146 Platelmiuthes. — Turbellaria. 



nuUae; ociili duo renitormes distincti: os et pluuynx pone cerebrum oculosque; 

 prorsus sine colore; corpus teres, antice rotundatum, medio leviter intumescens, 

 2 — 3 mm longum, cauda attenuata oljtusa. 



Haliit.; Napoli, frequentissimum (O. Schmidt, v. Ctk.\ff), Slessina (v. Ctkaff': 

 Adria: Trieste (v. Graff). 



m 6. Plagiostoma bimaculatum v. Gkaff. Corpus teres, medio tumidum. 

 4 mm lon^um: sine culure . scd dursum maculis latericiis (pigmenti reticulatiV) 

 notatum; ceterum Pl. Crirardi simillinmm. 



Habit.: \apoli iv. (traff). 



7. Pl. Benedeni v. Cthaff (Vorh-.r Benednii 0. Schm.). Foveolae vibrantes 

 nullae; os et pharvnx pone cerebrum; sine piiiinentt»; oculi duo nigri reniformes, 

 saepe in macuhis coloratas binas divisi. 



Distrib.: Pontus Euxinus. 



H a 1> i t. : Adria : Lesina (0. Schmidt). 



Vorticeros 0. Schm. Tenfaeula duo iii extremifate aiifcriore eorporis. 



1. V. auriculatum v. Ctraff {PJaiiaria aiirieiilata 0. F. M., Euri/lqyfa 

 anrieutafa Dii:s., Voiiiccro^^ jiuteliettnm (X Schm.). Corpus g-racile, 2 — 5 mm long-um: 

 cutis sine colore, bacillis numerdsis instructa : pigmentum reticulatum coccineum 

 aut cerasinum, partes tantum laterales h^-alinae absque colore; os sub cei'ebro 

 paullo pone id. 



Distrib.: Litora Xorvegiae, Magnae Britanniae, Francogalliae. 

 Habit.: Xapoli, ^Messina (v. Ctkaff); Adria: Trieste (v. (traff). 



2. V. luteum Hali.kz (Vorfieeros pntclicttiiin var. tnfea Hali.kz). Corpus 

 ad 8 nim b»nguni , pro l(»ngitudine latius robustius quam V. auriculatum; mar- 

 gines laterales colorati sicut reliquum corpus, tlavidum, apices tantuin tenta- 

 culorum albi. 



Distrib.: Wimereux. 



Habit.: Naptdi iv. c;kaff). 



?>. Subfam. Allostomina v. C^kafk. Oriticium geuitale ventrale iirope ex- 

 tremitatem posticam; organa ovigena duo, organa vitelligena duo discreta elon- 

 gata; pharynx bene formatus in parte dlmidia posteriore corporis, oriticio i-etror- 

 sum directo. 



Enterostoma ('lap. {TetosfomaOv.n^-v., Opistoina Ctr.kfv, Tcfraeeli.-i et Vorfex 

 DiEs. p., ('//Iliiilnisfoiiinm Levixs. p.). Corpns aeqnatiter rittraiis. sinc snteo annu- 

 lari vitjniiifc. 



III 1. E. striatum v. Ctk. {Oinstomum striafnm CiKAFK). ('oipiis 1 mm 

 longum, aiiticc atMiualiter rotundatum, postice acute attenuatum, teres, rubidum, 

 marginibus claris (pigiiifiitum coccineum reticulatum'); oculi 4, par anterius poste- 

 riore minus: musculi Itmgituiliuales fasciatim separati, sei-iebus bacillt^rum interiiositis. 



Habit.: Ailria: Trieste ad Ulvas, Hryozoa et Hydri»idt'a. freqiiensiv. (fKAFp). 



m 2. E. austriacum v. Ctr. Corpus (),7 mm longum, utrinque aeqnaliter 

 attenuatum et obtusatum, teres; integumentum agminibus parvis pigmenti tlavi 

 numerosis coloratum; oculi quatuor. 



Habit.: Adria: Muggia prope Trieste, inter plantas marinas iv. (^kaff). 



AUostoma \'ax Bkx. (Knferosfoma Ulj. p. , Ci/lindrosfomnin Lkvixs. p.). 

 Sutvns (iiiiintdris citlls toinjlorlfins mnnitns in regioiie eerebri. 



m 1. A. monotrochum v. Gr. Corpus teres, 0,7 mm longum, antice 

 rotundum, posticc alduptc attenuatum, ceterum aequilatum, sine colore: oculi 

 quatuor, anteriores minores; cutis vesiculis urticantibus splendentibus miinita. 



Habit.; Adria; Muggia prope Trieste, inter plantas marinas (y. (traff). 



