374 
THE VOYAGE OF H.M.S. CHALLENGER. 
Locality. 
Station. 
Depth 
in Fathoms. 
Bottom 
Temp. 
Nature of 
Bottom. 
Genus 3. Corticella. 
Corticella stelUgera, . 
Sebenico, Algiers, Medi- 
terranean, 
0) 
Genus 4. Rhachella. 
Rliachella compUcata, 
Seychelles, IndianOcean, 
deep water 
Family III. Thrombidae. 
Genus 1. Thrombus. 
Thrombus challengeri, 
16° 45' S., 168° 7' W.,. 
177 
130 
volcanic mud. 
„ abyssi, 
48° 31' N., 10° 3' W., . 
English Channel. 
500 
,, ornatus, 
Seychelles Islands, 
deep water 
Order II. LITHISTIDA. 
Suborder I. Hoplophoea. 
Demus I. Trisenosa. 
Family I. Tetracladidae. 
Genus 1. Theonella, Gray. 
Theonella ferruginea, . 
(?), .... 
0) 
,, prattii, 
East Indies, . 
0) 
„ sioinhoei, 
11° 37' N., 12.3° 31' K, 
Formosa, 
208 
18 
0) 
blue mud. 
Genus 2. Discodermia, 
Bocage. 
Discodermia aspera, . 
Gulf of Manaar, Indian 
Ocean, 
under 65 
„ calyx, . 
Bay of Tokio, Japan, 
(?) 
Bay of Sagami, Japan, . 
30-60 
„ discifurca, 
Port Jackson, Australia, 
30-35 
,, dissoluta, 
Barbados, 
Bay of Sagami, Japan, . 
56 
„ japonica, 
30-60 
„ (?) laevidiscus, 
Gulf of Manaar, Indian 
Ocean, 
under 65 
„ ornata, . 
„ panoplia, 
(1), .... 
5° 49' 15" S., 132° 14' 15" 
(?) 
„ (?) papillata, . 
E., Ki Islands, . 
Gulf of Manaar, Indian 
192 
140 
... 
blue mud. 
Ocean, 
65 
„ poly discus, 
Coast of Portugal, . 
Near Cape St. Vincent, . 
(?) 
374 
Island of St. Vincent, 
West Indies, 
(?) 
„ sinuosa , . 
Gulf of Manaar, . 
Basse Eocks, Indian 
under 65 
Ocean, 
(?) 
,. vermicularis, . 
Bay of Sagami, Japan, . 
100 
Genus 3. Neosiphonia, n. gen. 
Neosiphonia schmidtii. 
Gulf of Mexico, 
80-92 
Havanna, 
80-175 
22°9'30"N.,52°21'20"W., 
292 
Off Morro Light, . 
805 
„ superstes. 
19° 9' 35" S.,179°41'50" 
E., Fiji, . 
173 
315 
coral mud. 
t 
