Alcyonidae. — Gorgonidae. 59 



basi coriaceum , fuhum cijJindriciim parietihus spiculiferis formans , in quem poli/pi 

 ipsi moUes retrahi possunt. 



ml. P. elegans M. Edw. {Neptaea spinulosaDCH.). Polyparmm spiculiferum, 

 ■colore brunneo ; pars mollis sine colore ; pol^q^i brunnei. 



Habit. : Marseille, sat frequens, 30 — 70 m (Makion) ; cap Sicie (Toulon), 

 90 m (A. MiLNE Edwards); Alger, litora (H. Milxe Edwaeds et Haime) ; „mare 

 della Toscana'" (Richiakdi); Napoli (Delle Chiaje, Stazione zoolog.). 



2. Fam. GORGONIDAE M. Edw. Polyparia affixa, axi sclerobasali cornea 

 aut calcarea , coenenchymate spicula conferta gerente obducta ; cavum corporis 

 polyporum perpendiculariter ad axin directum, canalibus cum aliis communicans. 



1. Subfam. Gorgoninae M. Edav. Axis sclerobasalis omnino aequalis, cor- 

 nea, flexilis, non articulata ; spicula diversae formae, saepe distinctae ; polyparium 

 ;simplex aut ramosum, ramis interdum in punctis tangentibus coalescentibus. 



1. Tribus Primnoaceae Valexc. Coenenchyma spiculis aut squamulis cal- 

 •careis scabrum; polypi ad modum papillarum projicientes. 



Primnoa Lmx. {G-orgonia Pall. p.). PoJnparium dendriticum, axi dura, 

 appendicihus Jongis verruciformihus claviformihus vel mamiJJis pedwicidatis , poJypos 

 singtdos continentihus, squamis imhricatis munitis instructum. 



m 1. P. verticillaris Ehbg. {Gorgonia verticUJata Pall., G. verticiJJaris L.). 

 Polyparium parum ramosum, subflabellatum , album, ramulis rectis subparallelis, 

 polypis subverticillatis, 4 — -6 in quoque verticillo. Sesquipedale. 



Habit. : Nizza (Risso); Spezia (de Notakis); Napoli (Stazione zoolog., 

 V. Koch). 



Muricea Lmx. {Gorgonia Pall. p., Eunicea Lmx. p.). PoJ>iparium ramosmn, 

 ■corticis sp)icuJis sj^inosum, axi cornea ; appendices p^oJjjpiferae sive papiJJac cifJindricae, 

 spimdosae, sjjirida in parte oraJi poJi/porum. 



m 1. M. placomus Ehbg. {Gorgonia ptJacomus L.). Polyparium ramulosum, 

 axi cornea, coenenchymate calcareo, scabro induta; verrucae polypiferae valde 

 prominentes, corona octodentata praeditae. Fuscescens. Latit. 2 poll., altit. 1 poll. 



Habit. : Marseille (Marion); „inare della Toscana" (Richiaedi); Napoli 

 50 — 100 org. (Sars); Adria : Lesina, Lagosta (Hellek). 



M 2. M. echinata v. Koch. Polyparium ramis perlongis, pauciramosis, poly- 

 pis confertis, „operculo" parum distincto; colore subfusco; spicula tentaculorum 

 tuberoso-acicularia, calicis spinosa, os versus acumiuata, basi prominentiis munita, 

 -corticis plerumque 3 — 5 processibus longis irregularibus verrucosis. 



Habit. : Napoli, haud rara (v. Koch). 



m 3. M. chamaeleon v. Koch. Polyparium forma irregulari, ramis longis, 

 ilexilibus, saepe inter se concretis ; polypi sparsi, sine ordine dispositi, in apicibus 

 ramulorum conferti ; calices distincti ; tentacula spiculis destituta, excepta basi aci- 

 Culis angulo inflexis munita; calix spiculis fusiformibus crassis verrucosis, corticis 

 spicula similia, saepe processibus longioribus munita. 



Var. a) sanguinea v. Koch coccinea, spiritu vini violaceo tincta; 1) sul- 

 phurea v. Koch sulphurea spiritu vini fulvescens; forma paullo crassior. 



Habit. : Napoli, Pimta di Campanella, Capri {y. Koch). 



m 4. M. Kollikeri v. Koch. Polyparium ramoso-flabellatum ; tentacula sine 

 spiculis; spicula ,.operculi".magna, curvata, plerumque 16, extus verrucosis; calix 

 «ctolobatus, spiculis confertis, os versus acuminatis, basin versus bifurcatis, ver- 

 rucis altis, partim ramosis ; spicula corticis minora fusiformia, verrucosa. 



Habit. : Napoli (v. Koch). 



