~ 569 — 



Tliallocera Swains. contin. 



Synon. Ampullacerae Desh. 

 Amphibolidae Gray. 

 Ampullaceriflae Trosch. 

 Amphiboloidae A<j;ass. 

 Tltalotla Gray 1840. Syn. Brit. 31us. * Ed. 1842. p. 57. 89. 

 Efym. ? d^alog — d^allog^ surculus; ovg^ auris. 



(Agass.) 

 Genus Trochidarum. 

 Thelm (Leacu mscr.) Risso 18-26. Hist. IV. p. 73. 

 Etym. 0?^/?/;, nom. propr. 

 Genus llelicidarum. 



Beck 1837. Ind. p. 10. — subg. Helicis, sectionis 

 intus marginatarum. 

 = Teba Leach. 

 Theca Morris .... 



Eiym. S^J]x)], theca. 

 Genus Pteropodum. 



Sharpe 1846. Quart. Journ. GeoL Soc. IL * > L. et 

 Br. Jahrb. 1847. p. 634. 

 Thecacera Alder et Hanc. 1845. Monogr. Br. Nudibr. 

 Eiym. ^r/.r], theca, xsQug, cornu. *'). 

 Genus Polycerinarum. Cf. seq. 

 Thecathera Gray 1840. Syn. Br. Mus. * Ed. 1842. p. 90. 

 Etym. dt]xt], theca; d-i]Q, animal. (Thecothera 



corr. Ag.) 

 Geniis Doridarum, an i. q. praec? 

 Thecldea Defrance teste Fer. 1821. Tabl syst. p. XXXVIIL 

 Eiym. ^^xt], theca. 

 Genus Brachiopodum, (amiliae Craniarum. Typus: 



Terebratula pumila Lamck. 

 Blainv. 1825. Malac. p. 513. 629. — in Palliobran- 



chiatis symmefricis. 

 Risso 1826. Hist. IV. p. 393. — genus Terebratu- 

 larum. 



59) Tliecacerus Dejean (1833.) genus Coleopterorum, 



