tt l»a Chyp*atr®& otelita a Xe® borda moiaa eleye®, at les ololson* 
pin® debordantea qua oelle® d® la Chyp . miorophthalma qu! coat auasi 
garni® » <l*una pat it® d®nt oubpallferm® qui *®img«e dan® la Chyp . obi It® , 
M St. Thomas* ** 
I found in the Museum of Natural History at Turin a specimen la** 
baled "Cyphaetraa obi it® . w It is a specimen of Orb 1c® 11a annularis * 
Another specimen hearing the same label, seen in the Museum d | Kietoir© 
Mature IX® at Paris, is a Sol ene siren , The latter Is a rounded head with 
a greater diameter of about 130 mm. The- sal ices range in diameter fro® 
2 to 3 m®. j distance apart from somewhat less to slightly more than X mm. 
occasionally 2 am. Margins of the calls®® marked by a slightly raised 
rim. Costas in si pi if leant » occasionally extending from one calls® to 
the next. Septa in three complete cycle®, primaria® and second aria© 
reashing the columella? tartiarios shorter, with inner edge® fra®, i.s, , 
not fused to the side® of a lower cycle, Pali variable in development* 
in some e&liees they are large*; flattened above, before all septa except 
the last cyol@§ in other®, several teeth indicat® the position of a palu® 
Columella, lax and papillary. This spec i Sen is the same a® ib*,© Hollae- 
trae a abdita » Bush. £ Mich, 
The original description of Gyp ha at rea obi Ha is not adequate for 
identification: ©ns of the »pm te«j|® fro® the Buohas«l.&|j & Michslftti 
collection is Orbioella annular la , the other the same a® their own 
H#1 last rasa abdita, making it impossible to determine the type. It is 
therefor® beat to drop the mm altogether . 
