CALCAREA. 



Homocoela. 

 Fam. Asconidae. 



Leucosolenia Bow. 



L. coriacea Mont. 

 1818. Spongia coriacea Montagu [67] p. 116. 

 1821. — — Gray [31] p. 361. 



1842. Grantia — Johnston [39] p. 183, PI. XXI, fig. 9. 



1866. Leucosolenia — Bowerbank [9b] p. 34. 



1867. — — Gray [32] p. Ö56. 



1870. — — Wright [101]. 



1871. Clathrina sulphurea Carter [16] p. 278. 



1872. Ascetta coriacea Haeckel [34] II, p. 24, Taf. 3, Taf. 5, 



fig. 2a — c. 



1877. Leucosolenia — Carter [18]. 



1878. Ascetta — Marenzeller [61]. 



1881. Clathrina — Ridley [72]. 



1882. Ascetta — Vosmaer [96]. 



1885. Ascaltis canariensis Lakschewitsch [42] p. 336. 



1887. Ascetta coriacea Fristedt [28] p. 405, PI. 22, fig. 1—2. 



1891. Leucosolenia — Grenzenberg [33]. 



1891. Ascetta coriacea Lendenfeld [86]. 



Leucosolenia Topsent paa mange Steder. 



1898. — — Breitfuss [14] p. 20. 



1900. — — Arnesen [3]. 



1905. — tenuispilosa Dendy [24]. 



1908. — canariensis Thacker [83 1 p. 762. 



1909. — coriacea Lundbeck [60| (». 457. 



