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745. . Untersuchuugen iiber die Anatomie und Entwickeluugsgeschichte 



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746. . Ueber den Bau von Reniera semitubulosct, O. S. Ein Beitrag zur 



Anatomie der Eieselschwamme. Z. wiss. Zool, Bd. xxx. pp. 563-586 

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747. . Ueber Spermabildung bei Spongilla. Zool. Am. Bd. i. pp. 314- 



315 (1878). 



748. — . Zur Entwickelungsgeschichte der Chaliueen. Zool. Am. Bd. ii. 



pp. 302-303 (1879). 



749. . Studien iiber Organisation und Entw'ckelung der Chalineen. 



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750. . Neue Ooelenteraten aus dem Golf von Neapel. Arch. mihr. Anat. 



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751. . On the Systematic Position of Sponges. Ann. M. N. H. ser. 5, 



vol. V. p. 268 (1880). 



752. . Die Fauna im Suez-Canal und die Diffusion der mediterranischen 



und erythraischen Thierwelt. Eine thiergeographische Untersuchung. 

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754. Kent, W. Saville. On the Hcxactinellidm, or Hexradiate Spiculed 



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755. . On a new Anchoring Sponge, Dorvillia agarlciformis. Monthl. 

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756. . Notice of a new Vitreous Sponge, Pheronema {Holtenia) grayi. 



Ann. M. N. H. ser. 4, vol. v. pp. 182-186 (1870). 



757. . Hackel on the Relationship of the Sponges to the Corals. Ann. 



M. N. H. ser. 4, vol. v. pp. 204-218 (1870). 



758. . On two new SiUceous Sponges taken in the late Dredging-Expedi- 



tion of the yacht ' Noma ' off the Coast of Spain and Portugal {Bha- 

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759. . Prof. Hackel and Mr. E. Ray Lankester on the Affinities of the 



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760. . Note on Dorvillia agariciformis. Ann. M. N. H. ser. 4, vol. vii. 



pp. 37, 38 (1871). 



761. , On a new Genus of Sponges from North Australia {Caidospongia). 



P. Z. 8. 1871, pp. 615-616 (1871). 



762. . Note on Tethya miiricata, Bowerbank, and Dorvillia agariciformis 



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763. . Note on Zittel's Studies on Fossil Sponges. — I. Ann. M. N. H. 



ser. 4, vol. xx. pp. 446-447 (1877). 



764. . Note on Haliphysema, Ann. M. N. H. ser. 4, vol. xx, p. 448 



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