172 
WORMS. TESTACEA. sc. Phleas. 
55. PHLOAS. Animal an Afcidia: fhell bi- 
valve, divaricate, with feveral leffer dif- 
ferently fhaped acceflory ones at the 
hinge: Anges recurved, united by a car- 
tillage: in the infide beneath the hinge 
is an incurved tooth. 
The inhabitants of this genus perforate clay fpongy ftones and 
wood, while in the younger itate, and as they increafe in fize, 
enlarge their habitation within, and thus become imprifoned : 
they contain a. phofpherous liquor of great brilliancy in the 
dark, and which illuminates whatever 1t touches or happens 
to fall upon. 
* Dattylus. Shell oblong, with reticulate fubfpinous flriz on the upper 
Coffata. 
Siviatde) 
Dare, 
Penn, Brit, Zool. iv. p. 76. tab, 39, fig. 10, 
Lifter Conch. tab, 433. fig. 276. 
Lifler An, Angl. app, tab. 2. fig, 5i 
Lifter exerc. Anat. tab. 19. fig. 1, 2. 
Gualt. tefl, tab, 105, fig. A, B, C, D, 
Seba Muf. 3. tab. 16. fig. a, b, c, d. 
Born. Muf, Caef. Vind. teft. tab. Y. fig. 7: 
Argenv. Concb. tab. 26. fig. H, V. 
Chemni Conch. 8. tab, 101. fig. 859; 
Inhabits among rocks of Eurofe, and fhines by night; § inches 
long: entirely white with fometimes an ochraceous cafl, thin, 
fragile, elongated and wedge-fhaped on the fore-part, convex 
- behind; the margin inflected ; marked with fubipinous flriz 
which become gradually more indiftjn& : Ainge refembling a 
Ípoon: acceffory valves 4. | 
Shell ovate. and ftriate with elevated ribs. 
Lifter Conch, tab. 434. fig , 227. 
Bonann. reer 3. fig. 35. Muf. kirch. 2. f 105. 
Gualt, teft, tab. 105. fig. G. 
Knorr, Vergn. 2. tab. 25. fig. 4. 
Chemn. Conch. 8. tab. 101. fig. 863. 
Inhabits American Seas; white, nearly 6 inches Jong; the ribs 
oblique and armed with elevate {cales or obtufe fpines. 
Shell ovate, and multifarioufly ftriate. 
Guat. teft- tab. Yos. fig. F. 
Ghemn . Conch. 8. tab. 1oz. fig. 864—-866, 
Inhabitg 
