6o2 
WORMS. TESTACEA. 86. Serpula. 
Vitrevin, 
Minutunit 
• hnperfo- 
ratum. 
Nautilaides 
Semilmtum. 
Planorbis, 
Sfirillumt 
Shell hyaline, glabrous and {lightly curved. 
Schroet, Einl, in conch. 2 , />• 531. »• 1 *• 
Found foffilc in Piedmont : \ of an inch long. 
Shell ^oWdi, thin, tapering gradually. 
Shell round, flraightifli, fmooth, minute. 
Inhabits the Mediterranean, Plane, conch, t. 2. f. 2. 
Shell fo very minnte as not to be difeernable by the naked 
and refembling a fmall briftle or one of the fpines of an Ecb'” 
Shell white, opake, tranfverfely ftriate, imperforate. 
Kanmach. and Adamt Microfc, ^.63;. tab. 14. f. 8' 
Found at Sandwich not very common ; minute. 
86 SERPULA. a Terebella : /f 
univalve, tubular, generally adhering 
other fabllauces; often feparated in^*^^ 
nally by divdlions at uncertain diltaiiC^"' 
Shell flattifh, minute, confluent, verrucofe, fpiral, 
very thin femilunar internal diviflons. 
Sehroet. n. Litterat. 3. tab. 3. f. 22, 23, 
Inhabits Norway feat, adhering to the Madrepora prolifer** ; ^ 
minnte, brownilh or white; of an uncertain figure, {bjn<^d p 
rather oblong, fonietimes more orbicular: divifions p*r‘ 
aperture very narrow. 
Shell regular, oval, loofe, glabrous. 
Gualt. ted. tab, \.f. S. Plane, conch, t, 2 .f, 1 ? 
Martini conch. 1. tub. 3. f. 22. a,b. 
Inhabits the Adriatic and Red feat, and foraetimes found 
Shell hardly larger than a grain of fand, white or yellowilh*. 
whorls prelTed clofe together; aperture narrow, comprefls ‘ 
Shell orbicular, regular, flat, equal. 
Found adhering to fhells. Fn./ucc, 2 ioz. jlf 
Shell refembling a round fcalc, and when broken horiz®" 
exhibiting the appearance of a fpirc in minute conC®’’ 
circles. 
Shell regular, fpit*al, orbicular, pellucid, with round i 
dually decreafing whorls 
Plane, conch, tab. ■ . f. 8. Ginan. adr.l. tab. 2 . f. 7. 
Martini conch, i. tab. 3./’. 20, C, D. nji’ 
