Klem — Revision of the Palaeozoic Palae'echinoidea. 33 



3. Palaechinus intekmedius Keeping. 



1876. Palaechinus inlermedius. Keeping, Quart. Journ. Geol. 



Soc. Lond., vol. 32, pt. 1, p. 37, pi. 3, figs. 9-11. 

 1889. Palaecliinus intermedins. Duncan, Ann. Mag. Nat. 

 Hist., ser. 6, vol. 3, p. 203, tigs. 9, 10. 



Body spheroidal. Interambulacral areas composed of five 

 columns of regular plates, which are uniformly granulated 

 with small tubercles surrounded by a smooth ring each. Am- 

 bulacra narrow, composed of wedge-shaped plates granulated 

 like the interambulacral plates. Pores in two series near the 

 outer edge of the plates. Both interambulacral and ambulac- 

 ral plates imbricate slightly. 



Geological formation and locality: Carboniferous, Hook 

 Head, Fethard. 



4. Palaechinus konincki M'Coy. 



1844. Palaechinus (?) Konigii. M'Coy, Foss. of Ireland, 



p. 172, pi. 24, fig. 19. 

 1860. Palaechinus Koenigii. D'Orbigny, Prodrome, vol. 1, 



p. 154. 

 1858. Palaechinus Konigii (?). Desor, Syn., p. 159. 

 1862. Palaechinus Koninckii. Dujardin et Hupe, Echino- 



dermes, p. 464. 

 1874. Palaechinus ? Konigi. Loven, Kongl. Svens. Vetens. 



Acad. Handl., Bd. 11, No. 7, p. 41. 



1896. Palaechinus Konincki. Julieu, Terr. Carb. Marin 

 France Centrale, p. 130, pi. 10, fig. 20; pi. 11, fig. 27. 



1897. Palachinus konincki. Tornquist, Abhdl. Geol. Karte 

 Elsass, Bd. 5, Hft. 6, p. 753. 



Test composed of numerous plates covered with large com- 

 pressed tubercles, between which are numerous small tubercles 

 irregularly placed. 



Geological formation and locality: Yellow sandstone, 

 Rahan's Bay, Dunkineely ; Carboniferous, Regny, Ne'ronde, 

 St. Germain Laval, Central France. 



