138 



INDEX. 



Pentagonaster rectilineus 

 regularis 

 robustus 

 semilunatus 



Pentagonasteridse 



PAGE 

 ... 32 

 ... 31 

 73; xxi 

 ... 38 

 .. 3,94 



Pentagonasterinse ... ... ... 4 



Phanerozonia . . ... 3 



Phylogeny 



Primary inter-radialia 



Pycinaster 



angustatus 



senonensis 

 Pycnaster 



angustatus 

 crassus 



Eadialia 

 Radius 



127 



... 133 

 95, 131 



93, 95, 119; ix, xxi, xxv, 

 xxvi 



95, 114, 119 ; xxvi, xxix 

 21, 95 



21, 95 ; ix, xxi, xxv, xxvi 

 96, 119 ; xxix 



... 133 

 133 



Specific and generic characters ... 112 



Spine-pits ... ... 133 



Stauranderaster ... 99, 125, 130 



argus ... 99 ; xxv, xxix 



PAGE 



Stauranderaster bipunctatus (r=bispiuosus) 119 



bispinosus ... ... 125 



Boysii ... 120,125 



bulbiferus 113,119,120,121,125 



coronatus ... 114, 120, 1-25 



ocellatus ... 121,125 



pistilliferus 120, 125 



squamatus . . . 120,125 



Stellaster ... 69 



albensis ... ... 112 



Comptoni ... ... ... 69 



Coombii ... ... 112 



elegans ... ... ... 71 



Schulzii 109 



Tomidaster sulcatus . . ... ... 123 



Tosia ... ... 24 



lunata ... ... ... ... ... 25 



regularis ... ... 31 



Ventro-lateralia 



133 



Zygophiurse ... ... ... 101 



ADLARD AND SON, 1MPE., LONDON AND DORKINO. 



