SPONQOZOA. 567 
freysi). In the supplement, the following new species are described and 
figured : — 
Bymeniaciadon foliatus^ p. 182, pi. Ixxi. figs. 1 & 2 (Shetland) ;^rmus, 
p. 186, pi. Ixxii. figs. 1 & 2, and radiosal-us']^ p. 187, pi. Ixxii. figs. 3 & 4 
(Jersey) ; placentula, p. 189, pi. Ixxii. figs. 5-9 (Hebrides) ; plumiger, 
p. 191, pi. Ixxii. figs. 10 & 11 (Guernsey); tegeticula, p. 216, pi. Ixxiv. 
figs. 16 & 17 (Jersey) ; medius^ p. 291, pi. Ixxxv. figs. 11-13 (Plymouth) ; 
aldousi, p. 347, pi. xcii. figs. 3-11 (Torquay). 
Polymastia conigera, p. 192, pi. Ixxii. figs. 13-16 (Shetland). 
Halichondria foliata, p. 198, pi. Ixxiii. figs. 1-5 (Shetland, Scarborough) ; 
edusa^ p. 201, pi. Ixxiii. figs. 6-9 (Jersey) ; regularise p. 202, pi. Ixxiii. 
figs. 10 & 11 (Sark) ; couchie p. 203, pi. Ixxiii. figs. 12-15 (Cornwall); 
falcula, p. 208, pi. Ixxiv. figs. 1-3, and mutulae p. 209, pi. Ixxiv. figs. 4-8 
(Shetland); expansa^ p. 212, pi. Ixxiv. figs. 9-13 (Sky); amhiguae 
p. 213, pL Ixxiv. (Jersey); macintoshie p. 340, pi. xci. figs. 18 & 19 (St. 
Andrews). 
Isodictya laciniosae p. 219, pi. Ixxv. (Shetland) ; ohscura, p. 224, 
pi. Ixxvi. figs. 1 & 2, pi. Ixxxvii. fig. 11 (Hastings, Jersey); imitatae p. 226, 
pi. Ixxvi. figs. 3-6 (Belfast) ; coriacea, p. 228, pi. Ixxvii. figs. 7-12 (Strang- 
ford Lough) ; ingalli, p. 241, pi. Ixxviii. figs. 1-4 (Southport) ; Jilamenta, 
p. 286, pi. Ixxxv. ; luteosa, p. 288, pi. Ixxxv. figs. 5-7 (Portanferry, Strang- 
ford Lough) ; invalidae p. 289, pi. Ixxxv. figs. 8-10 (Plymouth) ; incertae 
p. 314, pi. Ixxxix. figs. 3 & 4 (Mull) ; duhia, p. 325, pi. xc. figs. 4-7 
(Clew Bay) ; rugosa^ p. 332, pi. xci. figs. 1-5 (Hastings) ; tumulosae 
p. 344, pi. xcii. figs. 1-7 (Torquay) ; funalis^ Ann. N. H. (4) xv. p. 176 
(on a cable, 150 miles from Land’s End). 
Raphiodesma (g. n.) sordida[^-dum'] (1) p. 230, pi. Ixxvi. figs. 13-19 
( J ersey, Ramsgate) ; simplicissima p. 323, pi. xc. figs. 1-3 (Mull). 
Desmacidon columbellae p. 241, pi. Ixxviii. figs. 6-8 (Exmouth) ; co- 
JP^osa[-sws], p. 265, pi. Ixxxii. figs. 2-8 (Jersey) ; caverwuZa, pi. Ixxxii. 
figs. 9-12 (Shetland) ; incognituSe p. 292, pi. Ixxxv. figs. 14-^16 (Fowey 
Harbour) ; pannosuSe p. 312, pi. Ixxxix. figs. 1 & 2 (Jersey) ; similaris, 
p. 319, pi. Ixxxix. figs. 14-20 (Jersey) ; rotalis, p. 327, pi. xc, figs. 8-14 
(Hastings). 
Hymeraphia coronulay p. 246, pi. Ixxix. figs. 1-4, and simplex^ p. 255, 
pi. Ixxx. figs. 2 & 3 (Shetland). 
Hymedesmia occulta^ p. 250, pi. Ixxix. figs. 9-11, inflatae p. 248, 
pi. Ixxix. figs. 5-8, s^w^pZ^c^ [ss^] ma, p. 253, pi. Ixxx. fig. 1, and twJis- 
tinctae p. 304, pi. Ixxxvii. figs. 1-10 (Shetland). 
Normania (g. n.) crassa, p. 258, pi. Ixxxi. (Shetland). 
Ecionemia coactura, p. 269, pi. Ixxxii. figs. 13-19 (Guernsey). 
Microciona fraudator^ p. 275, pi. Ixxxiii. figs. 7-11 (Polperro, Fowey 
Harbour); Icentiie p. 317, pi. Ixxxix. figs. 9-13 (Jersey, ' Strangford 
Lough) ; simplici\ssi]mae p. 204. pi. Ixxiii. figs. 16-19 (Shetland). 
Ciocalypta leei^ p. 296, pi. Ixxxvi. figs. 1-4 (Ilfracombe). 
Dysidea coriacea^ p. 341, pi. xci. fig. 20 (Hastings). 
Chalina inornata, pp. 277 & 359, pi. Ixxxiii. figs. 12-16 (Mounts Bay). 
Tethea spinosq^ p. 279, pi. Ixxxiii. figs. 17-22 (Fowey Harbour). 
Dictyocylindrus rectangulus, p. 281, pi. Ixxxiv. (Shetland). 
