120 Platelminthes. — Cestodes. — Trematodes. 



0. Fani. PSEUDOPHYLLIDAE ^'ax Bex. {BothrhcephaMac auct.). Bothria 

 lUiUa aut sulcitnnnia. siniplicia. 



Bothriocephalus P>kems. {Bothriocejihalus-Dibothrhis Rld., Bibothrius Dies.). 

 Corpus transverse plicatum vel articulatum, taeniiforme; coUum depressiim aut tere- 

 tiuscidum aut nuUum; caput diversiforme, bothriis duobus oi^posifis marginalibus aut 

 lateralibus oUomjis ovalibus aut suborbicuJaribus; aperfurae f/enitates in articulis 

 posticis unilaterales aut in utroque latere oppositae, discretae auf unimarginales; penes 

 tiliformes retracfiles. 



1. B. crassiceps Kid. Caput subglobosum , utrinque sulco lonj^itudinall 

 laterali, apertura centrali bilabiata, antica; bothria ovalia, subterminalia mar- 

 ginalia longa; corpus ellipticum, articulis usque ad dimidiam corporis loiiiiitudinem 

 increscentibus , hinc decrescenti1)us , margiuibus posticis utriuque prominentibus. 

 Longit. 7 — 54 mm, lat. ad 2 mm. 



Habit. : (rar/^^s il/er/i<c/»s, intestiuum duodeuum: Pisa (Gr. "Wagexer), Xapoli 

 (RfDOLPHi); Adi'ia : Padova (Molix), Trieste (Stossich). 



2. B. Loliginis DCh. {Dibothrium gracUe Dies.). Caput subglobosum, bo- 

 thriis elongatis aniinistis marginalibus ; collum excavatum; corpus depressiusculum 

 retrorsum attenuatum, l)revissime articuhituin. Long. 9 mm, hitit. 0,3 mm. 



Hal)it. : Loligo rnlgaris, intestinum: Napoli (Delle Chiaje). 



3. B. imbricatus V. Crs. {Dibothrium imbricafum Dies.). Caput subtetra- 

 gonum apice truncatum, bothriis ovalibus antice convergentibus lateralibus ; colliim 

 uullum; articuli breves, subaequales. Long. ultra V2 ped., latit. 2 mm. 



Habit. : Chelonia vi//das. intestinum: Xapoli (Groh.maxn). 



4. B. claviceps Ki;d. [Dibothrium clacire/is Dies.). Caput oblongum bo- 

 tliriis angustis lateralibus; coUum nuUum: articuli superiores brevissimi, medii 

 oblongi, reliqui subquadrati margine postico tumido; aperturae genitales orbi- 

 culares, marginales, alternae. Long. ad 3 ped., hit. 1 — 3 mm. 



Habit.: Conger Cassini, intestinum: Napoli (Ri-dolphi); Anguilla rulgaris, 

 intestinum: Pa(b)va (Molix). 



5. B. plicatus Rud. [B. truncatus F. S. Leuck., ])ibolJirium /tlicatum Dies.). 

 Caput sagittatum compressum, apice truncatum, acuminatum; bothriis oblongis 

 lateralibus; collum longum teretiusculum basi tumidum; articuli brevissimi, demum 

 longiores, margiue postico undulato crispato. Longit. 1 poll. ad 1 ped. , hitit. 

 antice V2, medio 2, postice 1 lin. 



Habit.: Xiphias gladius, intestinuin rectum: Italia (Redi, Spedalieri), 

 Nizza (G. Wa(;exki!). 



6. B. microcephalus Rid. (7^. sagiffalus F. S. Leick., Dibofhrium mega- 

 cephalum Dies.). Capnt sagittatum, apice i-otundatum, bothriis oblongis hiteralibus; 

 colluni nullum; articuli supremi rugiformes, tunc subquadrati, subsequentes bre- 

 vissimi angustati. Long. (5 poll. ad 1 ped., h\t. 1 — 2 lin. 



Habit.: Orfhagoriscus mola, ventriculus, intestinum: Nizza (G. Wauexer), 

 Napoli (Rri)i)i.i'iii). 



7. B. punctatus Rid. [Dibothrium puncfahnn DiES.). Caput oblongum 

 crassiusculum , l^otliriis oblongis, lateralibus; collum nullum; articuli snperiores 

 elongati, subsequentes subciuadrati; aperturae genitales, feminea et niascuhi, in 

 articuli singuli hxtere oppositae. Long. 320 — 4 80 mni, hitit. 1 — 7 mm. 



Habit.: Jlhombus maximu.s, intestina: Rimini, Napoli (Rudolphi), Padova 

 (M(jLix), Trieste (Stossich); Gadus minutus, Napoli (Rudolphi). 



B. angustatus Rid. a praecedente differt capite longissimo, bothriisiiue 

 elongatis; foi.saii variftas. Intcstina: Smrjiaenac scrofar (Rcdolpiu). 



J 



