476 Ascidiae simplice.s. — A. compositae. 



III 1. Rhodosoma callense Hellek {ChevrcuIUis caUensis Lac.-Duth.). 

 Corpus formam cj-lindri brevis, parte postica et laterali afftxi praebet; orificium 

 hrancliiale lobulis 8 — 11, cloacale 5 — (i munitum. Alt. et lat. 8 — 10 mm, oper- 

 culi long. 8 — 10, lat. 5 — 6 mm. 



Habit.: Litora Alg-eriae, la Calle (de Lacaze-Duthieks); Xapoli (Stazione 

 Zoolog.); Adria: Lesina (BrcncH, Heller). 



2. Subfam. Corellinae Herdm. Saccus branchialis trabeculis longitudi- 

 nalibus niunitus; stigmatu curva. 



Corella Ald. et Haxc. Corpus affixum; saccus hrancliialis trahcculis loiigi- 

 tudinalibus sine papiUis; sfipniata curva in infundihulis medium versus protninentihus 

 concentrice disposita, rasis lon<iitudinalihus spiralitcr convohitis; lamiiia dorsalis in 

 scrieni processuum linpuiformiuni soluta; tentacuJa siinplicia; intestinum in latere dcxtro 

 sacci hranchicdis: organa (jciierationis retiformia circa mediam intestini p)artan. 



1. C. parallelogramma Ald. {Ascidia paraUelofiramma 0. F. Mcll., nec 

 Grube). Corpus duplo altius (luam longius, intima parte pallii aflixura; pallium 

 satis crassum, laeve; oriticium branchiale sessile, cloacale siphoni longo insidens, 

 utrumque in medio dorso; saceus branchialis rubro cinctus, oriticiorum margines, 

 sulcus ventralis, organa generationis cretacea; ventriculus brunneus, intestinum 

 olivaceum. — Alt. ad 18, long. 9 mra. 



Distrib. : Litora atlantica Europae. 



Habit.: Sinus Partenopeus (TRAusTKnTV 



4. Fara. CLAVELIXIDAE Forb. Corpus affixum, postice plerumque pedun 

 culatum, basi stoloniferum; testa gelatinosa, raro cartilaginea; oriticia non aut 

 indistincte lobata; saccus brancliialis uon plicatus, plerumque sine trabeculis longi- 

 tudinalibus, trabeculis sine papillis; stigmata recta: tentacula siraplicia, filiformia; 

 intestinum saccum brancliialem post excedens; genitalia in laqueo intestiuali ; pro- 

 pagatione gemmifera colonias forraans. 



Clavelina Sav. Corpus ohlongum, plus minusve pedunculatum, pemmiparum ; 

 tunica hi/(diiia, (jeUitinosa aut cartHaginea ; orificia supcra, circidaria , non lohata ; 

 ptaUium tciiue; saccus hraiichicdis sinc traljccidis fonffifudiiialihus, sfiffmafihus rccfis; 

 infcsfinum saccum hranchiatcm supcrans, ahdomcn foriiians; lamiiia dors(dis dcntafa; 

 tunica communis mdla, individua irre(jidariter sfoloni insidentia. 



1. CL lepadiformis Sav. (incl. CI. liissoana M. Edw., Poli/clinum diazona 

 D. Ch. ex oiiiii. Dkm.a \'alle). Hyalina , lineis thoracis et ventriculi luteis. 

 (Var. a. Ixissoana ^I.Edw. lineis lacteis , non flavis; b. hicincta Giakd, circulo 

 fiavo labiali muuita.) 



Distrib.: Litora atlantica Europae. 



Habit.: Villafranca, Nizza (H. M. Edwards); Napoli (Delle Chiaje), 

 Fusaro, Taranto (TARr.ioM-TozzETTi); Adria : Lussin, Scoglio Zabadoski, 27 org. 

 (Grube). 



Specios Hun descripta: 



Cl. aurantiaca Lah., Banyuls (Lahille). 



Perophora \Vik(;m. Intcstinum latcri sacci hranchialis adjacens, abdomcn 

 mdlum ; orificia dciitibus munifa, hranchi(dc (i, cloacalc 5 minus disfincfis, mollihus, 

 infcr dentes puncfa ruhra oculiformia; cristac hranchialcs papiUis praeditae; individua 

 (dtcrna erccta sfohnii insidcnfia. 



1. P. Listeri \\'ik(;m. Species unica (Interdum orificium Viranchiale lobis 12, 

 cloacale lobis 10 iiracditum. DKLiiA Valle). 



4 



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