100 Report on the Rules of 



t = c (Mrmw/>j|i'i}) Hippocrena, not Hippochreneg. 



£=.r (E,evns) Xenus, Xenophora. 



p = r (-n-Tepoi) Pterum. 



v = y (vfios) Hyboliihus, not Hibolithns. 



ai=OB (Xtfir(uos) Limncea, not Limnea. 



av=au (yXaw^os) Glaucus. 



ei=i (^6?Aos) Chilostoma, not Cheilostoma. 



ev=zeu (evpos) Euros. 



q>, ot—ce (oiKew) Diceca, Dmdrceca, not Dioica, Dendroica. 



Final ov = um (Ityimriov) . . Ephippium, not Ephippion. 



Final o> = ms (vfifaXos) . . Euomphalus, not Euomphahs. 



ov=u (Xovri)piov) Luterium, not Lotorium. 



yy — ng (ciyyupeiu) Angaria. 



yy = nch (ay \iaropor). . . . AncMstoma, not Angistoma. 



yKsatic (ayKierrpor) Ancistrodon, not AgTcistrodon. 



p' = r7i (ptja) Rhea. 



' = h (eppaia) Hermeea, not Ermcect. 



b. Compound Greek words, in which the attribute should pre- 

 cede the principal word. 



Examples : Stenogyra, Pleurobranckus, Tylodina, Cydostomum , 

 Sarcocystis, Pelodytes, Hydrophilus, Rhizobius. 



Words formed like Hippopotamus, Philhydrus, Biorhiza, in which 

 the attribute follows the principal word, are to be avoided. 



c. Latin substantives ; adjectives and past participles are not 

 recommended. 



Examples : Ancilla, Auricula, Cassis, Conus, Dolium, &c. 



d. Compound Latin words. 



Examples : Stiliger, Dolabrifer, Semifusus. 



e. Greek or Latin derivatives expressing diminution, comparison, 

 resemblance, or possession. 



Examples : Lingular ius, Lingulina, TAngulinopsis, Lingulella, 

 Linyulepis, Lingulops, all derived from Lingula. 



f. Mythological or heroic names ; if not Latin these should be 

 given a Latin termination. 



Examples : Osiris, Vtnus, Brisinga, Yelleda, Crimora ; ^Egirus, 

 Goiululia. 



g. Names used by the ancients. 

 Examples: Cleopatra, Belisarius, Melania. 



