HYDROIDS FROM NOVA SCOTIA 177 



Allman, G. J. 



1859. Notes on the hydroid zoophytes. Annals and Magazine 

 of Natural History, 3rd ser. vol. IV, pp. 137-144. 



1864. On the construction and limitation among the Hydroida. 

 Annals and Magazine of Natural History, 3rd ser. vol. 

 XIII, pp. 345-380. 



1877. Report on the Hydroida collected during the exploration 

 of the Gulf Stream by L. F. de Pourtales, assistant, 

 U. S. Coast Survey. Memoirs of the Museum of Com- 

 parative Zoology at Harvard College, vol. V, No. 2. 

 Cambridge. 



Billard, A. 



1907. Hydroides in Expeditiones Scientifiques du "Travail- 

 leur" et du "Talisman," tome VIII. 



Bonnevie, K. 



1899. Den Norske Nordhavs-expedition, 1876-1878, XXVI. 

 Zoologi. Hydroida, Christiania. 



Broch, H. 



1903. Die von dem Norwegischen Fischereidampfer "Michael 



Sars" in den jahren 1900-1902, in dem Nordmeer gesam- 



melten Hydroiden. Bergens Museum Aarbog, No. 9. 



Christiania. pp. 1-14. 

 1909. Die Hydroiden der Arktischen Meere. Fauna Arctica, 



bd. V. Christiania. 



Clark, S. F. 



1876. Report of the hydroids collected on the coast of Alaska 

 and the Aleutian islands by W. H. Dall, U.S. Coast 

 Survey and party, 1871-1874. Proceedings of the Acad- 

 emy of Natural Sciences of Philadelphia, pp. 209-238. 



Ellis, J. and Solander, D. 



1786. The natural history of many curious and uncommon 



zoophytes, collected from various parts of the globe by 



the late John Ellis, Esq., London. 



