L 57 ] 
Ps tb Chix, 
BAL Ged) Heit Iv. 
ONISCUS AQUATICUS, 
APTERA:; 
No Wings. 
GENERIC CHARACTER. 
Legs fourteen. Antenne taper. Body oval 
SPECIFIC, CHARACTER 
AND 
SYNONYMS. 
Ath colour: Antenne of four joints. At the end of the tail 
two bifid appendices: 
Oniscus AQUATICUS: caida rotundata, ftylis biftircis, antennis 
quaternis: Sy/?. Ent. 297. 6.—Spec. Inf. 1s 
376. 65 
Onifcus aquaticus lancéolatus, cauda rotundata, flylis bifurcis, Linz. 
Syft. Nat. 2: 1061. 11.—Fn: Sv; 2061, 
Squilla Afellus aquatica, cauda rotundata, ftylis binis bifurcis. Degeer 
: dnf 1.2965 Watab. Sls he. 1. 
Afellus aquaticus Gefneri.. Raj. Inf. 43. 1. 
Sulz. Hift. Inf: tab. 90: fig. 18. 
Frifch. Inf. 10: tab. 5. 
Scheff. élem. tab: 22.- 
ANA rt. \ . es 
Sa Nae : 
This fpecies is lefs frequent than Onifcus Afellus, (Comrtion 
Wroodloufe). It lives in clear waters, moft part of the fummer. It 
G {careely 
