160 
The American Geologist. 
March, 189S 
Megathyris, d'Orbigny 1847. 
Argiope, Deslongchamps 1842 
(not Savigny and Aiidouin 
1827). 
Cistella, Gray 1850. 
Zellania, Moore 1854. 
Gw3'nia, King 1859. 
Subfamily Magellaxin.e, n. subf. Beecher. 
Waldheimida' (part), Douville, 1880 ; Terebratellinfe, Davidson. 
Magellania, Bayle 1880. 
Waldheimia, King 1850 (not 
Brulle 1846). 
Terebratella, d'Orbigny 1847. 
Deltliyris, Menke 1830 (not 
Dalman 1828). 
Ismenia, King 1850 (not Dall 
1870). 
"Waltonia, Davidson 1850. 
Magasella, Dall 1870. 
Xeothyris, Douville 18§0. 
Coenothyris, Douville 1880. 
Subfamily Magasin^, Davidson 1887. 
Magasidfe (part), d'Orbigny 1847, King 1850; Rhynchoridpe (part)^ 
King 1850 ; Muhlfeldtinte, CEhlert 1887. 
Magas, Sowerby 1816. 
Bouchardia, Davidson 1849. 
Pachyrhynchus, King 1850. 
Muhlfeldtia, Bayle 1880. 
Megerlia, King 1850 (not Rob- 
ineau Desvoidy 1830). 
Mannia, Dewalque 1874. 
Rhynchoriuffi, (Ehlert 1887. 
? Rhyuchora, Dalman 1828. 
Subfamily Kraussinin^e, Dall 1870. 
Kraussidie (part), Davidson 1870. 
Kraussina, Davidson 1859. 
Kraussia, Davidson 1852 (not 
Dana 1852). 
M e g e r 1 i n a , Deslongchamps 
1884. 
