THE ANNALS 



AND 



MAGAZINE OF NATURAL HISTORY. 



[FIFTH SERIES.] 



" per litora spargite museum, 



Naiades, et oircum vitreos considite fontes : 

 Pollice virgineo teneros hio carpite flores : 

 Floribus et pictum, divfe, replete cauistrum. 

 At vos, o Nymphse Craterides, ite sub undaa ; 

 Ite, recurvato variata corallia trunoo 

 Vellite musoosis e rupibus, et mihi conchas 

 Ferte, Deee pelagi, et pingui conohylia succo." 



2V. Parthenii G-iannettaiii Eol. 1 . 



No. 91. JULY 1885. 



I. — On some Deep-sea and Shallow-water Hydrozoa. By 

 John J. Quelch, B.Sc. (Lond.), Natural History Museum. 



[Plates I. & IL] 



The forms described in the present paper consist chiefly of 

 deep-sea Hydroida which were obtained by Mr. G. A. Bishop 

 while engaged in repairing the cable off the Cape Verde 

 Islands. With the exception of the variety oi,DipJiasia pinas- 

 ter ^ which was taken by Mr. Bishop from the Madeira cable off 

 Lisbon, and the specimens of Gryptolaria conferta presented 

 by Miss M'Lea, the Hydroida were taken by Mr. Bishop 

 from the cable off S. Antonio, the depth being, as Mr. Bishop 

 assured me, over 500 fathoms. Though but a very small 

 collection, yet the forms obtained are of great interest, since 

 they belong, with but one exception, either to new or rare 

 species, and throw considerable liglit on the classification of 

 their allied forms. As a contribution to our knowledge of 

 the Hydroida at great depths the collection is a valuable one, 

 while the many points which it serves to elucidate in the 

 characters of structures which had hitherto been imperfectly 

 known or altogether misunderstood give to it a special 

 interest. A definite contribution is thus made to our know- 

 Ann. & Mag. N. Hist. Ser. 5. Vol xvi, 1 



