BY R. VON LENDENFELD, PH.D. 1093 



mostly subregular, more rarely sagittal or regular. Their facial 

 rays mostly straight, about as long or a little longer than the 

 slightly curved apical-ray. 



Colour : White, silvery-grey or yellowish. 



Locality : Mediterranean (Lesina, Nice, Gibraltar, Haeckel) ; 

 Atlantic Ocean, Coast of Portugal, Barbozza du Boyage ; Bretagne, 

 Mievre ; Normandie, Lazaze-Duthiers, Grube ; South Coast of 

 England, Montagu; Torquay, Grilfiths, Weymouth, Max Schultze; 

 Pacific Ocean, California, Brown ; Honolulu, Sandwich Islands, 

 Haltermann ; East Coast of Australia, Wendt. 



13. SPECIES. SYCANDRA INCONSPICUA. Nov. spec. 



Cylindrical erect persons remaining solitary with a small frill of 

 longitudinal Acerates around the terminal, circular Osculum. 

 Height 10 to 15 mm., breadth 4 to 7 mm. Dermal cones small, 

 flat dome-shaped. Inhalent canals very narrow, hardly visible, 

 with triangular section. 



Spicules. Gastral quadriradiate spicules with three tangental 

 rays below the surface and one longer radial one, penetrating the 

 Gastral wall. Radial ray pointing inward 0'14 — 0*2 x 0-0048 mm., 

 pointed abruptly, slightly bent towards the Osculum. Three 

 tangental rays equal and nearly straight 0*074 x 0'004 pointed 

 abruptly. Parenchymal triradiates regular with conic slightly 

 rounded rarely bent rays, measuring 0'12x0'007 — 0-008. Dermal 

 acerate spicules 0-8 x 1-2 mm., x 0-016 mm., curved regularly 

 towards the Osculum ; densely scattered over the surface, pointed 

 abruptly on the outer end, conic proximally. 



Locality : East Coast of New Zealand, Lyttelton. Von 

 Lendenfeld. 



14. SPECIES. SYCANDRA RAPHANUS. Haeckel (1.) 

 Sycon raphanus. O. Schmidt (2.) 

 Sycon raphanus. O. Schmidt (3.) 



(1). E. Haechel Die Kalkscliwamme. Erne Monographie. Band II., 

 Seite 312, Taf. LIII., figs. 4a-4t ; Taf. LX., fig. 7. 



(2.) 0. Schmidt. Die Spongien des Adriatischen Meei'es. Leipzig, 1864, 

 p. 14, Taf. I., fig. 2. 



(3.) 0. Schmidt. III. Supplement-Heft der Spongien des Adi-iatischen 

 Meeres, p. 32. 



