Beiträge zu einer Monographie der Polyceraden. 



161 



Lamellae mandibulares trianguläres, fortes. Badida angustior; 

 rhachis serie dentium spuriorum instructa; pleurae dentibus lateralibus 

 duobus majoribus, quorum externus major, et dentibus externis sat paucis (7). 



Glans penis? 



1. X. lacera (Abildgaard). 



Hab. M. atlant. or. 



2. — ramosa Verrill et Emerton. V er rill, Not. of — marine Fauna 



— of New. Engl. Nr. 2. Amer. Journ. of sc. XXII, Oct. 1881, p. 301. 

 Hab. M. atlant. occ. 



6. Triopha Bgh. 

 Vgl. E. Bergh, On the nudibr. gasteropod nioll. of the North Pacific. Oc. 

 (Dali, Explor. of Alaska I, art. 6) II, p. 261—266, pl. XIV, fig. 17-20 ; 

 pl. XV, fig. 1-10. 



Forma corporis fere ut in Triopis sicut qiioque limbus frontalis, 

 margo dorsalis appendicibus nodosis vel breve ramosis; rhinophoria 

 retractilia clavo perfoliato; branchia paucifoliata fdliolis tripinnatis; tentaeula 

 auriformia. 



Lamellae mandibulares trianguläres e baculis minutis compositae. 

 Badula angustior; rhachis dentibus spuriis compluribus (4); pleurae 

 dentibus lateralibus majoribus compluribus (3 — 4) et serie (10 — 11) 

 dentium externorum. 



Glans penis armata. 



1. Tr. modesta Bgh. 



Hab. M. pacific. 



2. — Carpenteri Stearns. 



Hab. M. pacific. 



7. Crimora Alder et Hanc. 



Vgl. Alder and Hancock, Descr. of a new Gen. and some new sp. of 

 Naked. Moll. Ann. mgz. n. h. 3 S., X, 1862, p. 263-264. 



Corpus limaciforme, limbo frontali cirrhis compositis, margine 

 dorsali cirrhis simplicibus ornato; rhinophoria retractilia clavo perfoliato; 

 branchia paucifoliata foliolis tripinnatis; tentaeula tuber culiformia. 



Armatur a labialis? Badula latiuscula; rhachis nuda; pleurae multi- 

 dentatae, dente laterali singulo majori hamato, dentibus externis du- 

 plicis ordinis, partim brevioribus, partim elongatis denticulatis. 



Glans penis? 



I. Cr. papillata Aid. et Hanc. 



Hab. M. atlant. (Guernsey). 



8. Thecacera Fleming. 

 Vgl. Alder and Hancock, Monogr. of brit. nudibr. moll. part VI, 1854, 

 fam. 1, gen. 5; part VII, 1855, p. 44, fam. 1, pl. 21a; pl. 46 supplem., 

 fig. 18—19. 



Z. B. Ges. B. XXXIII. Abh. 21 



