— 437 — 



Semiliina M'Coy 1844. Carb. Foss. Irel. * Cf. Seminula. 

 Elym. Semis; luna. 



Genus Terebratulidarum, quod King (1846. Ann. and 

 Mag. N. H. *) Hypolhyridi injungit. 



Semiliinaris Linck 1783. Mus. I. p. 90. 



= Littoriua, Natica, Nerita. 



Seminaiitilui^ Klein 1753. Ostrac. p. 4. 

 Etym. Semis; Nautiius. 

 Genus Cochhdum planarum, Hehci inserendum. 



Seminiila M'CoY 1844. Carb. Foss. IreL * teste Agass. 

 Nom., an. err. pro Semiluna? 

 Etym. Semen. 

 Genus Brachiopodum. 



§emipliyllidia Phil. Sismonda vid. Semiphyllidiana. 

 Semipliyllidiacea Brown 1843. Conch. Brit. * 



?= Semiphyllidiana Lamck. 

 SemipliyUidiana (Semiphyllidiens) Lamck. 1819. Hist. VI. 



1. p. 336. (ed. 2a VII. p. 564.) 

 Etym. Vocab. hybr.: Semis; Phyllidiana. Latine 



deditJay 1836. Cat. ed. 2a p. 39. (Hemiphylli- 



diae corr. Ag.) 

 Tertia famiba Hydrobranchiorum. Genera: Pleuro- 



branchus, Umbrella. 



Pariter Sow. jun. 1842. Conch. Man. ed. 2a p. 255. 

 Feruss. 1821. Tabl. syst. p. XXIX. — 2us subordo 



Inferobranchiatorum. Familiae: Umbrellae, Pleu- 



robranchi. 

 Rang 1829. Man. p. 1.37. — 2a fam. Inferobranchiato- 



rum. Genera: Ancylus, Pleurobranchaea, Pleuro- 



branchus, Umbrella, Spiricella, Siphonaria, ad 



quae accedunt (ib. p. 139. nota.) Gervisia et We- 



sternia. 

 Phil. 1836. Moll. Sic. p. 112. et 1844. ib. II. p. 85. 



— Semiphyllidia — genera: Pleurobranchus, 



Pleurobranchaea, Umbrella, Tylodina. 

 Reeve 1841. Proc. Zool. Soc. p. 75. et 1842. Conch. 



