130 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station VI Ip. 
Organisms from 
the Deposit. 
Rtv a (Setia) albugo, Watson. Obtained at no other locality by the Challenger. 
Recorded from Madeira. 
,, ( „ ) callosa, Manzoni. Obtained at no other locality by the Challenger. 
Recorded from Canaries. 
Utr ulus mamillatus (Philippi). Obtained at no other locality by the Challenger. 
Recorded from North Atlantic and Mediterranean. 
Fossil — Middle Pliocene of Europe onwards. 
,, tornatus, n.sp. Obtained at no other locality by the Challenger. 
Recorded subsequently from Madeira. 
Philine aperta (Linne). Obtained also at Cape Verdes, 7 to 25 fathoms. 
Recorded from Great Britain, Mediterranean, Cape, and 
Philippines. 
Professor Wyville Thomson mentions also a fine Synapta. 
Excluding Protozoa, over 80 specimens of invertebrates were obtained at this place, 
belonging to about 63 species, of which 4 are new to science ; 3 of the new species 
were not obtained elsewhere. 
Diatomace.e. — The following species of Diatoms were observed by Mr Thomas 
Comber in the deposit from Station VIIp. (see also Murray and Renard, Deep-Sea 
Deposits Chall. Exp.) : — 
Amphora robusta, Gregory. 
„ proteus, Gre gory. 
„ bigibha, Grunow. 
„ arcua/a, A. Schmidt. 
„ spectabilis, Gregory. 
„ g revilleana , Gregory. 
„ littoralis, Donkin. 
„ ohtusa, Gregory. 
„ erasm, Gregory. 
Xavicula retusa, Brebisson. 
„ hennedyil, W. Smith. 
„ clavata, Gregory. 
„ sand rt ana , Grunow. 
„ maxima, Gregory. 
„ angul'xa, Gregory. 
„ carin if era, Grunow. 
„ pelagi, A. Schmidt. 
„ futxa, Haifa. 
„ t/raejJU, A. Schmidt. 
„ line at a, Donkin. 
„ nicobariea, Grunow. 
„ donkinii, A. Schmidt. 
„ coffea/ormu, A. Schmidt. 
Namcula pandura, Brebisson. 
„ bomboides, A. Schmidt. 
,, didyrna, Kutzing. 
„ tplendida, Gregory 
„ aspera, Ehrenberg. 
„ consors, A. Schmidt. 
„ sp. (?). 
Cocconeis scutellum, Ehrenberg. 
„ moorei ( = Ilhaphoneis, O’Meara). 
Amphiprora alula, Kutzing. 
Nitzschia pamlwriformis, Gregory. 
,, plana, W. Smith. 
„ jelineldi, Grunow. 
„ upathulata, Brebisson. 
Surirella faxtuosa, Ehrenberg. 
„ mexicana, A. Schmidt. 
„ patens, A. Schmidt. 
„ lata, W. Smith. 
Coxcinodiscus radiatus, Ehrenberg. 
„ nitidus, Gregory. 
„ eleganx, Greville. 
Paralia mlrata, Cleve. 
Ihjalodiscu8 scoiicus, Grunow. 
