188 ^I. E. Hiickel's Prodromus of 



composed of coiuinuiiicatlng tubos, the inner wall of which is 

 villous (set with papilla), and their eavity simple (not cham- 

 bered). One species. 



123. *.l. intestinah's, II. Mogador (TI.). 



Genus 3G. *AuLOrLE(;MA, nov. gen. 



Gen. char. The mouthless stock forms a root-like network, 

 the ramifications of which are communicating tubes with a 

 chambered cavity traversed by irregular partitions (outgrowths 

 of the entoderm). One species. 



124. *^4. loculosum, H. Australia. 



Family XV. Sycophyllida, H. 



Character. The mature calcareous sponge forms a stock 

 without mouth-opening, the stomachal walls uf Avhich are 

 traversed by regular radial canals (radial tubes) as in the 

 Sycodendrida. 



Genus 37. *Sycophyllum, nov. gen. 

 Gen. char. Stomachal cavities simple, not chambered. 

 Two species. 



125. *6'. lohafuin, H. Norway. 



126. **S'. conipressum, H. Norway. 



Genus 38. *Ahtyxophyllum, nov. gen. 



Gen. char. Stomachal cavities chambered, traversed by 

 irregular partitions. One species. 



127. *-4. compressuniy H. Norway (H.). 



Family XVI. Sycolepida, H. 



Character. The mature calcareous sponge forms a stock 

 without mouth-opening, the stomachal walls of Avhich are 

 traversed by iiTegular, ramified parietal canals (as in the 

 Dyssycida). 



Genus 39. *Sycolepis, nov. gen. 



Geyi. char. The stock forms an expanded crust or a shape- 

 less lump, in the parenchyma of which the simple (not cham- 

 bered) stomachal cavities of the persons are scattered, only 

 connected by the branched parietal canals and only opening 

 outwards by the cutaneous pores. Two species. 



128. */?. incrustans, H. Norway (Schilling). 



129. '^S. pi/Jr}tio)\ TI. Indian Ocean fSchneehagen). 



