4S6 On the Voyage of l Le Travailleur? 



require attentive study, and cannot be determined at a glance. 

 It will therefore suffice to say that there were many which 

 were not familiar to me, belonging apparently to the genera 

 Asteronyx (parasitic on Isis, rather small, and possibly distinct 

 from Loveni), Ophiomusium, Ophiacantha, Ophioscolex, toge- 

 ther with a remarkably large and fine form, which I was 

 unable to refer to any genus known to me. An Ophiurid 

 was also met with which I had discovered last year in Norway, 

 and which I propose to name Amphiura Danielsseni. 



Sponges, with respect to the number both of species and of 

 specimens obtained, were scarce. Thenea muricata (Bower- 

 bank) {—Wyvillethomsonia Wallichii, P. Wright), and Hol- 

 tenia Carpenteri, Wyv. Thomson, only occurred in a young 

 state ; and a little bunch of the strong coarse spicula of the 

 great Askonema setubalense , Kent, came up wrapped round 

 the dredging-line ; a single Hyalonema lusitanicum, Bocage, 

 was dredged in about 600 fathoms ; and a fine though dead 

 specimen of Farrea or Lefroyella was procured, but, un- 

 fortunately, in fragments. 



The Foraminifera of course could not, from their minute 

 size, be examined as they were dredged ; but among the larger 

 forms noticed in the sieves were many very interesting and 

 recently described types. Foremost among these were the 

 largest and most perfect examples of the beautiful Orbitolites 

 tenuissimus, Carpenter, I had ever seen (they equalled a 

 sixpence in size, and were dredged in about 1200 fathoms, 

 July 20), and the very remarkable thread-like Bathysiphon 

 filiformis, G. O. Sars (which, as far as I am aware, had before 

 been met with only in the Norwegian fiords). Arenaceous 

 forms were abundant and fine, and included the following 

 recently described species : — 



Rhabdammina abyssorum, M. Sars. 

 Hyperammina ramosa, H. B. Brady. 

 Saccammina sphcerica, M. Sars. 

 Psammosphara fusca, Schultze. 

 Storthosph&ra albida, Schultze. 

 Astrorhiza arenaria, Norman. 

 Lituola subglobosa, M. Sars. 

 Cyclammina cancellata, H. B. Brady. 



In concluding these rough notes I must express the deep 

 sense I entertain of the kindness, courtesy, and attention 

 which we received from the French naturalists who were 

 members of the Commission, and also from Captain Richard 

 and all the officers of f Le Travailleur/ 



