POLYOMMATUS ICARUS. 117 



t, — Left side g , right side ? ; the red marginal spots on the ? side very 

 ■distinct ; the ? side smaller, and the wings rounder than on the g side. Captured 

 flying in a chalkpit at Arreton, Isle of Wight, June 6th, 1878 (Rose, Enl., xi., 

 p. 209). 



k. Left side g , right side 2 ; the latter brown, slightly suffused with blue 

 towards base of forewing and base and anal half of hind-margin of hindwing, the 

 submarginal spots only faintly indicated. Beneath, both sides nearly alike, except 

 that, on the right side ( 2 ), the submarginal orange spots are much more distinct 

 than on the left ( g ) side, especially on the forewings, and the lower basal spot and 

 lower submedian spot are of the arcuata form. The body appears to be g 

 examined under a low power. Captured May 30th, 1873, on Darland Hill, near 

 New Brompton, Kent, and is rather below the average size (J. J. Walker, in litt.). 

 A. — Left wings g , right wings ? ; the left wings blue and larger than the 

 right, which are brown, with yellowish-red marginal spots, and pale blue shading. 

 The underside of the left wings typically g , of the right wings typically ? . The 

 right antenna wanting. Body in form and colour (blue-scaled) g , with distinct 

 •clasp. Obtained from Thuringia in 1895, through Strahler (Schultz, Ent. Zeits. 

 Guben, xiii., p. 127). 



a. — Left wings g , both upper- and underside ; the right wings 2 , the upper- 

 side bright blue as in ab. caerulea, the orange lunules on this forewing being present 

 but not clearly defined, whilst those of the hindwing are partly absent (Sabine, 

 Ent., xxx., p. 296). 



v. — Left side g , right side 2 , both' wings and antennae ; body more like that 

 of <f in appearance. Genitalia indistinct ; captured 1896. In the Hartmann coll., 

 Reichenbach (Schultz, Woch. fiir Ent., ii., p. 365). Hartmann's collection is now 

 (1910) dispersed (Gillmer). 



f. — Hermaphrodite, exhibited by J. A. Clark, at the City of London Entomo- 

 logical Society's meeting, April 27th, 1897 (Trans. City Lond. Ent. Soc, 1897, 

 p. 17). Left side g , right side ? . Abdomen apparently <? . Captured Dover, 

 July 7th, 1873 (Burrows, in litt., September, 1907). Sold at Stevens', December 

 7th, 1909 (lot 143), for las., to Dr. T. A. Chapman. 



o. — Hermaphrodite, exhibited at the City of London Entomological Society's 

 meeting, April 27th, 1897, by J. A. Clark (Trans. City Lond. Ent. Soc, 1897, p. 

 17). Left side g , right side ? ; anal end apparently i . Captured at Eltham, 

 July 10th, 1894 (Burrows, in litt., September, 1907). Sold at Stevens', November 

 2nd, 1909 (lot 110), for lis., to Pickett. 



7r. — Left side g , 12*5mm. along costa ; right side 2 , 14-5mm. along costa ; 

 sharply divided, each side without a sign of the markings of the opposite sex. 

 Locality unknown. Staudinger coll. (Bang-Haas, in litt.; Schultz, Woch. filr 

 Ent., ii., p. 365). 



p. — Left side g , right side 2 , both measuring 13mm. along the costa; each 

 side sharply separated from the other. San Ildefonso, August, 1884. Staudinger 

 •coll. (Bang-Haas, in litt.; Schultz, Woch. fiir Ent., ii., p. 365). 



s. — Left side g , right side 2 . The left side of the body (thorax and 

 abdomen) velvety, whitish mixed with blue, the right side less velvety and brown ; 

 the two right wings slightly smaller than the left. Underside left wings pale 

 grey, right wings brown -grey. Captured at Tramelan in the Bernese Jura. In 

 coll. Geneva Museum (Blachier, in litt.). 



t. — Left side g , right side ? . From Schonefeld of Leipzig. In the Royal 

 Natural History Museum, Berlin (Schultz, Berlin Ent. Zeits., 1904, p. 81). 



v. — Left side g , right side ? . Captured by Balkowsky, near Kiew (Russia), 

 between June 10th-23rd, 1904. In coll. Balkowsky (Ent. Zeits. Guben, xix., 

 p. 156). 



0. — Left side g , right side 2 , Mason coll. Sold at Stevens', March 14th, 

 1905, for 18s. (Ent., xxxviii., p. 114). Now in Keynes' coll. Both sides 14mm. ; 

 underside approaching ab. arcuata on g side, normal on 2 side ; the genitalia 

 appear somewhat abnormal, but the specimen is too old and dried to determine in 

 what way. Labelled, when bought, "Edwin Shepherd" and "P. Bouchard, 

 bought alive" (Keynes, in litt., December, 1909). 



X- — Left side g , right side 2 . Briggs' coll. (Ent., xi., p. 101). Taken at 

 Dover by Chatwin, in 1874. Sold at Stevens', October 22nd, 1896, for £3 3s., to 

 Maddison (Briggs, in litt.; Ent. Rec, viii., p. 272). Left side g , right 2, 

 marked with blue ; sold February 23rd, 1909, at Stevens', for £1 15s., to " Noakes," 

 for Joicey (L. W. Newman, in litt.). 



\f/. — Left side g , right side 2 . Briggs' coll. Captured with the preceding at 

 Dover, by Chatwin, in 1874. Sold at Stevens', October 22nd, 1896, for £2 2s., to 



