208 Gastropoda. — Gymuobrauchia. 



m 6. Doto aurea Tbixch. (D, aurita Hesse?). Color generalis flavescens, 

 dorsnm reti denso macnlarnm violacearnm ant nig-rarnm tectnm; pes lineis binis, 

 postice lineis transversis conjnnctis violaceis; papillae dorsales ntrinqne 5, serie- 

 bns papillarnm secnndariarnm 4, interdnm 3, prominentinm; coeca hepatica flavido- 

 anrata; vagiua rlnnophoriornm margiue inciso. — Long. 8 mm. 



Habit. : Genova, portns (Trinchese). 



m 7. D. cinerea Trixch. Color generalis ciuereus, dorsnm macnlis fnscis; 

 papillae dorsales ntrinque (>, ad basiu auunlo violaceo ant nigro, apice albo opaco; 

 velum perangustnm, margo auticus serie pnnctorum alborum ornatns; rhiuophoria 

 alba, vagina orificio obliqne truncato. — Loug. 7 mm. 



Habit. : Geuova, portus (Trinchese). 



m 8. D. splendida Tejn( h. ('?/). x^innatifida Mtg., ?7>. ornata Hesse). 

 Papillae dorsales utrinque 7, fnsiformes, valde elongatae, papillis secundariis elon- 

 gato-cylindricis , seriebns 3 — 4 dispositis, albis, apice nigro-maculato , munitae; 

 rhinophoria alba ant fiavesceutia, calice valde amplo; color generalis pallide flaves- 

 cens, niacnlis uigris sparsis. — Loug. 8 mni. 



Habit.: Geuova, portns (Trinchese). 



m 9. D. Paulinae Trinch. {D. ? sti/li(jera Hesse). Color geueralis ciue- 

 rascens ant flavescens; dorsnm taenia lata macularnm bruunearnm aut uigra- 

 rum ; papillae dorsales (utrinqne 5) macnlis ejnsdem coloris mnnitae ; papilla 

 secnudaria apicalis elougata, alba; coeca hepatica flava; velum rndimeutare. — 

 Long. 6 mm. 



Habit. : Geuova, portns (Trinchese). 



Govia Trinch. {Hancockia Gosse). Corpics elonyatum, ca^nit velo munitum, 

 expansionibns dualms Jatcralihns formato, ntraquc papitlis parvis diyitiformibus 4 — 5 

 instructa; pes angulis a)dicis rotundafis; papiUac dorsales idrinquc ujiiscriatae galei- 

 formes, marginibus papillis parvis triangidis munitis; hursa cnidophora nvlla; cnido- 

 cystac sparsac in epithclio faciei convexae papdlaruni; mandihutae margine masticatorio 

 hrevi, serie nnica dentium armato, primis eorum laevihus, rcliquis ad apicem tuher- 

 culis minufissimis snb lente forfissima fantum conspicuis; radula friscriafa; Iwpar 

 diflnsiim ; penis inermis; rhinophoria pcrfoliafa. 



m 1. G. rubra Tbinch. (HancocKia dacti/Iofa Gosse?). Color generalis rubro- 

 amarauthinns ; dorsnm pnuctis albis, interdum coerulesceutibns; radnla seriebus 41, 

 23 in vagiua, 18 extra eam. — Loug. 13 mni, lat. 1,5 mm. 



Habit. : Genova (Trinchesr). 



7. Fam. AEOLIDIIDAE Bcii. Corpns elougatnm, limaciforme; rhinophoria 

 non retractilia; brauchiae verae unllae; papillae dorsales cylindricae ant fusifor- 

 mes, ad apicem saepe bursa cnidophora munitae; auns dorsalis aut lateralis; veu- 

 triculns sacco coeco munitus; os maudibulis mnuitum; radula uui- aut triseriata. 



1. Snbfam. Aeolidiinae Bgh. l^Iargo masticatorius nmndibnlae applanatns; 

 radula uniseriata, deutibns pectiniformibus. 



Aeolidiella Htm. Corpus minus longum, nonnihd deprcssum; rhinophoria 

 simplicia ; nfrirs /xijdltarum numcrosac, papillis comprcssis, )inmcrosis; pes a)itice a)i- 

 gulatus; nungo )nandihnlac laevigatus; dcides radidac mrdio emarginafi ; glandidae 

 oris ptgaliiiac tuhulosac. 



m 1. Ae. Soemmerringii H(iH. {„AcoIidia Soe))ime)ri)igii F. S. Lkt." Bgh.). 

 Color clare ct pellucidi; roscus, papillis cerussiuis. Loug. 40 — 50 mm. 



H a b i t. : Adria : Trieste (Graefke). 



