2 Toe 
415. HyDATINA PHYSIs, Linneo. 
Bulla physts, Ehrenberg, Symbolae physicae, 
Decas 1° (1831). 
Hydatina ‘physis, Reeve, Conch. icon., tav. I, f. 2. 
Tor (Hemprich e Ehrenberg). 
416. Arys soLIDA, Bruguière. 
Bulla solida, Ehrenberg, Symbolae physicae, 
Decas 1.° (1831). 
Si trova presso Tiran e Gedda. 
417. BuLLa (Haminea) pemPHIx, Philippi 
Bulla pemphix, Philippi, Zeitschr. fiir Malakoz., 
IS 22: 
» » Sowerby, Thes. Conch., p. 980, 
AVE CRNINVE 9 
Haminea pemphix, Reeve, Conch. icon., tav. II, 
PoT2: 
418. ALICULA CYLINDRICA, Linneo. 
Bulla alicula, Sowerby, Thes, Conch., p. 
008, tav. CXXV, f. 126. 
Alicula cylindrica, Ehrenberg, Symbolae physi- 
cae, Decas 1*, tav. II, f. 6,7 
(1831). 
Isola Tiran presso Ras Mohammed (Ebrenberg). 
Costa Africana del Golfo Arabico (Brocchi). Suez (!). 
419. ALicuLA BACILLUS, Ehrenberg. 
Bulla bacillus, Ehrenberg, Symbolae physicae, 
Decas 1.* (1831). 
I 4; a, 
Lai 
