10 NORTH AMERICAN BATRACIIIA AND REPTILIA. 



beneath, yellowish, which rises on the sides as short blotches, 

 above these several ili-delined yellowish spots; parotid region 

 yellow; tail yellow with dark spots; limbs cross-banded; L. six 

 inches. New Jersey. 



c. Costal grooves 12; mucous pores each side of muzzle. 

 X. Two distinct plantar tubercles; size large. 



14. A. tigrlnwn^ (Green) Bd. Tiger Salamander. No 

 canthus rostralis; head long; external nares closer together than 

 internal; tooth series continuous or slightly interrupted, generally 

 convex forwards; parotid region much swollen; color usually 

 blackish-brown, with irregular scattered spots or blotches of 

 yellow; those on lower part of sides largest, subquadrate, and 

 more or less confluent; sometimes uniform brown above and 

 yellow below; sometimes entirely yellow, with brown linear 

 patches; L. eight inches. United States east of the plains. 



15. A. xiphias. Cope. Long-tailed Salamander. Canthus 

 rostralis distinct; tail longer than head and bod}^; external nares 

 closer together than internal; muzzle obtuse; head small and 

 short, width five times in distance to groin ; palatine teeth in one 

 series, slightly convex forwards; mandible projecting beyond 

 muzzle; color above yellowish-olive; beneath brighter yellow; 

 back and sides with reticulating bands of brown; a few rounded 

 spots of the same on the belly; L. eleven and one-quarter inches; 

 tail .six. Ohio. 



y. No or one indistinct plantar tubercle; size small; 

 palatine series of teeth interrupted. 



16. A. jeffersonianmri^ subsp. jeffersonianiiin^ (Green) 

 Cope. External and internal nares equidistant; width of head 

 four and five-tenths to five times in distance tO' groin; dorsal 

 groove indistinct; eyes situated far back; tooth series transverse, 

 in four patches; distance between anterior corners of eyes more 

 than twice the length of orbital fissure; lead colored to black; 

 with or without pale bluish spots on sides; L. five and five-tenths 

 inches. Pennsylvania and Ohio northward. 



IT. A. jeffe7\<ionianum^ subsp. lateral e^ (Hall) Cope. Mid- 

 dle patches of teeth convex forward; distance between anterior 

 corners of eyes only twice length of orbital fissure; color black, 

 with large white spots on sides and tail; smaller ones below; L. 

 about one-half the preceding. In other respects like the last. 

 Canada and Wisconsin northward; Northern Illinois. 



18. A. jeffersonianum., subsp. /"^z-scwm, (Hall) Cope. Color 

 dark brown, with a darker shade or band along sides; L. three 

 and eight-tenths. Indiana and Virginia. 



