LIZARDS, TORTOISES AND BATRACHIANS 399' 



4 Amblystoma punctatum Linn. 

 Spotted salamander 

 De Kay. Salamandra subviolacea, large spotted salamander, crimson 



spotted triton, p. 74, pi. 16, fig. 36 

 Black above, with a series of round yellow spots on each side of 

 the back ; body broad, depressed, and swollen ; tail not as long as 

 rest of body. 11 costal grooves on each side. Length 6-§- inches. 



Probably generally distributed over the state. Found under rocks 

 and decaying trees, and occasionally wanders into cellars. 



5 Amblystoma conspersum Cope 



Smaller spotted salamander 



Lead-colored, with one or two series of small yellowish spots along 



sides ; skin smooth ; body more slender than the preceding ; tail 



shorter than head and body. 11 costal grooves. Length about 4 



inches. 



Taken in Pennsylvania, and may be found in southern part of 

 this state. 



6 Amblystoma tigrinum Green 



De Kay. Triton tigrinus, tiger salamander, or triton, p. 83, pi. 15, fig. 32 

 Dark brown, with usually, many irregular yellow blotches, some- 

 times arranged in cross bands; body thick and strong; head long;, 

 tail about equal in length to body. 12 costal grooves. Length 8-10 

 inches. The largest of our salamanders and very variable. 



All over the state. Said by De Kay to be found in decayed, 

 hollow trees, but usually in burrows and under stones. 



7 Amblystoma jeffersonianum Green 



De Kay. Salamandra grannlata, the granulated salamander, p. 78, pi. 23, 

 fig. 66; Triton niger, the dusky triton, p. 85, pi. 15, fig. 35 



Olive-brown or blackish, usually with bluish spots, but sometimes 

 uniformly lead-colored ; head small ; eyes far back ; body slender. 

 12 costal furrows. Length 5-8 inches. 



Two varieties, possibly throughout the state. According to 

 De Kay, inhabiting wet, springy places. 



The three following families of Urodela, while possessing well 

 marked osteologic differences, show no external characters suffi- 

 ciently obvious to distinguish them easily. For this reason no 

 description has been attempted. 



