FOSSA m i .i . 



IKK VI \. A. Adam-. 



Shell ..vatc, profoundly, widely rimate ; spire acuniinai 

 \\horl> roiivrx. drni.ated. with impreed suture: aperture semi- 

 . ner li|> Mraiirht, dilated in front. outer lip arcuate, simple. 

 ./ijfin. F. MI i ss.\ rrs, A. Ad. 



M ( lONB M.IA. A. A<lams, istio. 



Turbinatc. rimately uinbilicated. spin- somewhat elate; whorls 

 ruiivex. OODOentricallj <-ai-inate(l ; outer lip fmihriated, inner lip 

 not dentate; umbilicus mari:ine(l hy a semilunar rib. F. ci\(ifi.i- 

 11:1:1- A. Ad. 



Japan. 



S-.-timi QOTTOIKA, A. Adams, lxn:>. 



Shell spirally ribbed, solid, iiu perforate. F. sui.n i'i:i:r<. A. Ad. 



Japan, 



bn Tri:.\, Lea, 1*33. 



Shell conical, umbilicated ; whorls rounded, cancellated; aper- 

 ture rounded, margin not continuous above, columella thickened 

 and retle.-tcd at the base. F. ALTERNATUS, Lea, Eocene. 



Alabama. 



Siib-viin> FOSSARIOPSIS, Laube, 1*70. 



Di-tiiiirui.-hcd from Foxsarus by its closed umbilicus, and the 

 ealloii.- exj)an.-ion of the inner lip. F. RUGosn-< AKI NA IT>, Klipst. 

 Triamic. 



Submenus KATLINIA, Mayer, W>4. 



Inijirrforate. rather thin, oval-oblon<r, spirally sulcate; outer lip 

 .-implc. inner lip curved, with a central tooth. F. AI.I.ICAIA. 

 Desli. Miocene. F. I'.ADIA, Tenison-Woods, is a recent Australian 



SiibM-enus Ii-nrrrs, Jeffreys, 1> 



Lmperforate, conical, with spiral rows of tubercle.-, apex com- 

 pi.M-d of a >tylitorm ]>rocess of several whorls, closely striated 

 lenirth\\i>e : ajx-rture round. <!. entire, with simple li]>. Operculum 

 nieoii.-. paucispiral. I. TCMKIMTLATO, .leU'reys. 



N. Atlnnti'' n. 



Genni FnSSAIMNA. A.I. A- An-, 1st;:;. 



Auriform, a little depressed, narrowly umbilicated, spire short; 

 apertun- oval, oblique, lip> rounded. Operculum nmltispiral. F. 

 r\ M i \. A.I. A- An-. 



