116 SURSARIA. 
Fig. 1. BPurfariam Truucatellam, vaturali, 
2. a dorfo, . 
3. a ventre eum pellucentibus ovulis, 
4. absque ovulis, au&ta magnitudine, exhibent. 
a. pars membrane antice prominula, 
b. apertura, c. hiatus, d. ovula. 
| 120. BURSARIA sULLINA. 
. BunsARIA cymbzformis, antice labiata, Ta. 
XVH. Fig. 5—8- 
Species generis te(tacet. Bu//z dicti refert, 
Animalculum pelluciditate cryftallina , globulisque majori- 
bus & minoribus innatis, fplendidiffimum. ^ Membrana nempe 
cymbzformis fubtus convexa, fupra exeavata, poftice profundi- 
us, antice in labium produ&a. 
Convexa parte flu&uando movetur, raro fefe in cancavam 
vertit; guttula exhalata, in membranam horizontalem fatifcic. 
Semel tantum in aqua, ni fallor, marina reperi. 
Wig. 5. Purf. Bul/iuam, parum auctam, 
6. a ventre concavo , 
7. a dorfo convexo, 
$. eandem complanatam, valde auftam, fiftunz, 
a. labium anticum, 
b, globuli innatà 
12I. 
