LIST OF CUTS 



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|Expla:«atiO!« of numbers im all the figures.— 1. Head from above ; 2, Uo. from side; 3. Do, from 

 liilow; 1, Interior uf mouth; 5. Palate enlarKed: 0. Forefoot, from below; 7. Hind foot, from 

 liclow, I 



Page. 



Fig, 1. Chondrocranium niul cranial nerves of Salamaudra, from the side; 



.iagramniatic ; from Wiedersbeim ,... <) 



2. The same as Fig. l.from below 10 



\i. Xtcturiin macnlatus Kaf, ; No. 8t?15; Mount Carmel, 111.: Amhlyatoma 



inixicaiium Wagl., larva; and Chondrotus tenebrosua 15. & G,, larva; 



California 24 



4. Xtclurits punctatiix Gibbs; No. 1181;}; natural size; Charleston, S. C. 27 



T). Criiptobraiichua ulhijheniennia Hurl. ; No. 9572; Pennsylvania 39 



(!. CriiptohraiichiiiifuscusHiAhr.; No. 7003; Knoxville, Teuu 43 



7. Amhhistoma tiilpoideum Holbr. ; No. 3879; natural size; Prairie Mer 



Rouge, La 53 



8. Amhlystoma opacum Grav. ; No. 3751 ; natural size; Gloucester, Va.... 55 



9. Amblyaloma puiictatumL\mi.; natural size; Hampshire County, Va . . 60 



10. Amblyitloma vonspersum Cope; No. 3934; natural size; Carlisle, Pa. 



S. F. Baird. 62 



11. AmbU/ntoma copeiaiiitm Hay; from drawing in Proceedings National 



Museum by Prof O. P. Hay: Irvington, Ind 65 



12. Amblystoma tigrinum Green; No. 4691; natural size; West Northtield, 



111 '. 68 



13. Ambhintomatigriniim Green; No. 40.59; natural size; Fort Ripley, Minn. 74 



14. Amblyntom(t xiphias Coiw; No. 14470; natural size; Columbus, Ohio.. 88 



15. Amblyntoinajvffvraoniannm Green; No. 3968; natural size, except 5 = f, 



from Green's type; western Pennsylvania 91 



16. Amblysloma jefersonianum fuscum Hallow.; No. 3897; natural size; 



Clark County, Va 92 



17. Amblystoma macrodactylinn Baird; No. 4042; J natural size; Astoria, 



Oregon 9G 



18. Amblystoma npixanthum Cope; type; natural size, Atlauta, Idaho; 



Coil.Copo 98 



19. ChondrotiiH microatomus Cope; No. 3999; natural size; Saint Louis, Mo. 102 



20. Chond)oui8 texanus Matthes; No. 4044; twice natural size; San Anto- 



nio, Tex 104 



21. ChondrotHS paroHcus Baird; No. 7021; natural size; Puget Sound, 



Oregon 106 



22. Chondrotiia decorticatus Cope ; No. 14493 ; natural size ; Port Simpson, 



British Columbia 108 



23. ChondrotHS aterrimua Cope ; No. 5242 ; natural size ; Northern Rocky 



Mountains 110 



24. Chondrotna tenebroaua B. & G. ; No. 4053; natural size; Astoria, Ore- 



gon 113 



25. Linfiit<Flapaua annulatua CoTpe; No. 11564; type; natural size 115 



489 



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