LtMAX FLATUS. 



79 



Original Description.— LIMAX flavus. 7. L. Haviis niaciilatus. /■'/(. Srrr. 'jo!)-.'. 

 Lixf. I'.frrrif. (iniit, 1. f. 1. Liiiiax sncciiii colore, alliiilis maculis insignitus. Ifniiihil 

 inter Herlias (Linn., Syst. Nat., eil. .\., [i. (i.ri, 17.''>S). 



Description. — Animal with a lon.'^- hnt sonicwliat stoniri- limly than the con- 

 generic .species, and varj'ing from 7.5 or 80 mill, to Kill i<v moi-c mill, in lriii;lli \\lieii 

 extended; RODY rounded above, bnt keeled at the caudal cxI rcmity, nsu.ajly of .a 

 dusky amlier-yelluw colour, overspread by grey, with the cxia-ption (if certain rugir 

 which remain yelh>w and are distributeil <i\-er tlie body siugly oi' in couibiuation ; 

 FOOT-SOLE longitudinally trifasciate, whitish M-ith a faint tinge of yellow, sonn;- 

 times narrowly margined with dusky-yellow ; ikjuv-sijmk. thin and liglil -yellow in 

 health, hnt dark-yellow, viscid, and co|iious when scalded: on rcuio\-al (jf tlir uouais 

 after scalding, the SKIN is seen to he of a ilusky-grey ; siiiklu narrow and I'onnded 

 in front, bniader and very obtnsely angulated hehinil, of a 

 dusky yellowish-grey colour, with many oval yellowish spots, 

 paler towards the margins ; i:i-:s]'ll!A'l'oi;\" (iiiii'iiK posteiior, 

 surroundeil by a raised and tinely-s[>otted ri]ig, hr(d<eu an- 

 teriorly by the anal and renal fissures; inside of pulmonary 

 ea\-ity' whitish ; oilMATOPHOliE.s .stout and rather long, of a 

 bUiisli colour, due to the colour of retractor muscles ; LdCie 

 MOTOEY MUCUS plentiful and iridescent; the sui'l:A-l'i':i).\L 

 GLAND has its liilaterally symmetrical luilves arranged on 

 either sides of the median-line, but does not extend into tin; 

 RoUeston, is underlaid by a large venous sinus, very ^-isilili; in 

 the median-line of the foot. 



Shell suhrjuadrately o\-al, thin, white, and con- m 



cave beneath, with corresponding convexity above; jW 



AI'EX or nucleus placeil a little dist;ince from the , V 



posterior margin and slightly to the left side, the 

 concentric lines of increase usually well l)ut mit 

 sharply nnxrked ; periostracal fringe broad and often 

 somewhat calcified. Length, '.) mill. ; breadth, 6 mill. 



Internally, the nervous system lias slightly reniform or bilol 

 with short connecting commissure; the osrilliADlUM is in tlie form ( 

 on the underside of the numtle roof, and extends fi-om the respiiato 

 towards the left. 



The REt^KODUCTlVE ORfjANS are not complex, and do not possess accessory organs. 

 The OVO'I'ESTIS is situate behind the stomach, and is liglit-coioni'ed er bidwiiisb, nfteu 

 with large elements; the OUCT is wdute, slender and vnvy tortuous, terminating in a 

 snnrll and round VESICULA SEMlNALtS; ALliUMEN (ILAND multihdjed, llaky, and of a 

 white or deep-yellow colour, increasing vastly in size at rutting time; tlie SPERJI 



Fir,. 07. — Internnl 

 sliull of L. lla--HS, 

 X 2. 



(Chi-ist.:h[inli, 



I-I.[hls S., 



Mr. C, .\sl,f,jidl. 



i.'d buccal ganglia 

 f a broad channel 

 ry orilice far o\'er 



Fig. 98. 

 Fig. 9S. — Penis-stie.ilti 



inn. 



ul sir 



oviiiuct of Liiiia-v //uvt:<, \.w\ u|ien 1.. .slio v llic 

 enlarged (sifter Simrolh). v.,1. vas defi^reiis ; /. penis ; .i/.j/. spennalheca duct ; ,'7: oviduct. 



Fif 99 — Se.\ual organs of Liiimx flaviis. ad'.g. albumen gland; li. lleart ; /.-. kidney; otc 

 oviduc'l^ ; ct. ovotestis ; A prostate ; p.s. peni.s-sheath ; r.m. retractor ninscle ; sp. sperniattteca. 



Fig. 100. — Hermaphrodite duct at junction with vesicula seminalis of X.y/uj'«i a 10 (after bcharff). 



