KUNGL. SV. VET. AKADEMIENS HANDLINGAK. BAND 41. N:0 4. 27 



***• Papillse in one row on each side or in dusters, club-shapecl; 



foot rounded in front ; mandibular margin smooth ; oral ten- 



tacles replaced by flattened side-lobes of the head 



Embletonia Ålder & Hancock. 



[j. Peuis ;ii-iiied witli a straiglit or bo\ved spine; glanduke pt\-aliiue present; mandibular 

 margin witli one row of minute denticles; papilla;' inflated Amphorina 'Juateefages. 



+ +: Radula 1.1.1, the laterals very broad, withoiit denticles; margo 



mandibularis with one roAv of denticles; foot rounded in front. 



a. Penis armed with a spine; papillae in one series at each side, 



club-like and tnberous ; rhinophores = the oral tentacles ; no 



giandulse ptyalinee Capellinia Trinchese. 



|3. Penis unarmed ; papillse inflated, smooth; rhinophores Vi — V.s > 



the oral tentacles; glandulae pt3'alin8e present; laterals of the 



radula very broad Galvina Ålder & Hancock. 



b. Anus lateral; papillse usually narrow, linear; penis unarmed; foot with 



the anterior angles more or less produced. Radula 1.1.1 (subfam. 



Coryphellinse). 



+ . Body usually elongated; rhinophores long and thin; anus usually 



at or in front of the middle of the right side; dorsal margins usually 



not prominent; papillse in dusters or in irregular transverse rows ; 



foot with produced anterior angles ; mandibular margins with rows 



of fine denticles Coryphella Gray. 



+ +. Bodj- broad or elongated: rhinophores very strong: anus behind the middle of the right 

 side; mantle-margin more or less prominent över the sides; the i>apilli:e iu irregular 

 transverse rows; foot rounded or \vith produced angles; mandibular margins with ro'\\s 

 of fine dentifles (or smooth'?) Chlamylla Bekgh (incl. Goniteolis 



31. 8ars of liEEGH 1886 and 1899). 



2. Rhinophores smooth or annulated with a bulbous swelling below the top ; 

 mandibular margin denticulated ; radula 0.1.0; penis unarmed; foot usually 

 M'ith the angles much produced (subfam. Favorininse) Favorinus Gray. 



3. Rhinophores with laminated clubs; radula 0.1.0: penis with spiny or 

 glandular armament; mandibular margin denticulated; anterior angles of 

 the foot much produced (subfam. Facelininse) Facelina Ålder & Hancock. 



II. Dorsal papillae without cnidocysts. 



A. Papillse with a descending cutaneous membrane; foot rounded in front; penis 

 unarmed; radula 0.1.0; mandibular margin with one row of denticles (sub- 

 fam. Fioninae) Fiona Hancock & Embleton. 



B. Papillae simple, very close, on the sides of the back ; rhinophores laminated ; 

 radula mostly multiseriate ; mandibular margin denticulated (subfam. Janinse). 

 A crista between the rhinophores ; anus dorsal Antiopa x4lder & Hancock. 



C. Papillae dichotomicallj^ branched, in one row on each side; foot rounded in 

 front ; penis unarmed ; radula 1.1.1; mandibular margin coarsely dentated 

 (subfam. Heroinae) Hero Loven. 



