40 
ScissurELLA, D’Orbigny. 
Animal unknown. Operculum none. Shell very small or minute 
heliciform ; spire depressed ; aperture suborbicular, effuse ; outer lip 
with a narrow fissure or slit ; umbilicus open. 
? Anatomus, Montfort. 
ScissURELLA ANGULATA, Lovén. 
Hab. Scandinavia. 
Scissurella angulata, Loven, Index Moll. Scand. p. 20. 
ScissuRELLA PLicaTa, Philippi. 
Hab. Shores of the Peninsula of Thapsi. 
Scissurella plicata, Phil. En. Moll. Sicil. vol. i. p. 187, vol. ii. 
tab. 25. fig. 18. 
Scissurella d’Orbignyi, Scacchi. 
ScissURELLLA STRIATULA, Philippi. 
Had. Peninsula of Magnisi. 
Scissurella striatula, Phil. En. Moll. Sicil. vol. ii. p. 160. 
ScissuRELLA DEcussaTa, D’Orbigny. 
Scissurella decussata, D’ Orbigny, Mém. Soc. d’ Hist. Nat. de Par.i. 
p- 340. 
ScissURELLA CRISPATA, Fleming. 
Scissurella crispata, Fleming, Brit. An. p. 361-366. 
3. MonoGRAPH OF THE GENUS ANATINELLA. 
By Artruur Apams, R.N., F.L.S. etc. 
ANATINELLA, Sowerby. 
Testa ovata equivalvis, subequilateralis, latere antico rotundato, 
postico subrostrato, subtruncato ; ligamento interno, processut 
cochleariformi affivo, dentibus duobus cardinalibus in utrdque 
valud ante processum positis ; impressionibus muscularibus dua- 
bus, anticd oblongd, irregulari, posticd subcirculari; tmpres- 
sione musculari pallii integrd ; appendice cardinali internd 
nulld. 
Shell ovate equivalve, nearly equilateral, anterior side rounded, 
posterior slightly beaked and subtruncated. Ligament internal, fixed 
to a spoonshaped process in each valve, on the anterior side of which 
are placed two rather elongated cardinal teeth. Muscular impres- 
sions two, lateral, distant, the anterior oblong and irregular, the poste- 
rior nearly circular. Palleal impression entire, without any sinus. 
No testaceous appendage within the hinge. 
ANATINELLA SippaLptt, Sowerby. A. testd solidiori, subopacd, 
levi, valde concentricé corrugatd, longitudinaliter obsoleté sub- 
striatd; latere postico, acuminato, subtruncato ; margine dor- 
sali posticé declivi ; processu cochleariformi erasso lato ; mar- 
gine ventrali valde arcuato. 
Hab. 2 
