1248 
THE VOYAGE OF H.M.S. CHALLENGER. 
Station 346 . 
OROANISM8 PBOM 
SURPACB-NBrS. 
.Station 347 . 
X Pulvittulitui patagonica (d’Orbigny). Rotalia soldanh, d Orbigny, 
pauperata, Parker and Jones. Nonionina umhilicatula (Montagu). 
X „ tumula, Brady. Pohjstomella stnafqpunctata (Fichtel and Moll). 
Surface Organisms. — The following species are recorded from the surface at this 
Station : — 
Radiolaria (Haeckel, Zool. pt. 40). 
Siphonoftphjey'a socialis, Haeckel. 
Artiscus hystrix, Haeckel. 
Xiphacantha ciliata, Haeckel. 
LychnaspU giltschii, Haeckel. 
Icosaspis elegans, Haeckel. 
Gorgonetta mirabilis, Haeckel. 
Casta nidium huchanani, Haeckel. 
„ moseleyi, Haeckel. 
Castamu'a tizardi, Haeckel. 
Conchidium argiope, Haeckel. 
Ccelodendrum spinosissimum, Haeckel. 
SiPHONOPHOR^ (Haeckel, Zool. pt. 77). 
Velclla scaphidia, P^ron and Lesueur. 
Armenista sigmoides, n.g., n.sp. 
Aglaisma gegenbauri, n.sp. 
Calpe gegenbauri, n.sp. 
Amphipoda (Stebbing, Zool. pt. 67). 
Phronimella elongata, Claus. 
ScHizopoDA (Sars, Zool. pt. 37). 
Thysanopoda tricuspidata, M.- 
Ed wards. 
Nematoscelis rostrata, n.g., n.sp. 
Tunicata (Herdman, Zool. pt. 76). 
Salpa democratica - mucronata, 
Forsk§,l. 
The tow-nets procured OscillatoriacejE in great abundance, Pyrocystis, Diatoms, 
Peridinium, a few Coccospheres and Rhabdospheres, Globigerina, Orbulina, Pullenia, 
Sphieroidina, Pulvinulina, Medusae, Siphonophorae, Sagitta, Alciopa, Tomopteiis, 
.\phro<litacean larvae, (Dopepods, Hyperids, Decapods and larvae, Atlanta and other 
Heteropwls, various species of Pteropods, Appendicularia, Doliolum, and small fishes. 
A tow-net sent down to 200 fathoms yielded Challengeridae and other deep-sea Radiolaria. 
Station 347 (Sounding 497), Ascension Island to St. Vincent (see Chart 12 and 
Diagram 7). 
April 7, 1876 ; lat. 0* 15' S., long. 14“ 25' W. 
Temjierature of air at noon, 81 “'8 ; mean for the day, 81 "4. 
