Euc^opidae. 31 



Phialidium R. Lkt. YcsicuJac marghmlcs numcrosae (13 — 20, 24 — 32, 

 lilures), Irreguiariter inter tentacula (12 — 32) sparsae; cirri marginales nulli. 



1. Ph. variabile Haeck. {Oceania flavidula P^r. et Les., 0. mridicans 

 A. Act., Geri/onia planata Will, Thaumantias duhia Koll., Eucope tlianmantoidcs 

 Ggbe., P/<. riridicans R. Lkt. , Ph. fcrrHgineum, Jiavidulum Kakck., Europe polii- 

 gastrica Metschn. — Forma atlantica : Occnnia phosphorea P. et Les., Thauman- 

 tias sarnica, convexa , globosa Forb.). Umbrella depressa, convexa, in statu juve- 

 iiili aeque alta ac lata, in statu adulto 2 — 3 latior quam altior; ventriculus pyri- 

 formis, ^/e — ^ls diametri disci; os labiis 4 brevibus; gonades c^^lindricae , in parte 

 distante canalium; tentacula 20 — 48 diametro disci breviora, bulbus campanulatus 

 a tilo abrupte discretus; vesiculae 12 — 64, 1 — 2 inter tentacula bina, in quaque 

 1 (jttv.) — 2 — 3 otolitlii. Color varians: viridescens, tlavescens, luce transmissa 

 rubiginosus. Diam. 10 — 12, rarius 20 — 30 mm, altit. 4 — 8 mm. 



Hy d r. : CampamOina acuminata Hincks {Laomedca acuminata Ald., Campanulina 

 ff»i?/8 Vax Bex.). Caulis gracilis, ramosus, distinctissime annulatus in basi , mi- 

 nus distincte versus hydrotliecas , ramis paullum sub caliculis ; liydrotliecae tenues, 

 membranaceae, longitudinaliter striatae, basi quadrata, supra acuminatae; gonothecae 

 permagnae, cylindricae, laeves, longe peduncuhitae, in cauli, plerumque basi proximae, 

 fiut in.stolone; polypi valde extensiles, tentaculis 20 circ, basi membrana nnita. 



Distrib. : Litora europaea, Insulae Canariae. 



Habit. : Fretum Gibraltar (Haeckel) ; Nizza (Peron et Lesueur, Risso, 

 Yera>-y , R. Leuckaet , Haeckel) ; Napoli (Spagxolini) ; Messina (Kolliker, 

 Oegenbaur , SArs , Keferstein et Ehlees) ; Adria : Corfu (Haeckel). 



Mitrocoma Haeck. Foveae apertae margincdes mmierosae (20 — 80 et ultra), 

 tentacula 20 — 200 et plura; inter tentacula cirri numerosi. 



m 1. M. Annae Haeck. (Haloj^sis Amiac Metschn.). UmbreUa plano-convexa, 

 bis vel ter latior quam altior; ventriculus perbrevis, planus, basi quadrata, ^ls — ^/lo 

 diametri disci aequante ; os labiis 4 angustis graciliter crispatis ; gonades cj^lin- 

 dricae, mediam canalium partem occupantes; tentacula 60 — 100, basi bulbosa, 

 2 — 3 diametro disci longiora; cirri 200 — 400; foveae marginales 60 — 100, oto- 

 lithis numerosis in series plures arcuatas dispositis. Color succineus. Diam. 

 30—40 mm, alt. 12 — 20 mm. 



Habit. : Villafranca, Nizza (Haeckel); Messina (Heet\>ig). 



3. Subfam. Eutimidae Haeck. Pedunculus ventriculi adest; vesicuhie mar- 

 glnales 8 adradiales. 



Saphenia Eschsch. Tentacula 2 perradidlia, opposita; cirri marginales 

 numerosi ; pedunculus ventriculi longus; gonades 4 in decursu canalium radialium. 



m 1. S. bitentaculata Eschsch. {Bianaea hitentaculata Q. et G. , '^ Siphono- 

 rlii/nchus hitentaculatus Metschn.). Umbrella alte convexa, fere globosa; pedun- 

 culus ventriculi cylindricus ; basi conica , altitudinem umbrellae fere aequans ; ven- 

 triculus parvus campanulatus ; gonades lineares , fere totam longitudinem canalium 

 radialium occupantes ; tentacula diametro disci circiter duplo longiora ; in margine 

 disci 16 — 24 verrucae et 32 — 48 cirri; vesiculae marginales annulo otolithorum 

 10 — 12 munitae. Sine colore, gonades albidae.' Diam. 10 — 12 mm, alt. 8 — 10 mm. 



Habit. : Fretum Gibraltar (Quoy et Gaimard , Haeckel). (Species a Me- 

 TSCHNiKoFF iu uiari mediterraneo reperta forsan S. dinema Eschsch. [gonades 4 in 

 pedunculo ventriculi].) 



Octorchidium Haeck. Tentacula perradiaHa 4; cirri et tuhercula margi- 

 nalia nulla; gonadcs 8 ad canalcs 4 (4 in suhumhrclla, 4 in pedunculo ventriculi); 

 pcdunculus ventriculi longe cx cavo nmhrellac j^romincns. 



