Smith, the possessor 

 of a magnificent collection of Rhopalocerous Lepidoptera 

 rich in novelties, which he is constantly communicating 

 to the world in his valuable " Rhopalocera Exotica," for 

 the free use of the examples from which all these and 

 other drawings and descriptions have been made, and I 

 have much pleasure in specially dedicating these plates 

 to him, as a slight acknowledgment of his kindness in 

 trusting such valuable treasures away from his cabinet, 

 for the assistance of a brother worker and the good of 



The type of the 2 of this species, which is in the 

 British Museum, although the wings are considerably 

 perforated, in consequence of its having been shot, asthe 

 only means of securing the insect, is nevertheless in a 

 sufficiently good condition for reference or study. While 

 there are very few important differences between the 

 markings of this and other examples since captured, we 

 may regard it as the best of typical representatives in those 

 markings. The light discocellular patch of the upper 

 wings, which varies so much in the different examples of 

 the species and also those of Regi?i<x, may be considered 

 normal in design, as it commences at the base and extends 

 uninterruptedly along fully 2-3rds of the length of the 

 cell, is rather yellow at the basal end, becoming more 

 buff white as it nears the distal end, and is excised almost 

 into an arch from the median nervure obliquely transverse. 



In a series of examples studied together we should 

 observe as many variations from the completeness and 

 extent of this patch as there were specimens. For 

 example: — ■ 



(a). The light area is yellower from the base, with no 

 lower excision, and only a small cuneiform spot above. 

 [PI. 22b, fig. 1.] 



(b). On the underside the discoidal patch is considera- 

 bly excised above, and a number of yellow atoms are 

 sprinkled over the remaining black area of the cell. 



[PL 22a, fig. 3.] 



(c). The patch on the upper side of the wing in the cell 

 is divided broadly and transversely by black — the outer 

 portion is the least extensive, and does not quite reach 

 to the subcostal nervure, while the basal portion is a rich 

 yellow, and is bounded above and below by the subcostal 

 and median nervures — a few yellow atoms tending to link 

 the two patches. [PL 22a, fig. 1.] 



(d). The discocellular patch divided obliquely trans- 

 verse, being only faintly united at the top by thin lines 

 of yellow atoms ; a part of the basal yellow area obliquely 

 removed by the encroachment of the black ; the outer 

 white portion irregular in outline, and nearly separated 

 about midway. [PL 22c, fig. 1.] 



(e). Light patch of the cell reaching nearly 4-5ths of its 

 length from the base — the basal portion long, and narrow- 

 ing to a point near the 2nd or outer division which is 

 obliquely transverse, irregular in outline, and much larger 

 in proportion ; it is also quite white, as are all the mark- 

 ings of the upper wing, except slightly at the base, where 

 it is yellowish. In the author's museum. [See pi. 22c, 

 fig. 2.] 



(/). The discocellular patch 2-3rds of length of cell — ■ 

 the basal portion much smaller, and separated from the 

 discal part by a dark area about i-4th the length of the 

 cell — the distal marks being very narrow, obliquely trans- 

 verse, and irregularly sinuate on both sides ; also white. 

 [Author's coll. PL 22c, fig. 3.] 



(g). A similar arrangement — the basal and distal divi- 

 sions being nearer together, and each slightly larger. 

 [PL 22c, fig. 4 In the author's coll.] 



All these observations except u (b)" refer to the upper 

 surface of the primary wings. 



On the under surface of the secondaries the following 

 variations may be observed. 



(a) . The anterior margin and subcostal area with the 

 base of the discoidal cell entirely yellow. [PL 22a, fig. 3.] 



* It may be unscientific, but I cannot refrain in this place from expressing my 

 admiration for the evidence which such a beautiful arrangement affords the reveren- 

 tial student of the existence and immanent activity of a Divine intelligence in the 

 order of creation. If the stigmatic brand is to be rendered conspicuous, seeing that 

 its colour is only slightly blacker than the blackest portion of the wing, and that it 

 is Mack placed on black of nearly the same intensity, it will be evident that some 

 method must be adopted in order that it may not be lost to sight ; hence a Divine 

 wisdom and skill has adopted the method described in the text, and with that love 

 of beauty which the Divine artist incessantly manifests, a wonderful loveliness is 

 allied to the plan of utility, and two purposes served by the same means. I fully 

 and unreservedly accept the laws of evolution as the chief methods by which the 

 wonders of the universe have been brought to their present glory, but in the working 

 of these we may be certain that the mind of our God, Creator, and Father is the 



only efficient cause, and that every result in creation has its origin in the infinite 

 depths of His will. How then can we help trusting and loving Him, and admiring 

 His works ? It is easy to a rightly-constituted mind to find Teleology and Evolution 

 quite in harmony with each other ; and while we shall ultimately be satisfied that 

 the dominion of law extends throughout all the realms of the Cosmos, and the 

 mental and the spiritual infinitudes from eternity to eternity, we shall know that in 

 Him we have the law-giver, and the executor of that law. Referring again to the 

 device of the stigmatic brand, some examples of 0. (Priamoptcra) Urvilliana have 

 arrived in England in which the stigmatic brand is rendered more conspicuous by 

 its being semi-diaphanous, so that when in flight the light is transmitted through 

 the wing from the bright colour of the underside, and the stigmatic brand therefore 

 glows with a soft transmitted light ! A specimen is in Mr. Rothschild's collection 



