GEODIA. 229 



A5 The dermal asters small, usually 5-6, the largest never over 

 8.3 /t in diameter. Regular or irregular (ataxastrosc). 



G. erinaceus (Lendenfeld). G. variospiculosa Thiele. 

 var. typica Lendenfeld var. clavigera Thiele. var. 

 intermedia Lendenfeld. var. mieraster Lendenfeld. 

 G. reniformis Thiele. G. japonica (SoUas). G. cook- 

 soni (SoUas). G. hilgendorfi Thiele. var. typica 

 Lendenfeld var. granosa Thiele. G. ataxastra Lenden- 

 feld. 

 B5 The dermal asters large, usually 8-12, the largest never under 

 8 /t in diameter. Usually regular. 

 Ae Sterrasters over 300 /t long. 



G. hirsuta (Sollas). 

 Be Sterrasters up to 70-125 jx long. 



A7 The large choanosomal rhabds are chiefly amphicjxes. 

 G. mesotriaena Lendenfeld. var. pachana Lendenfeld. 

 var. megana Lendenfeld. var. microana Lendenfeld. 

 G. agassizii Lendenfeld. G. mesotriaenella Lendenfekl. 

 G. breviana Lendenfeld. G. ovis Lendenfeld. G. 

 sphaeroides (Kieschnick). G. micropora Lendenfeld. 

 G. berrjn (Sollas). G. kiikenthali Thiele. 

 B7 The large choanosomal rhabds are chiefly amphistron- 

 gj'les. 

 G. amphistrongyla Lendenfeld. 

 Ce Sterrasters under 60 /t long. 



G. lophotriaena Lendenfeld. 

 B2 The large choanosomal asters are acanthtylasters. 

 G. acanthtylastra Lendenfeld. 

 Bi Regularly triaene promesoclades (proclades) absent. Promesoclades (pro- 

 clades) with more or less reduced dadomes (only two or one clades) some- 

 times present. 



G. nigra Lendenfeld. G. media Bowerbank. G. 

 magellani (Sollas). G. exigua Thiele. G. incon- 

 spicua (Bowerbank). 



