NO. 1350. NATURAL HISTORY OF THE ISOPODA— RICHARDSON. 23 



P^neiiecs, and Trichoniscus stygins Nemec, from a Gabroviza grotto 

 near Trieste, arc exceptions. 



The family A.sellicltv includes only fresh-water forms. Janirella 

 Bonnier, a recently described genus, containing a single species from 

 the Gulf of Gascony, is the only marine member of this family. The 

 tri))e Phreatoicoidea, represented only in Australia and Tasmania, has 

 until recently had assigned to it only fresh-water forms, Phr^eatoicus 

 ti/p/eus Chilton being obtained from a pimip at Eryeton, New Zealand, 

 Phreatoieu>< atidinilk Chilton from wells at Winchester, South Canter- 

 bury, New Zealand, P. australis Chilton coming from Mount Kosci- 

 usko, in Australia, at a place known as Pipers Creek, Phreatolcns 

 sJie2)hardl Sayce, and Phreatolcoides <j7'acilis Sayce, all being found 

 in fresh water. Two terrestrial forms have recently been described, 

 belonging to two different genera of this family having affinities to 

 the previously' known genera, Phreatoieopsis terricola Spencer and 

 Hall, and Uypsimetopus intrusoT Sayce, the last-named species being 

 found in the burrows of the land crayfish Engseus cunicularus^ the 

 former species leaving casts in the burrows and chambers in which it 

 lives. 



Other fresh-water species are: Ileterias'^ pusilla (Saj^ce) and Jsera 

 guernei Dollf us, the only two fresh-water forms of the family Janiridaj; 

 Cirolanides texensis Benedict from an artesian well at San Marcos, 

 Texas; Criiregensfontanw< Chilton, the only known species of Antha- 

 rida', that is not marine, being found in an old well at Eryeton, New 

 Zealand; Idotea lacustris Thompson from New Zealand; Cleantls 

 lineark Dana from the Rio Negro River, Patagonia; Alitropus (?) 

 typus (Von Martens) from the Kapaus River at Sintang, in Borneo; 

 Telotha AenseZw (Martens) from the Rio Cadea, in Brazil; Ichthyoxenos 

 jellingJiausi Herklots from a fish in the river Tjikerang, in eTava; 

 Livoneca daurica Miers from a river in Dauria (region), Siberia; 

 Olencira prdegustator (Latrobe) from rivers in the eastern part of 

 North America, especially the Potomac; Cymothoa amurensis Ger- 

 stfficker from a tributary of the Amur River, Asia; N^ei'oclla fluvlalis 

 Schioedte and Meinert from the Rio Plata River, near the cit}' of 

 Montevideo, Uruguay; Lathrxna insidiosa Schioedte and Meinert 

 from a river near Santos, Brazil, at its exit into the sea; Amtana for- 

 mosa Schioedte and Meinert from the river lea, in Peru; Ceratothoa 

 laticauda Milne Edwards from the Continguiba River; Tchthyoxenus 

 tiiontan'K'S Schioedte and Meinert from streams in the Himala\'an 

 Mountains; Artystone tr^ysibia Schioedte from the La Plata River, in 

 South America; Clixtilia ovata Dana from the Rio Plata, Patagonia; 

 Pseudione [Paliegyge] horrei (Giard and Bonnier), a parasitic Bopyrid 

 found on a fresh- water species Palsemoii dispar Von Martens; Pseu- 

 dlone [Palcegyge] flwvlati.lU Max Weber, and some forms belong- 



«For the preooc'n]iitHl .Trmirelhi Sayce. 



