r2S8 
THE VOYAGE OF II.M.S. CHALLENGER. 
* Opostomias micrij^nus, n.g., n.sp. S 
* I \tcli i/stomias microdoii, n.g,, n.sp. T 
* Povo^adiis rostratUii, n.sp. T 
Sternoptyx diaphana (Herm.). S T N 
^ Synaphoh7'anchus hathyhius, n.sp. S N 
* Typhlonus nasus, n.g., n.sp. T 
Xotes on the Bathymeti'ical Distribution . — Of the species enumerated in the above 
list 39 species (or 15 })er cent.) were taken at more than one Station (when taken at more 
than two Stations the number of times is indicated within brackets after the name), 
viz. : — 
Ajtinella pm/unda. 
J-^perella btWn'alif. 
Hyalonema {Stylocalyx) depressum. 
liaUiyiHithex lyra. 
BathyartiK nymmetrira (4). 
/•’reyella tutiercnlata. 
Ophiaraniha conmifa. 
Ophim/Iyjdia convexa (3). 
Oph iom mill m a nn i yeni m . 
AnpidotUculema microtuberculatum (3). 
Cyxterhinm vegica. 
Pourtalegia ceraiopyya. 
lientliodyteg mamillifera. 
C’ucumaria ahyggorum. 
Oneiropharifa mufatnlis (3). 
Pirlopati'ieg rfm/undens. 
llolothurian (?). 
Nothria ehlertn. 
„ jiymobranrhiafa. 
Cythere etraimleidafa. 
Cythere dasyderma (3). 
„ <lidyon. 
Acantliephyra longidens. 
„ sica (4). 
Aristem armatus (3). 
Benthesieymus hrasiliensis. 
Gannadas parvus (3). 
Halporus curvirostris. 
Area (Barbatia) corpuhnta (3). 
„ ( ,, ) pteroessa. 
Sarepta ahyssicola. 
Dentalium Jeeras. 
Bugula reticulata. 
Farciminaria delicatissima. 
Discina atlantica. 
Gonostoma microdon (4). 
Macrurus armatus. 
Malacosarcus maerostoma. 
TygAdonus nasus. 
Of the 97 .species taken in this zone between 2000 and 2500 fathoms, as well as in 
deeper or sliallower zones (those without asterisks), 29 species (or 30 per cent.) were 
taken in tlic zone beyond 2500 fathoms, a list of which has already been given (see 
pp. 1280, 1281). 
The following 52 species (or 54 per cent.) were taken in the zone between 1500 and 
2000 fathoms : — 
Bnlhyartit njmmetrica. 
Atolln tryrillii. 
IhjorrinuM bt lbillianus. 
Frfyflla t'fhinata. 
Opbiarnntha ronmira. 
Of,hioylyj)ha miniUa. 
1 7pbb/mugiuiii amn’ijf^rum. 
A •pidoftifuleina micro! ubernibitum. 
dyd'rhimiM rvAirn. 
„ iryrillii 
Pourtalesia carinata. 
„ ceratopyga. 
Benthodytes sanguinolenta. . 
„ sordid, a. 
Curumaria abyssorum. 
Oneirnplianta mntabilis. 
Psexulostichojms villosm. 
Psyrhnqmtes Imgicauda. 
ticotoplanes globosa. 
PUascolosoma flagriferum. 
