( 160 ) 



12-13 Pygorhu nchics Desoii d'Avch 50 



14-15 Echinolampas BiarrUzensis Co\X 54 



VI 1-2 Amblypy gus Michelini Cott 59 



3-6 Cyclasler decliviis Cott 71 



7-9 Hemiasler Pellali Cott. . . 70 



10-13 Periasler Arizensis Cott 79 



14-17 — Biarritzensis Cott 80 



VII 1 — Orbignyanus Cott 73 



2-3 — Pyrenaicus Cott 75 



4-8 Schizaster Leymeriei Cott . 85 



9 Prenaslsr Julieri Des 90 



10 Brissiis depressus Coit. 93 



1 1 Eupalagus Des Moulinsi Cott 1 00 



VIII 1-2 Maeropneustes Pellali Cott 99 



3-7 Brissopalagus Caumonli Cott 97 



8-9 Cidaris Sabaralensis Cott 14 



IX 1 Echinanlhus Pellali Cott 48 



2-3 — Biarrilzensis Coït 47 



4 Periasler Heberli Cott 77 



5 — Delbosi Cott 7S 



