Vermes Testacea. Oftrea. 4*) 
O. tefta fubrotunda nive* tenniffima pellu- 
cida : valva fuperiore in roftrum breve acutum 
terminata. 
^chraet, Eint. in Conch. 3.^. 378. 
Habitat intrinfecus in lepadis tintinnabuli tejla , 
firniijfime adhaerens. 
... 
Ijjg ' O. tefta asquivalvi orbiculari alba : femicir- 
' culis concentricis. Muli, %ool.dan, prodr, 2987. 
Habitat in Oceano feptentrionali ; an diJilnSia a 
reliquis fpecies ? 
123. O. tefta aequivalvi oblonga alba glabra ftria- 
ta : umbone a cardine remoto. Muli. zool. dan, 
prodr. 2988. 
Habitat in Oceano feptentrionali. 
*#* cardinis linea perpendiculariter fulcata. 
’ 124. O. tefta jequivalvi obovata inasquali : hinc 
rotundiore, , 
^f{. Conch. t. 199./. 33. y t. 228,/. 63. 
Klein, oflr. 1 . 8./. 19. 20. 
oeb. muf. 3. /. go. 
Martint Befch. berl. Naturf. 3. t. . f. 20. 21. 
/ Chenin. Conch. 7. t. $g. f. 579. 580. 
^hroet. Einl, in Conch. 3, p, 351. t. 9. f. 5. 
■Habitat rara in Oceano indico ts? americano , te- 
jla ad 2i pellices hnga , figura pernae , alba , 
interdum ferruginea , lamellata , ad cardinem 
laevi , rojiro brevi , redto , aperto. 
hliiij, O- tefta asquivalvi : lobo laterali majore. 
jJ^uf, Eud. Ulr. C33. n. I20. * 
Ru--- - 
muf. t. c^T.fl. 
amb. aq. t. 20./. n. 
ICetn ojir. /. 8./. 15. 
■ ««/ 3. /. 91. /. 6, 
Chemn, 
