1‘280 
THE VOYAGE OF II.M.S. CHALLENGER. 
Ihujrda reticulata, u.sp. S T N 
* CeUepora sohda, u.sp. S 
Cellularia crateriformis, u.sp. S 
Crihrilina monoceros (Busk). S N 
Farcimiuaria ilelicatissima, u.sp. T N 
,, magna, u.sp. S 
Kiuetoskias cgathus, u.sp. S N 
* PhylacteUa sp (?). N 
Brachiopoda : 
Terehratula ivycillii, u.sp. S T N 
Tunicata : 
* Abyssascidia wyvillii, n.g., u.sp. S 
* Ilathyonciis minutus, u.g., u.sp. N 
* llypohythius calycodes, u.g., u.sp. N 
* Pyrosoma sp. (?) (surface). S 
* Sty da hythia, u.sp. S 
* „ squamosa, u.sp. S 
Fishes : 
Astronesthes niger. Rich. T 
* Bathyonus tsenia, u.sp. T 
* Bathypterois longicauda, n.g., u.sp. S 
* „ longipes, n.g., n.sp. S 
Chaidiodus sloanii, Bl. Schn. T N 
® Gonostoma microdon, n.sp. S T N 
* Ilalosaurus rostratus, n.sp. N 
* Idiacanthus ferox, n.sp. N 
o Macrurus Jilicauda, n.sp. S 
* Mixonus laticeps, n.g., n.sp. T 
* Nealotus tripes, Johnson. N 
o Nemichthys infans, n.sp. T 
Sternoptyx diaphana (Herm.). S T N 
Xotes on the Bathymetrical DistHhution. — Of the species enumerated in the above 
list the following eleven species were taken at more than one Station in this zone ; 
one of these {Oneirophanta mutabilis) was taken at three Stations, and another 
{Gonostoma microdon) at six Stations, the remaining nine each at two Stations. 
BcUhyactis symmetrica. 
A ntedon abyssicola. 
Phormosoma tenue. 
Oneirophanta mutabilis (3). 
Pseuflostichopus villosus. 
Myriorhele heeri. 
Scalpellum regium. 
Gennadas parvus. 
Bugula reticulata. 
Terehratula wyvillii. 
Gonostoma microdon (6), 
Of the G5 species noted in the above list as taken by the Challenger in the zone 
beyond 2500 fathoms, as well as in lesser depths (those without asterisks), the following 
29 sjKJcie.s (or 45 per cent.) were obtained in the zone between 2000 and 2500 fathoms : — 
Utannnma coralloides. 
„ dentlroules. 
Redhydorw jimbriatus. 
BaihyftotheM paiula. 
Amjihianthus omalus. 
HaihyactU symmetrica. 
f)phiogly/tha lacnzei. 
„ omata. 
Itcnthfclylr^ mnguinolmta. 
• fnrirophanta mutahihs. 
Pseudostichopus villosus. 
Busliiella ahyssorum. 
Eujtista darwini. 
Lxtmonire producta. 
Placnstegus omatus. 
Cy there dasy derma. 
„ diet yon. 
Benthesieymus crenaius. 
Aeanthephyra sica. 
Gcnnotlas jmrims. 
