VERTEBRATA 



Xenacanthus, evos strange, 



spine, spike, 5 

 Xenarthra, evos strange, abnormal, 



apOpov joint, 41 

 Xenicus, evtKos outlandish, 38 

 Xenopus, evos strange, TTOVS foot, 



16 



Xenosaurus, evos strange, 25 

 Xiphias, i</uas the swordfish, 9 

 Xiphodon, i(os sword, 48 



YUNX, LVJ the wryneck, 37 



ZAMENIS, 29 



Zanclodon, 22 



Zeuglodon, {evyX^ the strap, loop 



of the yoke, 44 

 Zeus, 9 



Ziphius, t<ios the swordfish, 44 

 Zoarces, fo>a/)K?js life-preserving, 22 

 Zonosaurus, (01/77 girdle, 26 

 Zonurus, 001/77 girdle, ovpa tail, 26 

 Zygaena, vyatva the hammer- 

 headed shark, 6 



THE END 



Printed by R. & R. CLARK, LIMITED, Edinburgh. 



