CCELENTERATA. B. Hydroidea. 95 



PILLSBURY, J. H. Development of the Planula of Clava leptostyla, Ag. Amer. 

 Monthly Microsc. Joum. Vol. in. pp. 181, 182. (1 pi.) 1882. [-241 



Du PLESSIS, G. Sur un cas de double g6n6ration alternante chez la Campanu- 

 laria (Clytia) volubilis. Bull. Soc. Vaud. Vol. xr. pp. 167170, 1871. Vol. xn. 

 pp. 429435, 1873. Abstract, Itev. Zool. (3) Vol. n. pp. xn. 1874. [242 



Du PLESSIS, G. Catalogue provisoire des Hydroides MMusipares (Hydrom&luses 

 vraies) observes durant 1'hiver, 1879-80, a la Station Zoologique de Naples. MittheiL 

 a. d. zool. Stat. zu Neapel, Vol. n. pp. 143149, 1881 ; Bull. Soc. Vaud. Vol. xvn. 

 pp. 108118, 1880. [243 



Du PLESSIS, G. Observations sur la Cladocoryne flocconeme (Cladocoryne 

 floccosa, Kotch.) MittheiL a. d. zool. Stat. zu Neapel, Vol. n. pp. 176195, 1881. 

 (1 pi.) Bull. Soc. Vaud. Vol. xvn. pp. 119144, 1880. (1 pi.) [244 



PRICE, HUGH. On a Polystomatous Condition of the Hydranths of Cordylophora 

 lacustris. Quart. Journ. Microsc. Soc. New Ser. Vol. xvi. pp. 2326, 1876. 

 (4 ng.) [245 



QUELCH, J. J. On Thuiaria zelandica, Gray. Ann. and Mag. of Nat. Hist. (5) 

 Vol. xi. pp. 247249, 1883. , [246 



KEICHERT, C. B. Ueber die contractile Substanz und den feineren Bau der 

 Campanularien, Sertularien, und Hydriden. Arch. f. Anat. (Keich. u. Du Bois), 

 pp. 638643, 1866. [247 



EEICHERT, C. B. Ueber die contractile Substanz und den feineren Bau der Cam- 

 panularien, Sertularien und Hydriden. Monatsber. d. konigl. preuss. Akad. d. 

 Wissensch. Berlin, pp. 504509, 1866 (1867). [248 



KEICHERT, C. B. On the Contractile Substance and Intimate Structure of the 

 Campanularia, Sertularia, and Hydrides. Ann. and Mag. of Nat. Hist. Ser. 3, 

 Vol. xix. pp. 5458, 1867. [249 



EICHIARDI, S. Idroidi del mare di Toscana. Catalogo Sez. Ital. Esposiz. Berlino, 

 pp. 154, 155, 1880. [250 



KOTCH, W. D. On a new Genus and Species of Hydroid Zoophytes (Cladocoryne 

 Jloccosa). Ann. and Mag. of Nat. Hist. Ser. 4, Vol. vn. pp. 227, 228, 1871. [251 



ROTCH, W. D. On a new Genus and Species of Hydroid Zoophytes (Stauro- 

 coryne Wortleyi). Ann. and Mag. of Nat. Hist. Ser. 4, Vol. x. pp. 126, 127, 1872. 



[*52 



SARS, G. 0. Bidrag til Kundskaben om Norges Hydroider. Christiania For- 

 handl. Vol. xv. pp. 91 150, 1873. [253 



SARS, M. Ueber das Ammengeschlecht Corymorpha und seine Arten, nebst den 

 von diesen aufgeammten Medusen. Archiv f. Nat. 1860, Vol. i. p. 341. [254 



SARS, M. On the Nurse-genus Corymorpha and its Species, together with the 

 Medusae produced from them. Ann. and Mag. of Nat. Hist. Ser. 3, Vol. vm. pp. 

 353360, 1861. [255 



SARS, M. Bemaerkninger over de norske Hydroider. Videns. Selsk. ForJiand. 

 1862. [256 



SCHULTZE, F. E. Ueber den Bau und die Entwicklung von Cordylophora lacus- 

 tris, Allman, nebst Bemerkungen iiber Vorkommen und Lebensweise dieses Thieres. 

 4to. Leipzig. 52pp. (6 pi.) 1871. [257 



SCHULTZE, F. E. Ueber den Bau von Syncoryne Sarsii, Loven, und der zuge- 

 horigen Meduse Sarsia tubulosa, Lesson. 38 pp. 3 pi. 4to. Leipzig, 1874. [258 



SCHULTZE, F. E. Ueber das Praparieren von Quallen und Hydroidpolypen. 

 Arch. Ver. Mecklenb. Vol. xxv. pp. 107, 108, 1874. [259 



SCHULTZE, F. E. Tiarella singularis, ein neuer Hydroidpolyp. Zeitsclir. f. 

 wissensch. Zool. Vol. xxvu. pp. 403416, 1876. (2 pi.) [260 



SCHULTZE, F. E. Spongicola fistularis, ein in Spongien wohnendes Hydrozoon. 

 Arch. mikr. Anat. Vol. xm. pp. 795817, 1877. (3 pi.) [261 



SCHULTZE, F. E. Spongicola Jistularis ; hydraire habitant une eponge. Arch, 

 de Zool. exp. et gener. Vol. vn. pp. ix xn. 1878. [262 



STEINMANN, G. Ueber fossile Hydrozoen aus der Familie der Coryniden. 

 Palceontographlca, Vol. xxv. pp. 101124, 1878. (3 pi.) [263 



