118 Platelminthes. — Cestodes. 



Habit. : Brancliiae et cavum abdomfhale pisciura marinorum (statu non- 

 (lum evoluto): XqjJiias [/htdius, Gorijphacna hippitris, Brama liaji, Lcpifloptts anfi/reusy 

 Lepadoijastcr Gotianii: Mediterraneum (Nattkrek, ? Eudolphi). 



4. Tetrarhynchus megacephalus Eud. (et T. discophonts Rud. , Duj.,. 

 BolhrioccphahtH hthialns F. 8. Lkcc k. , 'l\ soUdits Dkumm.). Botliria profunda^ 

 subovata, bilocularia, proboscides grossae, subulatae, antrorsum attenuatae. (An 

 T. claviqer aetate provectior, ? von Siebold.) 



H a b i t. : Cavum abdominale (statu nondum evoluto : Prionodon glanciis, in- 

 testinum: Sardinia (Paroxa) ; Ixaja clavata, Sc;illium stellarc: Napoli (Rudolphi) ; 

 branchiae et tunicae ventriculi : Brama Raji: Napoli (Rudolphi). 



5. T. strumosus v. Sieb. {Gijmnorhijncluis rcptans, Anthoccphahis macrurns 

 et interrupfns Rud., Du.j., Floriceps saccatus Blaxch. p. p.). Bothria planiuscula 

 labiata, bipartita; proboscides longae, tenues basi inermes (ita ut dimidio retractae 

 laeves appareant) ; collum capite hmiiius in receptaculum sphaeroideum desinens. 



Habit. : Statu nondnm evoluto in carne muscuhiri Bramae liaji : Napoli 



(RUDOLPHl). 



6. T. viridis Ct. Wgnk. Bothria laterialia bina semilunaria, torosa; pro- 

 boscides breves, collum breve tumidum; oriticia mascula marginalia, feminea late- 

 ralia. Yiridescens. 



Habit. : Ventricuhis, ScijmHus lichia, Laemargiis rostratus: Nizza (G. Wagexeb). 



7. T. striatus (t. W(;xr. Bothria duo isimplicia; proboscides breves, 

 uncini aequales parvi, sacculi breves; colhim infra proboscides reticulatum, penes 

 longi tihformes pilosi. 



Habit. : Intestinum, Mi/Uohates acptila: Nizza (G. Wagener). 



8. T. crassicoUis V. Cks. (RhifnchoJjotlirium crassicolleDiT.^.). Caput bothriis 

 subquadratis hiteralibus parallelis, limbo calloso, apice et basi incurvato; collum 

 ovato-oblongum retrorsum decrescens; corpus depressum articulis supremis brevis- 

 simis, subsequentibus subquadratis longitudinahter rugosis, hnea mediana corporis 

 impressa. Longit. capitis ciun collo lin. 8^'^; corporis poH. 3, lat. 1 hn. 



Habit. : In testicuhs Oxyrhinae cjlaucae: Palermo (Grohmann). 



9. T. crassiceps V. Crs. {lihunchohothrium crassiccps Dies.). Bothria sub- 

 hemisphaerica hiteialia convergentia; colhun breve depressum, conicum; corpus 

 depressiusculum subaequale, articulis supremis brevissimis, subsequentibus longiori- 

 bus, marginibus posticis resupinatis; aperturae genitales marginales et laterales. 

 Long. capit. et coUi 2 hn., corporis uhra 6 poh., latit. ad hn. 2. 



Habit.: Intestina, Lophius piscatorius: Palei-mo (Grohmann); statu hirvae 

 in Brama liaji vivit.: Nizza (G. Wagexer), Napoh (Rudolphi). 



10. T. brevicoUis V. Crs. {lUiijnchdlKithrium Itrcricollc Miu..l Caput bothriis 

 ehipticis, apicc convergentibus, marginahbus, proboscidibus longissimis, exilibus; 

 collum breve depressum; corpus depressum, articulis transverse parahelogramraicis; 

 articuli suprenii brevissimi, uhimi triph) latiores quam longiores. Long. scolicis 2, 

 vermis 18, latit. ad 1 muL 



Habit.: M//lioljatcs atptila, intestinum crassum: Padova (Molin). 



11. T. infulatus ^'. Crs. {A.spi<lurh//nc]tits infulatits Mol., Tctrarhi/nchobofhrium 

 infidatum Dies.). Caput discretum, depressuni tubulosuni, antice et postice de- 

 pressis, acetabuhs („cotyledopsidibus") 4 laterahbus ovatis, binis in marginem 

 dextrum et sinistrum convergentil)Us, diniidia fere capitis longitudine, et probos- 

 cidibus 4 cruciatini oppositis cylindricis brevibus echinatis arniatum; cohum breve 

 depressum diniidia caijitis hititudine ejus^jue apertura posterioro oxstans: cor]ius 

 articuLatuni ; articuli supronii brevissimi, hneares, capitis dimidia latitiidiiio. uhimi 



