l>entaliacea. — Neoraeiiiidae. 177 



H a b i t. : Palenno (Mox.terosato). 



Dischides Jr.KKR. Testa tcres, lacvUjata, postice bifida in ntrnqae latere ^fissa. 



1. D. bifissus Jeffr. {DcntaUum bijismm S. Woud). Testa teres, leviter 

 arcuata, subulata, laevigata, glabra, polita, antice simplici margine acuta, postice 

 billda, in utroque latere tissa. — Long. 12 mni. 



D i s t r i b. : Atlanticum. 



Habit. : Litus Algeriae (Monteros.\to , liaud raro), in salo ante Benzert 

 (Jeffreys) ; Marseille : Garlaban, Ratonneau (Makion), Toulon (Locard) ; Civita- 

 vecchia (Monterosato) ; prom. S. Vito, Palermo (Monterosato) ; „Adventure 

 Bank" (Jeffreys). 



3. Class. Ampliineura v. Iher. 



I. Ordo. Aplaeophora V.IHER. {Solemgastra Ggbr., TelobranchiaKoR. etDA};.). 



Corpus symmetricum, elongatum, rotundatum, epidermide saepe spiculis armata 

 tectuni; facies ventralis sulco pedali munita; os et anus subterminales, ventrales, 

 pharynx plerumque radula armatus ; glandulae salivales ; branchiae interdum in 

 cloaca; cor dorsale; sexus uniti aut separati. 



(1. Fam. CHAETODERMIDAE Fischer. Corpus vermiforme, sulcus pedalis 

 in parte posteriore corporis tantum indistincte praesens; dens impar pharyngeus 

 radulam refert; sexus separati. 



Chaetoderma Lov. Corptis ante et post tumidimi; intestinum sacco hepatico 

 mnnitnm: liraiichinc duac analcs; ncphridia duo separatim in cloacam se apcrientia. 



1. Ch. nitidum Lov. Species unica. MareScandinavicum; siuus biscaj^ensis.) 



2. Fam. NEOMENIIDAE Fischer. Corpus elongatum aut compressum; 

 sulcus pedalis distinctus ; radula adest aut deest ; sexus uniti. 



Neomenia Tullberg {Solcnopns M. Sars). Corpus comprcssum scmiJunare, 

 breve aut chjngtttum; cutis crassa Sincidis ccdcareis armata; radula nulla; ncphridia 

 ductu singulo suh ano sc apcrientia; sp)iculac peniales in cloaca. 



1. N. carinata Tullu. Species unica. 



Distrib. : Maria borealia. 



Hubit.: MediteiTaneum (Fischer); Marseille (Makiox). 



Proneomenia Hurr. Corpus mafjis clomjatum; cpidermis cutictda quasi 

 fjelatinosa strcUis numerosis spiculorum calcarcorum obtusc acicularium et prohni- 

 (jationibus epidermidis munita tecta; radida rudimentaris, coeco inclusa, glanduluc 

 sidivales pcrlongae; glanchda bt/ssalis c partibus duabus discretis constans, fiUs sub- 

 tilissimis; braiichlar anuhs nulhic organon sensns dorso-terminalc. 



m 1. Pr. gorgoniphila Kowal. {Xcomcni(( gorgoniphila Kow. antea). 

 Notae speciei, unicae descriptae, eaedem ac generis. — Long. 10 — 40 mm. 



Habit. : Alger (Kowalevsky), sinus Massiliensis (KowALEvsKy et Marion), 

 Muriceae placomae adhaerens. 



m 2. Pr. aglaopheniae Kow. et Mar. Species nondum descripta. 



Habit. : Sinus Massiliensis, in Agiaoplienia myriophj^llo (Khwalevsky et 

 Marion). 



m 3. Pr. vagans Kow. et Mar. Species nondum descripta. 



Habit. : Sinus Jiassilicnsis, in Zosteris (Kowalevsky et Marion). 



m 4. Pr. desiderata Kow. et Mar. Species nondum descripta. 



Habit. : Sinus i\Iassiliensis, in Zosteris (Kowalevsky et Markin). 

 Caius, Fauna iiicditenanea. IL 12 



