DORIBIDiE. 373 



Cadlina, Bergh, 1819. 



Diatr. — 8 sp, N. Atlantic, N. Pacific. C. rejmnda^ Aid. and 

 Hanc. 



Back granulated, gill formed by a few tripinnate leaves; ten- 

 tacles flattened, triangular ; lips armed by minute booklets ; 

 radula witb a median-toothed plate, many-toothed lateral plates; 

 male organ armed with booklets. 



JoRUNNA, Bergh, 1879. 



Distr. — N. Pacific Ocean. J. Johnstoni, Aid. and Hanc. 



Back minutel}^ granulated ; gill-leaves tripinnate ; tentacles 

 finger-shaped ; radula without median plate ; lateral plates man}'- 

 toothed ; male organ armed witb a sting. 



Aldisa, Bergh. 



Example. — A. Zetlandica^ Aid. and Hanc. 



Back almost shaggy, soft ; gills composed of six tripinnate 

 leaves ; tentacles wart-sbaped. Radula without median plate, 

 lateral plates many-toothed, teeth erect, staff-like, denticulate 

 externally. 



RosTANGA, Bergh. 



Example. — Boris coccinea, Forbes. 



Back minutely granulate, gills composed of sixteen bipinnate 

 leaves ; tentacles finger-shaped. Radula without median plate, 

 lateral plates many-toothed, teeth bifid at the tips. 



DiscoDORTS, Bergh. 



Distr. — D. Boholensis, Bergh. Philippines. 



Body depressed, rounded or oval, granulate above ; branchial 

 aperture slightly crenulate or bilabiate ; anterior margin of the 

 foot bilabiate, the upper lip fissured ; labial laminae forming 

 minute hooks. 



HoPLODORis, Bergh, 1881. 



Distr. — H. desmoparypha, Bergh. Pelew Islands. 



Armature of the lips consisting of very small rods ; penis armed 

 with several series of conical prominences ; a horn-shaped dart 

 and a dart-gland present ; in other respects like Discodoris. 



AsTERONOTUS, Elirenbcrg. 



Distr. — 5 sp. A. Hemprichii^ Ehrenb. 



Body depressed, coriaceous ; smooth above, frequentl}^ nodose, 

 with a median carina ; branchial aperture stellate ; foot bilabiate 

 in front, the upper lip profoundly fissured ; labial armature none. 



Sph^rodoris, Bergh. 

 Syn. — Actinocyclus, Ehrenb. 

 Distr. — 2 sp. Philippines. S. gr audi flora, Rapp (xc, 98). 



