KUNGL. SV. VET. AKADKMlfSNS HANULiNUAK. 



BAND 41. n:o 4. 



27 



***. Papillae in one row on each side or in clusters, club-shaped; 

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

 tacles replaced by flattened side-lobes of the head 



Embletonia Alder & Hancock. 



[3. Penis aimed with a straight or bowed spine; glandulse ptyalinse present; mandibular 

 margin with one row of minute denticles: papillae inflated Amphorina Quatkefages-. 



+ +. Radula 1.1.1, the laterals very broad, without denticles; margo 



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



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



club-like and tuberous ; rhinophores the oral tentacles ; no 



glandulse ptyalinae Capellinia Trinchese. 



ß. Penis unarmed; papilla? inflated, smooth; rhinophores V ; — V ? > 



the oral tentacles ; glandulse ptyalinae present ; laterals of the 



radula very broad Galvina Alder & Hancock. 



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



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



Coryphellinae). 



+ . 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; papillae in clusters or in irregular transverse rows; 



foot with produced anterior angles ; mandibular margins with rows 



of fine denticles Coryphella Gray. 



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

 side; mantle-margin more or less prominent over the sides; the papillae in irregulär 

 transverse rows; foot rounded or with produced angles; mandibular margins with rows 

 of fine denticles (or smooth?) Chlamydia Bebgh (incl. Goniseolis 



M. Sabs of Bekgh 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 

 with the angles much produced (subfam. Favorininee) 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. Facelininae) Facelina Alder & Hancock. 



II. Dorsal papillae without cnidocysts. 



A. Papillae 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. Janinae). 

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



0. Papillae dichotomically branched, in one row on each side; foot rounded in 

 front; penis unarmed: radula 1.1.1; mandibular margin coarsely den ta ted 

 (subfam. Heroinae) Hero Loven. 



