Animaleulum mufeulofum , contra&ile, cylindraceum, 
cute membranacea cryftallina, quafi vagina, difcinGe veftirum; 
capite, trunco & cauda compofitum, — Caput flavieans dimidio 
trunco fere majus, apice deorfum in uncum parvum produc- 
tum, ultra vaginam produci & retrahi potefl. — In abdomine in- 
teftinum duplex flavieans longitudinale ,' alterum. anguftius, 
utrumque mobile. — Maffa obfcurior düriufcula in cohzfione 
corporis & capitis , ac mufenlus deglutorius major mobilis, 
alternatim fefe aperiens & claudens. Intra apicem organum 
micans utrinque pellucet. Cauda corpori homogenea, at an- 
guftior lobata, duabus fpinis validis peliucidis tezminatur; he 
velin angulum acutum, aut re&um, vel paraliele, extendun- 
tur, pía cauda quoque intra corpus condi poteft. ] 
Sepe fingulari corporis inflexione fefe in dimidiz magni- 
tudinis volumen corripit aquam forte hauriens, ae mox producir. 
In aquofis, ubi Zezzza vegetat, raro. 
(9) Aliam pofthac vidi huic maxime affinem, & forfitan 
tantum varietatem, cujus defcriptionem ulterius examinandam 
& comparandam hic fubjungere lubet: 
Erat folida, teres, mutica; caudabrevi, articulis & cufpidi- 
bus binis, Organum rotatorium adeffe, ex utrinque propendenti- 
bus fafciculis pilorum minimorum raro vifibilium, & luore rota- 
tionis, conjicitur. Ab altero latere in corpore jacet maffa oblonga, 
flava, granulofa, an ovarium? Euic adjacet alia anguflior alba 
& longior, an inteftinum cecum? in antica corporis parte mu- 
fculus didymus, qui detruditar & elevatur, an cor feu mufcu- 
lus deglutorius? alia molecula opaca, rotunda, mobilis, fplen- 
dida, cujus ufus vix conftat, — Cauda biarticulata; cufpides bi- 
ne vix articulo longiores. Aqua exhalata valde in globum con- 
trahitur, in moleculas non effunditur, 
Figs. 14 & 16. Cere. Lupum, produ&um, 
15. Capite & cauda conditis; 
Fig. 
