m WORMS. TESTACHA. 54. Lepas. 



Inhabits the Ocean, and is found commonly adhering to (hells • 

 fom'ething refem >les a globe cut off in the middle: white' 

 fmoothifh, the lower aperture hexagonal and twice as broad 

 as the upper : lid compofcd or' 4 triangular pieces inferted on 

 a membrane. 



teuleaia. Shell helmet-form, with a lateral aperture. 

 Schrcet. Einl. cc?cb. 3. tab. 9 ftg 20, a, b. 

 Found adhering to the (rdrgonia verrpcofd and ventilabrum: fhell 

 boat-fhaped, fmooth, with a rhombic aperture, 



talmipes. Shell ereel, conic; the valves palmate at the bafe. 

 Inhabits the Ocean. Mant.pl 2 p. 544, 

 Shell white, a little depreffed, fize of a large pea, fmooth: 

 waives 4 — 6, divided as far as the middle into 5 — -6 tegmenta:' 

 lid 4-valved, oblique. 



Ztilipa. Shell fubcubic, fmooth : lid acute and tranfverfely ftriateJ 

 Olaf. hi. Res. 901 B. a. tub. n t fig. 13, 

 Ajcan. ic, rar. Natur tab. 10. 

 Inhabits the Northern Ocean. 



Mitrihz. Shell compreiTed, erect and irregularly ilriate, 



Ellis Philof. 'Iran f. 1758. tab. 23, fig. 4. 



Pet. Gaz. tab. 6, f 10. Rumpf. Muf. tab. 47,/. M 



Klein oflrac. tab. 1 Z.fig. 1 OO. 



SebaMuf. 2. tab. 61 , fig. 8. 3. t. i6>f. 3. 



Cbemn. conch. 8. tab. ico, fig. 849, 850. 



Inhabits the Indian Ocean i white, covered with a dirty yellow 

 fkin ; waives numerous, generally triangular, unequal, acute, 

 feated on a common black peduncle, which is coriaceous, fca- 

 ly and hollow within. 



Scalpellum. Shell comprefled, 13-valved, fmoothifh, and feated on * 

 fcaly peduncle. 



Ellis PhiLof. Tranf. 1*758. tab. 34, fig. 4. 



Guuit. left. 106. fig. C. Klein, t. ] 2, f. 91 ? 



Ma//. Zool. Dan. 3. />. 23. tai. 94, fig. I, 2. 



Zyfcr conch, tab. 439. /5g\ 28 r. 



Chemn. conch. 8. /. 294. Vign. ~J* fi a. A, 



Inhabits North Seas ; lefs than L . anatifera : valves refemblu 

 fcales, 6 each fide, the longer one curved and inclofing 

 others : peduncle very fhort, with annuiar wrinkles. 



Anfirifera.- Shell compreffed, 5-valved, ftriate, feated on a peduncle. 

 Lift, conch, tab. 44, f. 283. Exerc. anat. t. 1 9,/", 4, 5. 

 G»*Zf. 106. fig* 2,3. /l/««, /. 12, /. 2,J. 



Chemn. conch* 8« f#£. 100, A 8c6. 



y * Inhabits' 



