1870. 
1870. 
1870. 
1871, 
DIS TA 
Dale 7T. 
1877. 
1879. 
1380. 
To see 
1862. 
1864. 
1868. 
1870. 
1871. 
1871. 
1877: 
1872. 
1872. 
1872. 
1873. 
1874. 
1875. 
1875. 
6 
Tethyopsis columnifer Stew. 
(Stewart, Quart. Journ. Mier. Science X.) 
Wyvillethomsonia Wallichü Wright. 
(Wright, Quart. Journ. Mier. Science X.) 
Stelletta agariciformis (Wyv. Thoms.) O. 8. 
(Schmidt, Spong. Atlant. Geb. pag. 68). 
Thenea Wallichü Wright NB. 
(Traquair, Monthly microse. Journ. IV, pagg. 2933—295. 
Hymeniacidon placentula Bwk. 
(Bowerbank , 
Stelletta echinoides ©. 8. 
‘ (Schmidt, Archiv. Mikrosk. Anat. XIV.) 
Halyphysema echinoides H. 
(Haeckel, Jen. Zeitschr. XI.) 
Wyvillethomsonia agariciformis Norm. 
(Journ. Conchiology, Il, pag. 13.) 
Tisiphonia fenestrata O. ». 
(Schmidt, Spong. Meerb. Mexico II pag. 71.) 
also: 
Bowerbank, Phil. Transact. Vol. CLII part. 2, pp. 770, 
793, 782, tab. XXXI fig. 14 and 15. 
Bowerbank, Monogr. Brit. Spong. Vol. I, pag. 22. 
Bowerbank, Proc. Zool. Soc. 
Carter, Ann. and Mag. V pag. 389. 
Carter, Ann. and Mag. VI. 
Sav. Kent, ibid ibid. 
Cubitt, Monthly mierose. Journ. V, pag. tab. LXXXII. 
Gray, Ann. and Mag. IX. 
Sav. Kent, ibid X. 
Bowerbank, Proc. Zool. Soc. pag. 115, 
Wyv. Thomson, The Depths of the Sea, pag. 188. 
Bowerbank, Monogr. Brit. Spong. Vol. III. 
Schmidt, Jahresber. Kieler Bucht, pagg. 115120. 
Marshall, Zeitschr. für Wissensch. Zool. XXV Suppl. 
pagg. 150, 152 and 168. 
