31S EHYLUS SOLLASII. 



Erylus oxyaster Lendenfeld. 



Ante, p. JOS. 



Massive with Idbosc or digitate protulxTanccs. Inspirit: brown, part of 

 the surface Hghter than the rest. 



Amphioxes: pointed, rarely blunt: 1.8-2.9 mm. by 60-85 /(. Styles: rare; 

 1.9-2.3 mm. by 60-105 /i. Angularly bent and branched rhabd-derivatcs: in 

 dimensions similar to the amphioxes, rare. Plagiotriaenes: rare; rhabdome 0.9 

 mm. by 75-90 /r, elades 0.7 mm. long; clade-anglos 109-112°. Dichotriaenes: 

 rlialxlonie 0.6-1.6 nmi. by 70-105 /<; main clatles 250-400, end chides 40-450 n 

 long; clade-angles 109-120°. Irregular dichntriaene-derivatcs: with the elades 

 reduced in number or the rhabdome reducetl in length; rare. 



Mkrorhdbds: more or less curved, centrotyle, generally isoactine amphi- 

 strongyles; 31-47, rarely up to 93 /t long, 3.5-4.5 /x thick. Oxyastcrs: usually 

 •with a slight central thickening; one to twenty or more perfectly smooth, coni- 

 cal rays; total diameter 10-90 /i. Aspidasters : oval, rarely roundish or irregu- 

 lar; the ordinary oval ones 208-243 by 125-150 by 30-40 /£. 



Eastern Pacific. Galapagos Islands: 0° 50' S., 89° 36' W. "Albatross" 

 .Station 2809. 



Erylus nobilis Thiei.e. 



Abharuil. Seiiclcenb. si'si-ILsi-li., 1900, 25, p. 48, pl.-ite J, fis;. 17. Lendenfeld. Tierreioh, 1903, 19, 

 p. S5. 



Irregularly cylindrical. Wliite; in the interior brownish. 



Amphioxes: rather abruptly pointed ; nearly 1 mm. by 30 /(. Ortliolriaenes: 

 rhabdome 600 by 40 /<; elades 250 /j long, slightly curved. 



Microrhabds: centrotyle amphistrongyles ; about 48 l\y 6 /(. Acaulhtylna- 

 ters: most frequently seven rays ; each ray 20 /; long. Aspidasters: oval, outline 

 sometimes irregular; 190 by 90-100 by 40 /(. 



Western Pacific. Tcrnate. 



Erylus soUasii Lendenfeld. 

 .Vnte, p. ■.'7-.'. 



Irregularly massive, with lobo.se, gyriform, or sliort digitate processes. In 

 spirit: whitish to chestnut-brown or purplish brown; one part of the surface 

 sometimes darker than the rest. 



Blunt amphioxes: 425-980 by 8-24 /<. Sharp-pointed amphioxes, amphi- 

 strongyles, and styles of sinailar dimension; rare. Orthoplagiotriaenes: rhabdome 



