620 DR. R. VON LENDENFELD ON THE SYSTEMATIC [DeC. 21, 



687. Hogg, J. On the Action'of Light upon the Colour of the River-Sponge. 



Charlemorth Mag. N. H. vol. iv. p. 259 (1840). 



688. . Observations on Spongilla fluviatilis, and further observations, 



with some remarks on the nature of the Spongim marines. Tr. L. Soc. 

 vol.xviii. p.3P3(1841). 



689. . Observations on Spongilla fluviatilis, and further observations, 



vpith some remarks on the nature of the SpongicB marines. Tr, Linn. Soc. 

 vol. xviii. p. 368 (1841). 



[690.] . On the Action of Light upon the Colour of the River-Sponge. 



(Abstr.) Phil. Tr. 1843, p. 72 (1843). 

 [691.] . Auszug aus den Beobachtungen iiber Spongilla fluviatilis. Isis, 



1843, p. 444 (1843). 



692. . Purther notice on Spongilla fluviatilis. Ann. M. N. H. ser. 2, 



vol. vii. p. 790 (1851). 



693. . On Nardo's Classification of the Sponges. Ann. M. N. H. ser. 2, 



vol. vii. p. 190(1851). 



694. . Remarks on the Horny Sponges, vrith proposed Division of the 



Order Spongii. Ann. M. N. H. ser. 2, vol. viii. p. 3 (1852). 



[695.] . Is the Freshwater Sponge {Spongilla) an Animal? Pop. Sci. 



Review, vol. vii. pp. 134-141 (1868). 



696. Holdsworth, E. W. H. Note on the Occui-rence of Xencspongia 



pafeUiformis, Gray, on the Coast of Ceylon. P. Z. S. 1873, pp. 32-33 

 (1873). 



697. HoU, Harvey B. Notes on Fossil Sponges. &'eo/.il/a«.vol.ix.pp.309- 



315(1872). 



698. . Notes on Fossil Sponges. Geol. Mag. vol. ix. pp. 343-352 (1872). 



699. . The Epitheca in Fossil Sponges. Monthl. Micr. J. vol. viii. pp. 



141-142 (1872). 



700. Hudleston, W. H. On the Middle Secondary Rocks of Yorkshire. 



P. Geol. Assoc, vol. v. pi>. 443-494 (1878). 



701. Hughes, T. McKenny. On the so-caUed Spongia ■parado.vica. J. G. 



Soc. vol. xl. p. 273 (1884). 



[702.] . On the so-called Spongia paradoxica, S. Woodw., from the Red 



and White Chalk of Huustauton. (Abstr.) Ann. M. N. H. ser. 5, 

 vol. siii. p. 298 (1884). 



703. Hughes, W. R. Notes on the Development of a Deep-sea Sponge (Hali- 



chondria). Sep. Brit. Assoc. 1865, pp. 86-87 (1866). 



704. Huxley, T. H. Zoological Notes and Observations. — 2. On Tetliya. 



Ann. M. K. H. .ser. 2, vol. vii. p. 370 (1851). 



705. . Zoological Notes and Observations on Thalassicolla. Ann. M. N. H. 



ser. 2, vol. viii. p. 433 (1851). 



706. . Manual of the Anatomy of the Invertebrate Animals, p. 110 



(1877). 



707. Hyatt, A. Remarks on the Beatrices, a new division of Mollusca. Am. 



Jottrn. Sci. (2) vol. xxxix. pp. 261-266 (1865). 



708. . Revision of the North-American Poriferse, with Remarks upon 



Foreign Speiies. — Pnrt I. Mem. Post. Soc. vol. ii pp. 1-10 (1875). 



[709.] . Hollow-fibred Horny Sponges. (Abstr ) P. Post. Soc. vol. xvi. 



pp. 204-205 (1875). 



710. . Revision of the North-American Poriferse. — Part II. Mem. 



Bost. Soc. vol. ii. pp. 481-554 (1877). 



711. . The Embryology of Sponges. P. Bost. Soc. vol. xix. pp. 12-17 



(1878). 



712. . On a new Species of Sponge {Aplgsina pedicellata). P. Ac, 



Philad. 1878, pp. 163, 164 (1879). 



