210 ■ Mr. 0. L. Simmons on the 



whitish ; wings pale, whitish in parts, with the marginal 

 bands and spots on fore wings visible. 



Expanse of wings y^-l inch. 



Cherra Punji. Two examples. 



Much resembling Nymphula ii-isalis, Walker, from Sierra 

 Leone. 



Genus Cymokiza, Guen. 



45. Cymoriza albicomma, sp. n. 



cJ. Reddish oehreous, suffused in parts with brownish. 

 "Wings with a small wliite spot ringed with black at the end 

 of each cell : fore wings with a white comma-like mark from 

 costa one third from base ; a short wliite band from costa one 

 fifth from apex to the middle of the wing ; a short thin white 

 streak inwards from this band near and parallel to the costa ; 

 another similar streak lower down, which runs into the cell- 

 spot ; a submarginal white line, which curves inwards above 

 the hinder margin and is here thicker, also a fine marginal 

 white line ; all these white lines, bands, and streaks are 

 bordered on each side with black, the black line on the inner 

 side of the marginal white line being composed of black 

 luuules : the hind -wing has the white baud from the costa 

 near the apex and the submarginal and marginal lines similar 

 to those on the fore wings, except that the submarginal 

 line stops before reaching the anal angle. 



Expanse of wings yu inch. 



Shiliong. One exaaiple. 



The fore wings are marked somewhat like Ambia locuplesy 

 Butler. 



XXX. — Development of the Lungs of Sjn'ders. 

 By OiiviLLE L. Simmons *. 



[Plate VI.J 



Althougu several persons t had suggested the close affinity 

 of the Arachnids and Limuhis, it was not until the appear- 

 ance of Lankcstcr's paper " Limulus an Arachnid" (188P) 

 that the view of such a relationship came into prominence. 

 Since that date it has attracted more and more numerous 

 advocates, until now the majority of the special students of 



* From the 'American Journal of Science,' August 1894, pp. 119-128. 

 f Straiis-Durcliheim (teste Lanlcester), ran Bouedeii (1870). 



