( ai2 ) 



spots of the forewing, in the length of the latter and in some other details. The 

 smaller specimen, with a forewing of li"i mui. length, has the cell-patch of the 

 forewing reduced to two contignons spot.s standing one on each side of the middle 

 fold of the cell ; the discal spots M' — (SM') are very small, the ujiper one being 

 a mere dot ; the submarginal spots are also small. The black spots on the hindwiug 

 are large. The second and third abdominal segments are mesially black above. 



The second Kapaur specimen has a i'l ire wing of 114 mm. length. The white 

 spots of the forewing are larger, the second and third abdominal torgites are not 

 black in middle, and the black spots of the hindwing below are smaller than in 

 the iirst specimen. 



The forewiugs of imr two f f males of (/oUdtli titan measure 110 mm. and 

 1U3 mm. respectively. 



The following specimens are known oi goliut/c: 



a. Troides yoliath titan. 



1 c? in coll. Grosse-Smith : from British New Guinea. 



2 ? ? in Mns. Tring ; 



b. Troides goliath goliath. 



1 ? in coll. Oberthiir ; from Dutch New Guinea. 

 1 S in Mus. Tring ; „ „ „ „ 



1 cJ in Mns. Budapest ; from German New Guinea. 



2 2 



•^ + + JJ JJ JJ j» JJ JJ 



1 cJ in coll. Ney ; „ „ „ „ 

 2cJ(? „ Pagenstecher ; „ „ „ „ 

 t + ,, ,, ,, •, ,, ,, 



PIERIDAE. 

 ;>. Delias albertisi neyi. 



Delias neyi Ribbe, Lisektm-Borse xvii. p. .308 (1900) (Aroa R.); id., /;/s xiii. p. HIW. t. 8. f. 3 

 (inOO) ; Grose-Smith, Rlwp. Exol. iii., Delias t. 8. f. 1. 2 (1W)I). 



We have three J J of this form of albertisi Oberth. (= disc/i.s Hour.), two 

 found by Weiske and one obtained by Meek. In one of Weiske's specimens 

 the black discal spot of the underside of the hindwing is absent. Mr. Grose- 

 .Smith, I.C., made the suggestion that neifi was the c? of albertisi. Since the i 

 of neiji is rather more extended black on the forewing than the ? of albertisi, 

 while in other Delias the reverse is the case, the suggestion was hardly supported 

 by evidence. We have now the jiroof of its being erroneous. Among the 

 material collected by W. Doherty, at Kapaur, Dutch New Guinea, in January 1897, 

 there is a c? of albertisi, and we have lately received from Herr Ribbe one of 

 the original ? ? of {discus =) albertisi collected at Sekar by H. Kiihn. This 

 true 6 of albertisi differs from that of )ie>fi in the white area of the forewing 

 being much more extended, and in the discal spot of the hindwing below being 

 very large, as it is in the ? of albertisi. However, there can he no doubt that 

 neyi and albertisi are representatives of one another, being geographical forms 

 of one species. 



Note.— Delias kntJianna Ribbe, liiiekteii-Borse xvii. p. 308 (1900) is Drlins onii/lion Godm. and 



Salv., Pror. Zool Hor. Lonil. p. (313. t. 66. f. 5. cJ (1880) ((J $ , Pt. Moresby). 

 DvUas Juirkrii Ribbe, I.e., is a lluphiiia, being the same species us Hnphina uhiinrniis Wallace. 



