PAriLIONrNAK: LAKUTIAS PIULENOR. 1251 



stiitcs (Can. ent.. ix : 200) that. a full thii-d of a liiindred specimens exam- 

 ined by him for the purpose showed the eyes smeared with a cluster of such 

 pollinia, from tiiroe to forty in nunil)er. 



Doubleday describes the flights of this butterfly as rather low and not 

 very powerful. AVhen hanging from a horizontal support, while the wings 

 are drying after eclosion, the legs are bent at the femoro-tibial articulation 

 to a noticeable amount, showing considerable muscular power at this early 

 and flaccid period ; tlic body hangs at a general angle of about 50° with 

 the support, the abdomen with a sigmoid curve, its tip horizontal; the 

 antennae have the curve they ultimately retain, are horizontally extended, 

 and divaricate about 110° : but if disturbed they will bring them together 

 a little, so as to be at right angles with each other. 



This buttei-fly appears to be very tenacious of life ; at least, in one 

 instance, a male just emerged was put for fully half an hour in a strong 

 cyanide bottle and then stretched ; three days later it was found to be 

 alive. 



Edwards states that the butterfly has a strong and disagreeable scent, 

 but does not state whether it is confined to either sex. 



As is well known, the inner margin of the hind wing of the male is re- 

 flexed (45 : 4, 5) and conceals androconia. On artificially raising and 

 lowering the abdomen of afresh specimen, this fold opened and shut, espec- 

 ially at the end nearest the base of the abdomen, by which it appears that 

 the opening and closing of the same is under the control of the insect. 

 Fritz Miiller, observing this same fold in other swallow-tails, remarked 

 that it could be expanded "by moving the wings strongly in a forward 

 direction,"' and in some species he has discovered, not always, however, 

 connected with this reflexed margin , '-a very strong odor." In the single 

 opportunity which I had, after reading Midler's notice, of examining a liv- 

 ing male fi-esh from the chrysalis, I carefully removed the androconia from 

 this patch by scraping it with a knife, thereby bruising them and increas- 

 ing the chance of odor, but was unable to perceive the very slightest, from 

 the bruised scales, the fold or the whole creature. 



fixpsriinents with cold. Mr. W. H. Edwards once placed nine 

 chrysalids, at from six to thirty-six hours old, on ice and left them there 

 for twenty-three days. Only one survived the test, and this gave the but- 

 terfly unchanged ; he does not say how long the chrysalis stage was 

 lenjithened. 



Desiderata. The seasons of this insect in its various stages, whether 

 in the north or south, are very imperfectly defined. We do not even know 

 satisfactorily how it passes the winter. At what latitudinal line do the 

 two broods change to more ? The disparity in the reported duration of the 

 chrysalis needs explanation ; and neither the flight nor the postures of the 

 butterfly have been adequately described. Does it enjoy any special im- 



