On new Species of Nymphalidian Rhopalocera. 



17 



arabica among the Foraminifera that I have examined, have 

 no central canal, in which tliej thus decidedly differ from the 

 spicules of the Siliceous Sponges. 



^^ 



Fiffi 





^ig2 



Fig- 3 



Fig. 1. Tethya dactyloidea, natural size ; «, body ; b, pedicel ; r, root, or 

 filamentous extension into the sand. 



Fig. 2. Upper extremity, showing vent septated. 



Fig. 3. Vertical section of same, showing vent, cloacal cavity, and termi- 

 nation of excretoiy canals. 



Fig. 4. Trifid spicule. 



VI. — Descri^ptions of several new Species of Nymphalidian 

 Rhopalocera. By Arthur G. Butler, F.L.S., F.Z.S.,&c. 

 [Plate IX.] 

 The following species would, according to the arrangement of 

 Lepidoptera given in Westwood & Hewitson's ' Genera of 

 Diurnal Lepidoptera,' belong to three distinct families ; but 

 these divisions, 

 subfamilies of one large group 



according to Bates, must be regarded as 



Family NymphalidsB (Westwood, ^:)ar^.). Bates. 



Subfamily Heliconin^, Bates. 



Genus Heliconius, Fabricius. 



1. Heliconius Zelinde^ sp. nov. PI. IX. fig. 1. 



S . Alse supra fuscse, area basali nigrescente certo situ caerulescente : 



Ann. & Mag. N, Hist. Ser. 4. TW. iii. 2 



