70 SPONGIDA. 



HILGENDORF, F. On two Fresh-water Sponges (Sponyilla nitens, Carter, and 

 S. Bohmii, sp. nov.) collected by Dr E. Bohm in the Eiver Ugalla, near Lake 

 Tanganyika. Ann. and Mag. of Nat. Hist. Ser. 5, Vol. xn. pp. 120123, 1883. 



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HILGENDORF, F. Susswasserschwamme aus Centralafrica gesammelt von Dr E. 

 Bohm im Ugalla Fluss beim Tanganika-See. Sitzungsber. Ges. Nat. Fr. Berlin, 

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HINDE, GEORGE JENNINGS. Fossil Sponge Spicules from the Upper Chalk. 

 Found in the interior of a single flint-stone from Horstead in Norfolk. 83 pp. 

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HINDE, GEORGE JENNINGS. Notes on Fossil Calcispongiae, with Descriptions of 

 New Species. Ann. and Mag. of Nat. Hist. Ser. 5, Vol. x. pp. 185 206, 1882. 

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HOGG, JABEZ. Is the Fresh-water Sponge (Spongilla} an Animal ? Pop. Sci. 

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HOLDSWORTH, E. W. H. Note on the Occurrence of Xenospongia patelliformis, 

 Gray, on the Coast of Ceylon. Proc. Zool. Soc. 1873, pp. 32, 33. [244 



HOLL, HARVEY B. Notes on Fossil Sponges. Geol. Mag. Vol. ix. pp. 309 315, 

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HOLL, H. B. The Epitheca in Fossil Sponges. Monthly Microsc. Journ. Vol. 

 vm. pp. 141, 142, 1872. [246 



HUGHES, W. K. Notes on the Development of a Deep-Sea Sponge (Halichondria). 

 Rep. Brit. Assoc.: 1865, Trans. Sect. pp. 86, 87, 1866. [247 



HYATT, A. Hollow-Fibred Horny Sponges. (Abstr.) Proc. Boston Nat. Hist. 

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HYATT, A. Eevision of the North American Poriferae. Pt. I. Mem. Boston Soc. 

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1877. (3 pi.) [249 

 HYATT, A. The Embryology of Sponges. Proc. Boston Nat. Hist. Soc. Vol. 



xix. pp. 1217, 1876 (1878). [250 



HYATT, A. On a new Species of Sponge (Aplysina pedicellata). Proc. Acad. 

 Nat. Sci. Philadelphia, pp. 163, 164, 1878 (1879). (1 pi.) [251 



HYATT, A. Commercial and other Sponges illustrated. 43 pp. 12mo. Boston, 

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HYATT, J. D. The Boring Sponge Does it excavate the burrows in which it is 

 found? Amur. Monthly Microsc. Journ. Vol. in. p. 81, 1882. [253 



JOHNSON, J. YATE. Description of a New Siliceous Sponge from the Coast of 

 Madeira (Dactylocalyx bowerbankii). Proc. Zool. Soc. 1863, pp. 257259. [254 



JULIEN, ALEXIS A. On two Varieties of Sponge- Spicules. Amer. Journ. of Sci. 

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KELLER, C. Untersuchungen iiber die Anatomic und Entwickelungsgeschichte 

 einiger Spongien d. Mittelmeeres. Ein Beitrag zur Losung der Spongienfrage. 38 

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KELLER, C. Ueber den Bau von Reniera semitubulosa, 0. S. Ein Beitrag zur 

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1878. (2 pi.) [257 

 KELLER, C. Ueber Spermabildung bei Spongilla. Zool. Anzeiger, Vol. i. pp. 



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KELLER, C. Zur Entwickelungsgeschichte der Chalineen. Zool. Anzeiger, Vol. 

 n. pp. 302, 303, 1879. [259 



KELLER, C. Studien iiber Organisation und Entwickelung der Chalineen. 

 Zeitschr. f. wissensch. Zool. Vol. xxxin. pp. 317349, 1880. (3 pi.) [260 



KELLER, C. Neue Coelenteraten aus dem Golf von Neapel. Arch. f. mikrosk. 

 Anat. Vol. xvm. p. 271, 1880. (2 pi.) [261 



KENT, W. SAVILLE. On the Hexactinellida, or Hexradiate Spiculed Silicious 

 Sponges taken in the ' Norna ' Expedition off the Coast of Spain and Portugal. With 

 Description of New Species, and Eevision of the Order. Monthly Microsc. Journ. 

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