SPONGIDA. 



SLACK, H. J. Venus's Flower-basket. Intellectual Observer, Vol. xi. pp. 161 

 166, 1867. [ 455 



SLACK, H. J. The Nature of Sponges. Pop. Sci. Review, Vol. xi. pp. 167176, 

 1872. (Ipl.) [ 45 6 



SOLOER, B. Ueber einige der anatomischen Untersuchung zugiingliche Lebens- 

 verhiiltnisse der Spongien. Biolog. Centralbl. Vol. in. pp. 227 235, 1883. [457 



SOLLAS, W. J. On the Ventriculitai of the Cambridge Upper Greensand (6 new 

 Sponge-genera). Journ. GeoL Soc. London, Vol. xxix. pp. 6379, 1873. [458 



SOLLAS, W. J. On a New Hexactinellid Sponge (Eubrochus clausus). GeoL 

 May. Dec. n. Vol. in. pp. 398408, 1876. (1 pi.) [459 



SOLLAS, W. J. On Stauronema, a new Genus of Fossil Hexactinellid Sponges, 

 with a Description of its two Species, ,9. Carteri and S. lobata. Ann. and Mag. of 

 Nat. Hist. Ser. 4, Vol. xix. pp. 126, 1877. (5 pi.) [460 



SOLLAS, W. J. On the Changes produced in the Siliceous Skeletons of certain 

 Sponges by the Action of Caustic Potash. Ann. and Mag. of Nat. Hist. Ser. 4, Vol. 

 xx. pp. 285300, 1877. (1 pi.) [461 



SOLLAS, W. J. On PJiaretrospongia Strahani, Sollas, a fossil Holorhaphidote 

 Sponge from the Cambridge ' Coprolite ' Bed. Journ. GeoL Soc. London, Vol. 

 xxxni. pp. 242 255, 1877. (Ipl.) [462 



SOLLAS, W. J. On the Structure and Affinities of the Genus Siphonia. Journ. 

 GeoL Soc. London, Vol. xxxni. pp. 790834, 1877. (2 pi.) [463 



SOLLAS, W. J. On two New and Eemarkable Species of Cliona. Ann. and Mag. 

 of Nat. Hist. Ser. 5, Vol. i. pp. 5467, 1878. (2 pi.) [464 



SOLLAS, W. J. On the Stiuctuie and Affinities of the Genus Catagma. Ann. 

 and Mag. of Nat. Hist. Ser. 5, Vol. n. pp. 353364, 1878. (1 pi.) Note, ibid. Vol. 

 in. pp. 169, 170, 1879. [465 



SOLLAS, W. J. On Plectronella papillosa, a new Genus and Species of Echi- 

 nonematous Sponge. Ann. and Mag. of Nat. Hist. Ser. 5, Vol. in. pp. 17 28, 



1879. (4 pi.) [466 

 SOLLAS, W. J. On Pharetronema zingiberis, a new Genus and Species of Renierid 



Sponge. Ann. and Mag. of Nat. Hist. Ser. 5, Vol. in. pp. 404407, 1879. (1 pi.) 



[467 



SOLLAS, W. J. On Plocamia plena, a new Genus and Species of Echinonematous 

 Sponge. Ann. and Mag. of Nat. Hist. Ser. 5, Vol. iv. pp. 44 53, 1879. (2 pi.) 



[468 



SOLLAS, W. J. The Sponge-fauna of Norway; a Report on the Eev. A. M. 

 Norman's Collection of Sponges from the Norwegian Coast. Ann. and Mag. of 

 Nat. Hist. Ser. 5, Vol. v. pp. 130145 (2 pi.), 241259 (3 pi.), 396409 (1 pi.), 



1880. [469 

 SOLLAS, W. J. On Sponge- spicules from the Chalk of Trimmingham, Norfolk. 



Rep. Brit. Assoc. : Trans. Sect. pp. 586, 587, 1880. [470 



SOLLAS, W. J. On the Structure and Affinities of the Genus Protospongia 

 (Salter). Journ. GeoL Soc. London, Vol. xxxv. pp. 362366, 1880. (1 fig.) [471 



SOLLAS, W. J. On Astroconia Granti, a new Lyssakine Hexactinellid from the 

 Silurian Formation of Canada. Journ. GeoL Soc. London, Vol. xxxvi. pp. 254 

 260, 1881. (fig.) [472 



SOLLAS, W. J. Note on the Occurrence of Sponge-spicules in Chert from the 

 Carboniferous Limestone of Ireland. Ann. and Mag. of Nat. Hist. Ser. 5, Vol. vn. 

 pp. 141143, 1881. [473 



SOLLAS, W. J. The Sponge-fauna of Norway; a Report on the Rev. A. M. 

 Norman's Collection of Sponges from the Norwegian Coast. Ann. and Mag. of 

 Nat. Hist. Ser. 5, Vol. ix. pp. 141166, 426453, 1882. (3 pi.) [474 



SOLLAS, W. J. On the Ventriculite Sponges. Dixon's Geology of Sussex, 1878, 

 pp. 448-455. [475 



SOLLAS, W. J. On the Foraminifera and Sponges of the Cambridge Upper 

 Greensand. GeoL Mag. Vol. x. pp. 268274, 1873. Proc. Cambr. Phil. Soc. Vol. 

 ii. pp. 299, 300, 1876. ' [476 



