1830 139. Ephydra. 



15. E. Jlavescens : Ihorace fusco-flavicanle, capite| 

 concolore; anlennis nigricanlibus, sela lenuilcr puberula;; 

 epislomale modice amplialo, convexo, supernc luberculalo, , 

 seluloso; abdomine bicviler ovalo, cinerco-griscscenle, 

 subnilido; alis cinerco-hvaiinis, ima basi flavicanlibus, di- 

 sco obsolele 5-gullalo, gullis minusculis subsequalibus, 

 scgmenlo coslae 2:do quadruplam 3:lii longiludinem vix 

 superanle; pedibus obscuris. ^f^- (Long. \ — | lin.). 



Mas: abdominis segmenfo 5:to 4:lum longiUidine excedente, 6:to 

 infiexo, orato, apice aciitiiisciilo, 5:tiim jeqvanle. 



Slcnh. Monogr. 175. 6. ^??. 



Hab. in liloribus marinis, mibi in Scauia ad Esperud 

 (prope mare silum) raro obvia ; sed in liloralibus paroe- 

 ciae Jonsberg Oslrogolhia; a D. Slenhammur haud infre- 

 quenler observala mecumquc in ulroque sexu benevole 

 communicata. 



cfQ. Diia[>us proxime prfpcedentibus similis &^ afiinis ; sed ab E. 

 stagnali: colore capilis Ihoracisque paullo lcetiore, in flavecli/ 

 nem sordidam abienle, epistomate forte nonnihil magis amplia-^ 

 to, peristomii ciliis brevioribus, alis cinerascentibus, nec dislin- 

 cfe fuscanis, If^ gutlis obsoletioril^us ; ab E. flavipenni: ciii 

 colore corporis magis accedit, abdomine ovato mullo breviore, 

 alis cinereis im^ tanlum basi levissime llavedine tinclis, nec 

 tolis flavescentibus, gutlis omiiibus parvis subffque magnis, nec 

 sujieriore majore, segmenlo coslffi 2:do nonnihil breviore, tar- 

 sis obscurioribus, &^ maris abdominis segmenlis 5:to h^ 6:to 

 paullo brevjoribus; alque ab utraqtie: magniliidiiie jiaullo mi- 

 nore, antennariim articulo ullimo ajiice nonniliil obtiisiore, b^c, 

 prcPciiiue difTert. — Anlennje breves tola fnsco-nigrae, nec fla- 

 vedinem uUam ad basin sublus arliculi ullimi a Cel. Slenham- 

 rnar indicalam in speciminibus exsiccalis, qiia jam anle oculos 

 halieo, delegere iiolui, licet tamen sine dubio ila in individuis 

 vivis ; sefa tenuissime j^uilierula. Sela vibrissina; ad latera ejii- 



