538 Miscellanemis. 



7. Leucandra asjura, Hiick. 

 A single Bpecimen with a proboscidiform aperture {DyssyconeUa 

 aspera. Hack.). 



Loc. Mahon ; widely distributed in the Mediterranean. 



8. Leucandra balearica, sp. n. 



" Dermal surface spinose, as also the gastral surface. Chief part 

 of the skeleton consisting of regular triradiates. The triradiates of 

 the dermal cortex and the gastral quadriradiates are enveloped by 

 minute bacillar spicules (Stdbchenmortel). Scattered in the paren- 

 chyma are colossal fusiform spicules which project but little. The 

 globular flagellate chambers are seated racemosely on the branched 

 canals. The specimens are solitary personaj, partly without a mouth- 

 aperture and partly with a fringed aperture." 



Loc. Mahon. 



9. Leucandra Rodrirjuezii, sp. n. 



" Dermal surface setosely spinose. Gastral surface spinose. 

 Chief part of the skeleton consisting of regular triradiates ; the cor- 

 tical laj'er thickly permeated by colossal, fusiform, and long, very 

 fine, cylindrical spicules {Strichnadeln). The triradiates of the 

 dermal cortex and the gastral quadriradiates enveloped by ' Stab- 

 chenmortel.' Large astomatous stocks." 



Loc. Mahon and Alcanfa. 



Fam. 3. SycoNEs. 



10. Sycandra coronata, Hiick. 



Peristome in all specimens surrounded by an elegant circlet 

 (Sycaritini coronatum ). 



Loc. Mahon ; widely distributed in the Mediterranean. 



11. Sycandra raphanus, Hack. 



The specimens are individual personae, one with a naked mouth- 

 aperture (SycKTus rajyhanns, Hiick.), the others all Sj'cariiform. 



Loc. Mahon, Alcanfa ; widely distributed, Mediterranean, Indian 

 Ocean, Australia, Philippines. 



12. Sycandra setosa, Hiick. 

 Two single personae, with a long peristomial circlet. 

 Loc. Mahon ; common in the Mediterranean. 



13. Sycandra Schmidtii, Hiick. 

 A specimen with proboscidiform mouth-aperture. 

 Loc. Mahon ; also in the Adriatic. 



14. Sycandra eJegans, Hiick. 

 All solitary personse, bearing a horizontal spicular circlet besides 

 the peristomial circlet. 



Loc. Mahon and Alcanfa ; common in the Mediterranean. 



