Vol. XXvi] ENTOMOLOGICAL NEWS 1 5 



1906 KAMMOtcB, Paul — Symbiose zwischen Ocdogonium undubtum 



und VVaMcr jungferbrven. Wiencr-Fest-Schr. Wien.. pp. 



338-25X 

 1906 Lucas, W. J.— Foet of Dracoofly Nymphs. The Entomologist, 



Vol. 41, p. 16. • 

 1901 NcEDHAM. J. G. and Hast. C A.— The Dragoollies (Odonata) 



of Illinois. Part I. PMahtridac, Actrhnidae and Goiiiphtdae. 



Bull 111. State Uh. Nat. (ItsL VL pp. 1-94. 

 1901 Nkdram. J. G.— Aquatic Insects in the Adirondacks. Odonata 



BulL N. Y. Sute Mas. 47, pp. 4>9-54a^ pU. loc 17-25. 

 I9Q3 NiOBAM. J. G^Aquatic Insects in .N'ew York. Zygoptera. 



Bull. X. V. State Mos. 68. pp. 218-2761 pis. 5. ii-a& 

 1899 WitxiAMSo.K. hi H— The Drafooflies of Indiana. GcoL Snnr. 



Indiana Rcpt., pp. 229- jjj. 7 pb. 



EXPLANATION OF PLATE I. 



Fig. I. A view of Catcadilb Crrck. Collcctinff froonds in the fore- 

 ground. Photo by Anna H. Morgan. 



Fig. 2. Cascadilb Pood cndosure with nets and cifca oacd in experi- 

 ments. The weeds and algal nau characteristic of the pood are 

 shown in the foregroond. 



Fig. J. Median gill plate of nympb of BmaUagwm tbrimm llagcn. 



A New Pieris from Cuba (Lepidoptera). 

 By CiiAKLKs T. Ramsdbn, Gnantanamo, Cuba. 



Piaris mandaa n. sp. 



Male: F . a pa nse (one wing) 32 mm. Female: Expanse (one wing) 

 2915 mm. 



i . Primaries white, with the faintest tinge of ydlowisli glancoas 

 (Ridgway). The outer half of the costal edge and the upper half of 

 the outer margin, faintly edged with bbck. The central reins of the 

 primaries are overbid with chalk-white scales, in the form of streaks 

 or bands 2.5 mm. wide; they do not reach the ootcr nargin. 



Secondaries of the same color as the primaries, with die chalky- 

 whitr scales confined mostly to the disk. 



Underside. Primaries as above, except that the costal edge and tfie 

 tips of the wings are ivory-yellow or massicot-yellow (Ridgway). 

 Secondaries immacubte and massicot-yellow. 



Thorax and abdomen white; the legs die color of the underside of 

 ttv rtcK. Antemue black above with the extreme of the club 



