252 Trans. Acad. Sci. of St. Louis. 



blackish specks on the underside of the plastron, extending from the 

 anterior legs to the outside of the posterior pair. 



Sise. — Length of carapace 350 mm.; width of same 2S0 mm. Length 

 of plastron 254 mm. 



Habitat. — Abnuclant in the Central States, It inhabits 

 the tribntaries of the Mississippi Eiver in the States of 

 Wisconsin, Indiana, Illinois, Missouri, Iowa, Ohio, Penn- 

 sylvania, and western New York. It also occurs in the 

 tributaries of the St. Lawrence River, the lakes of north- 

 ern New York, and Lake Champlain. Missouri localities : 

 — Mississippi, Missouri, Osage, Gasconade, Meramec, and 

 White Rivers. 



Habits. — The Spiny Soft Shell Turtles have habits simi- 

 lar to those of the preceding species. 



List of Amphibians axd Reptiles so far Fouxd in the 



State of Missouei. 



AMPHIBIA. 



CAUDATA. Salamanders. 



1. Neeturus maculosus Rafinesque. Water Dog. Mud Puppy. 



2. Siren lacertina Linn. Siren. Mud Eel. Two-legged Eel. 



3. Amphiuma means Linn. Congo Eel. Congo Snake. 



4. CryptoTyranclius alleghaniensis Daudin. Hellbender. Mud Devil. 



5. Amhy stoma microstomum Cope. Small-mouthed Salamander. 



6. Ambystoma tigrinuvi Green. Tiger Salamander. 



7. Ambystoma punctatum Linn. Spotted Salamander. 



8. Amltystoma opacum Gravenhorst. Marbled Salamander. 



9. Hemidactylium scutatum Schlegel. Scaly or Four-toed Sala- 



mander. 



10. Plethodon erytlironotus Green. Red-backed Salamander. 



11. Plethodon glutinosus Green. Slimy Salamander. 



12. Spelerpes longicaudus Green. Long-tailed or Cave Salamander. 



13. Spelerpes maculicaiidus Cope. Spotted-tail or Hoosler Sala- 



mander. 



14. Spelerpes stejnegeri Eigenmann. Stejneger's Cave Salamander. 



15. Spelerpes guttolineatus Holbrook. Holbrook's Salamander. 



