.V7<:ir DRAGON-FLY N YMl'llS—yEEDIIAM. 7lV) 



the iniddlc bv a suture into two piirts, of Avliicli the l)asjil is thirkor 

 and nioic stronj^ly chitinized and has spiindose edt,n's. On the dorsul 

 side tiie brown of the skin is dividetl l»y a })ale. narrow, long-itudinal 

 line, close ])eside which is a pair of blackish dots upon the apex of each 

 segment. 



EXPl.AXATIONS OK IM.ATKS. 



Pl.ATK X X X \' 1 1 1 . 



Fij,'. 1. Xyinph of Gomphoides sligmatus from Texas. 



2. Nymph of Pliijllogomphaa athiopsf from the Congo. 



3. Labium of the same. 



4. Nymph of Ophioijoinphns hisoii from Lake Tahoe. 



5. Part of lal)inm of same. 



6. Cast skin of nympli of Goiiijilnia iiiijiiitus from Florida. 



Plate XXXLX. 



Fig. 1. Nympli of Staurophlebia rdicniuta from Xit-aragua. 



2. Labium of same. 



3. Nymph of Chrdnlegafikr dorsdlls/, witli labium partly opened. 



4. Nymph of Paltothemis Unealiprti from California. 



Plate XL. 



Fig. L Cast skin of nymph of Anax longipesf from Jamaica. 



2. Nymph of Anax gnttatnsf from Java. 



3. Nymph of ^Eschna galnpagoensiii from Chatham Island. 



4. Nymph of Tranwa enri/alef from Java. 



5. Nymph of Pantala Jiavescens from Java; 



Pl.\te XLI. 



Fig. L Nymph of lilnjothemla jilnjUix.' from Java. 



2. Lateral view of the same. 



3. Nymph of Crovothemh sn-vlliit/ from Java. 



4. Nymph of Orilwlrum leptuntinf from Java. 



5. Lateral view of the same. 



0. Xymph of Trithemls aurorn.^ from Java. 



7. Lateral view of the same. 



8. Nymph of Diplacodes irivialia from Java. 



9. Lateral view of the same. 



10. Nymph of D-iihemis minuscuhi from Florida. 



n. Lateral view of unidentified Libcllulid nymph from Java. 



12. Dorsal view of head of same. 



Pl.\te XLIL 



Fig. 1. Nymph of Libellula satuntta. from California. 



2. Nymph of Diithemis relax/ from Texas. 



3. Nymph of Archilesles grandi.s from Arizona. 



4. Nymph of Argia spJ from Rocky ^Mountains (hot springs). 



5. Nymph of Hgponeura lugeiis from New IMexico (gill det;u-hed). 



Proc. N. M. vol. xxvii— 03 50 



