36 Trans. Acad. Sci. of St. Louis. 



1862. Palaechinus Phillipsiae. Dujardin et Hupe\ Echino- 

 derines, p. 463. 



1874. Palaechinus Phillipsiae. Loven, Kongl. Svens. 

 Veteus. Akad. Hand]., bd. 11, no. 7, p. 41. 



1875. Palaechinus Phillipsiae. Quenstedt,Petref . Deutschl., 

 bd. 3, abtb. 1, p. 379, tab. 75, fig. 41. 



1889. Palaechinus Phillipsiae. Duncan, Ann. Mag. Nat. 

 Hist., ser. 6, vol. 3, p. 203. 

 Geological formation and locality: Carboniferous, Ire- 

 land. 



3. Palaechinus robineti Julien. 



1896. Palaechinus robineti. Julien, Terr. Carb. Marin 

 France Centrale, p. 129, pi. 3, fig. 19b. 

 Geological formation and locality: Carboniferous, La 

 Varville, Siguret, Central France. 



4. Palaechinus rutoti Julien. 



1896. Palaechinus Rutoti. Julien, Terr. Carb. Marin 

 France Centrale, p. 129, pi. 6, fig. 8. 



Geological formation and locality: Carboniferous, Sa- 

 vigny, Poil-Fol, France. 



5. Palaechinus nov. sp. Julien 



1874. Palaechinus nov. sp. Julien, Compt. Rend. Acad. Sci. 

 Paris, T. 78, p. 76. 

 Geological formation and locality: Carboniferous, l'Ar- 

 doisiere, France. 



6. Palaechinus sp. Mitchell. 



1897. Palaechinus sp. Mitchell, Proc. Linn. Soc. N.S. W., 

 vol. 22, pt. 2, p. 258. 



Geological formation and locality: Upper Silurian, 

 Browning Village, County Harden, New South Wales. 



