-'•f 



L'; II, tiaiisvir>c 



iwii liy In. v.. v.. 



THE BATRACHIA OF NORTH AMERICA. 501 



Fk;. 4. Amhhiotomit piiiicfadim, from he]o\i: ; X -. 

 5. Jmhlystoma pHiictafum,\arvn, Hitlt^; ">. 

 (i, Amblyntoiiia tnncrodaciijlum, from below ; x 'i. 

 7. Amhlyxtoma tigrinum, from below ; x "i. 

 H. Ambhjstoma epimnthinn, from above: x li 

 '.>. Ambliifitom<ije(ttr!ionia)ntm, from above; x 3. 

 l(t. IJyiioh'iUH nariuii. 

 \l. L'aiiidens sibiriciifi. 



PLATE XXVI. 



Phthodon ijl.itinoviis. skull, twice natural size. 



FifJ. 1. Skull, above. 



V'. Skull, below. 



i. Skull, left side. 



4, Skull with maudible, from behiml. 



PLATE XXVII. 



Fig. 1-4. Autoda.r lutjiibris, skull, natural size. 



1. From left side, exterior. 



2. From above. 

 ',i. From below. 



4. Left side, interior. 



Fui. '>-7. Manciihi'i qiKtdridif/ihttiis, three times natural size. 

 G. Skull, from above. 

 7. Skull, from below. 



5. Skull, from left side. 



PLATE XXVIII. 



Fui. 1-3. Spthrpes loniilcatidn, skiiU. twice natural .size, with cervical vertebrte. 

 1. Skull, above. 

 •,'. Skull, b.low. 

 ;{. .'■ikull, left side. 

 4-<.'>. Spetn-jict hilintdta, skull, three times natural size, with three cervical ver- 

 tebra'. 

 4. Skull, above. 

 r>. Skull, below. 



6. Skull, left side. 



PLATE XXIX. 



Spchrpis rubtr. skulls of larva and adult, twice natural size. 



Fig. 1-3. Larva nearly mature. 



1. Skull and three vertebra-, from above. 

 '2. Skull and three vertebra-, from below. 



3. Skull and three vertebrie, from left -iide. 

 4-G. Skull of adult. 



4. From above. 

 .'). From below. 

 6. From left side. 



PLATE XXX. 



(Copied from Parker. Spvlerpes ruber, skulls of ailnlt and larva, much enlarged.) 



FlG. 1-2. SpeJerpes ritber, larva, younger than that represented in the last plate (xxix). 



1. Skull, from above. 



2. Skull, from l)elow. 





■ li 





■A 



