62 ARMAND BILLARD 



1873. Sars (G. 0.). — Bidrag til Kundskaben om Norges Hydroider [Forh. 



Selsk. Christiania, p. 91-150, Tab. II-V.) 

 1897. Schneider (K. C) — Hydropolypen von Rovigno, nebst Uebersicht iibeiv 



das System der Hydropolypen im Allgemeinen [Zool. Jahrb. Syst., 



Bd X, 1898, p. 472-555, 2fig.). 

 1909. Stechow (E). — Hydroidpolypen der japanischen Ostkûste [Abhandl. 



math. phys. Klass. -/. K. Bayer Ak. Wiss., Mûnchen, Suppl. Bd 1.111 



p. Taf. I-VII). 



1879. Thompson d'Arcy (W.). — On some new and rare hydroid Zoophytes 

 {Serlulariids and Thuiariidae) from Australia and New-Zealand [Ann. 

 nat.Hist. [5], vol. III, p. 97-H4, PI. XVI-XIX). 



1904. Thornely (Miss L.-R.). — Report on the Hydroida coUected by Professer 

 Herdman at Ceylan in 1902 (Hefi. Gov. CeylnnPearl Oyster Fish, pt. H, 

 p. 107-126, 3 PI., 4 fig.). 



1908. Id. — Reports on the Marina biology of the Sudanese Red Sea X. 

 Hydroida collected by Mr. C. Crossiand {Journ. Linn. Soc, vol. XXXI, 

 p. 80-85, PI. IX). 



1902. ToRREY (H. B.). — The Hydroida of the Pacific Coastof the North Ame- 

 rica vvith especial référence to the species in the Collection of the 

 Llniversitv of California {Un. Calif. Public. Zool., vol. I, p. 1-104, 

 Pi. I-XI).' 



1906. ToRREY (H. B.) et Ann Martin. — ^ Sexual dimorphism in Aglaophenia 

 (Univers. Calif. publ. vol. III, p. 47-52, 9 lig.'. 



1899. Versluys (J.). — Hydraires calyptoblastes recueillis dans la mer des 



Antilles, etc. {Mém. Soc. Zool. de France, Pt. XII, p. 29-58, 24 fig.). 



1900. Weltner (W.). — Hydroiden von Amboine und Thursday Island {Semon 



zool. Forschgsreis. Bd V, p. 585-590, Taf. XLVI. 

 4908. Warren (E.). — On a collection of Hydroids mostly from the Natal 

 Coast {Ann. Natal Govern. Mus., vol." 1, p. 269-355^ PI. XLV-XLVHL 

 23 Textfig.). 



