IIYIHt ACIINA. 266 



acre. But the pond being stocked with perch about tint turn-, the 

 H\'lra<-hiMB became rare subsequently. 



'I'll' Jn MTV i u nuerous afterwards. I remarked tin- like in 



About that time. some. of many falling into ray poneasion, .-ur\ 

 abort .1 >'.,: 



The history of only a few specimens baa been preserved along with 

 tin- hrirf narrative. lor the purpose of illustrating the general and varied 

 features of a very singular race of living beings. 



PLATE LXVHI. 



Flo. 1. //y<Jratl*a cnumta. 



2. The same, enlarged. 



3. Another specimen, natural iie. 



4. Tho same, enlarged. 



5. Limb, enlarged. 



6. Spawn, enlarged. 



7. Young from the name, enlarged. 



8. Spawn of ffydrockna/erot. enlarged. 



9. HydnckM extoubmi. 



10. The same, enlarged, back. 



11. Tho same, enlarged, boll\ 



12. Spawn, natural size. 

 l.'l. Tho same, enlarged. 



14. Other spawn of the same, enlarged. 



15. Young from fig. 14, enlarged. 



16. Group of young from fig. 12, enlarged. 



17. Empty spawn, the young having boon disohargcd. 



18. Portion of the same, enlarged- 



19. //ydrackna peograpkita . 



20. The tame, enlarged. 



21. Hydnekna caudate. 



22. The same, enlarged. 



23. Spawn of Hydraehna tpana. 



24. The same, enlarged. 

 25. 



26. The ume, enlarged. 



2L 



