On new Species of Nymphalidian Rhopalocera. 



17 



arabica among the Foraminifera that I have examined, have 

 no central canal, in which they thns decidedly differ from the 

 spicules of the Siliceous Sponges. 



> 



Mg 4 



Figi 



Fig 2 



Fig 5 



Fig. 1. Tethya dactyloidea, natural size : «, body ; b, pedicel ; c, 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 excretory canals. 



Fig. 4. Trifid spicule. 



VI. — Descriptions of several new Species of Nymphalidian 

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

 [Plate IX.] 

 The following species wonld, according to the arrangement of 

 Lepidoptera given in Westwood & Hewitson's ' Genera of 

 Diurnal Lepidoptera,' belong to three distinct families ; but 

 these divisions, according to Bates, must be regarded as 

 subfamilies of one large group. 



Family Nymphalidse (Westwood, part. 

 Subfamily Heliconinm, Bates. 

 Genus Heliconius, Fabricius. 



Bates. 



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



$ . Ala? supra fusca?, area basali nigrescente certo situ caerulescente 

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



