THE FOSSIL FOOTMARKS OF THE UNITED STATES. 167 



Genus 10. HARPEDACTYLUS {Spni] and 86ktv\os). 



1. H. gracilis. 



2. H. concameratus. 



3. H. rectus.* 



Appendix to this Group. 

 Genus 11. TYPOPUS {rinos and nois). 



1. T. abnormis. 



Group V. (BIPEDAL BATRACHIANS ?) 



Genus 12. OTOZOUM (^Otos and (S,ov). 

 1. O. Moodii. 



Genus 13. PALAMOPUS (7raX<f/xv and TroCj). 

 1. P. Dananus. 



Group VI. (QUADRUPEDAL BATRACHIANS.) 



Genus 14. THENAEOPUS, King {Simp and ttovs). 

 1. T. heterodactylus. 



Genus 15. ANOMCEPUS {dvS/ioios and TroOr). 



1. A. scambus. 

 2. A. Barrattii. 



Genus 16. ANISOPUS (Swo-oj and n-oCr). 



1. A. Deweyanus. 



2. A. gracilis. 



Genus 17. HOPLICHxNUS (fcXiJ and rxror). 

 1. H. quadrupedans. 



