1092 A MONOGRAPH OF TIIE AUSTRALIAN SPONGES, 



12. SPECIES. SYCANDRA CORONATA. Haeckel (1). 



Spongia coronata. Ellis and Solander (2.) 

 Spongia coronata. A. F. Schweiger (3.) 

 Scyphor coronata. F. Gray (4.) 

 Spongia coronata, R. E. Grant (5.) 

 Spongia coronata. R. E. Grant (6.) 

 Grantia coronata. Hassal (7.) 

 Sycum coronaturn. E. Haeckel (8.) 

 Sycomella tubulsoa. E. Haeckel (9.) 

 Grantia ciliata. T. S. Bowerbank (10.) 

 Grantia ciliata. T S. Bowerbank (11.) 



Radial tubes cylindrical, with slender distal cones, quite free or 

 adnate at the base, between these quite free intercanal spaces. 

 Dermal surface villose, Gastral surface bristly, A cerate spicules 

 forming a bundle at the distal end of the radial tubes ; they are 

 several times longer and 2 to 3 times as thick as the triradiate and 

 quadriradiate spicules. Tubar triradiate spicules subregular or 

 sagittal, with straight basal rays, curved lateral rays and large 

 lateral angles. Gastral quadriradiate spicules without order? 



(1.) E. Haeckel. L.c. Band II., Seite 304 ; Taf. LI., figs. 2a. -2t. Taf. 

 LX., figs. 1-6. 



(2.) Ellis and Solander. The Natural History of many curious and 

 uncommon Zoophytes, 1786, p. 190; Taf. LVIIL, figs. 8-9. 



(3.) A. F. Sclmeiger. Beobachtungen auf naturhistorischen Reisen 

 uber Corallen etc., 1819, page 80. Taf. V., fig. XXXXVII. 



(4.) F. Gray. British Plants. Vol. 1., p. 357. 



(5.) B. E. Grant. Remarks on the structure of some calcareous sponges. 

 In the new Philosophical Journal of Edinburgh. Vol. I., 1S26, p. 166. 



(6.) B. E. Grant. Observations and Experiments on the Structure and 

 Functions of the Sponges. In the new Philosophical Journal of Edinburgh. 

 Vol. II., p. 122. PI. II., figs. 17-18. 



(7.) Hassal. Annals and Magazine of Natural History. Vol. VI., p. 174. 



(S.) E. Haeckel. Prodromus eines Systems der Kalkschwamme. 

 Jenaische Zeitschrift fur Medicin und Naturwissenschaft 1870. Band V. 

 Heft 2, p. 239. 



(9.) E. Haeckel. Prodromus I.e., p. 239. 



(10.) T. S. Boicerbank. On the Organisation of Grantia ciliata. Trans- 

 actions of the Microscopical Society. New series. Vol. VII., 1859, p. 

 79-84, pi. LXXV., figs. 1-5. 



(11.) T. S. Bowerbank. A Monograph of the British Spongida?, 1S64. 

 Vol. I., pi. XXVL, figs. 345, 346a ; T. S. Bowerbank, l.c. Vol. II., p. 19. 



