BY E. F. KALLMANN. 315 



Plate XX i. 



Figs. 1, 2, 3, 4.— 5^.v/o/c//a agminala Ridley, from type-specimens of Stylo- 

 tella digitala Lendenfeld, and of Tcdunia laxa Lendenfeld;( x h ap- 

 proximately). 



Fig.5. — iStylotella ay77imata Ridley; fiutlier illustrating the variable hal)it 

 of the species. 



Plate xxii. 



Fig. 1. — Axintlla auranliaca Lendenfeld; longitudinal median section taken 

 at the extremity of a thin branch; ( x 15). 



Fig.2.~ Sty lotella aijminata Ridley; longitudinal .section taken at the ex- 

 tremity of a branch; ( x 12). 



Fig.3. — Histoderma actinioides, sp.nov.;( x| approximately). 



Fig. 4. — PhlfModictyoii rmnaayi Lendenfeld, var. py r if ormis (war. nov.) ; 

 inner surface of longitudinally bisected specimen, showing disposi- 

 tion of oscular canals; ( x f ). 



Fig.6. — Spirastrellail) ramulosa Lendenfeld; showing the skeleton which 

 remains after maceration by means of caustic potash; ( x f ). 



Fig.6.— /?aspaiaa tendla Lendenfeld; longitudinal median section taken 

 at the extremity of a branch; ( x 12). 



Fig. 7. — Raspailia gracilis Lendenfeld; longitudinal section of a branch; 

 (x9). 



Plate xxiii. 

 ¥\g.\. Raspailia gracilis, from the type of Axindla hinpida var. gracilis 



Lendenfeld; ( x j). 

 Figs.2-3. — Raspaila ttnella, from the types of Axinella hispida var. tendla 



Lendenfeld; ( x j approximately). 

 Fig. 4. — Ras2milia agminala, sp.nov.; from the specimen Avrongly Hgured 



in the Catalogue (PI. ii., tig. 1) in illustration of Halichondria rubia, 



var. digitata Lendenfeld ;( x ^'). 

 Fig. 5. — Chalinodtndron dtndrilla Lendenfeld; ( x^). 



Plate xxiv. 

 Y'\g.\,—Mycale (Parcspcrdla) peiiicilliam Lendenfeld; dermal skeleton; 



( X 18). 

 Vig.2. — Tedania digitata var. rubicunda Lendenfeld ; dermal skeleton . 



(xl8). 

 Figs. 3, 4, 5. — Hemiledauia anonyma Carter; dermal skeleton; ( x 18). 

 Fig.6. —il///ca/e serpen Lendenfeld; dermal skeleton. 

 Figs.7, 8. — A xiamon folium, sp.nov.; pattern of the skeleton as shown in 



moderately thin sections. Fig. 7, ( x 10). 



