20 Ccel. 
XVI. CCELENTERATA. 
[ 1905 ] 
t Parapsonema cryptophysa , Portage Beds, New York, as belonging to 
Porpitellidse, Fuchs, Ceutrbl. Mineral. 1905, No. 12, pp. 357-359. 
Pennaria tiarella , Woods Hole, Mass., notes, fig., Hargitt (86) p. 33. 
Perigonimus repens , Christiania, fig., P. sarsii on Corystes crassivelanus, 
and Portunus depurator , N. Sea, Broch (22) pp. 6 & 7 ; Perigonimus , 
2 spp., figg., Antarctic, Hartlaub, Exp. Antarct. Belgica Zool. 1904, 
p. 8 ; P. repens , Bonnevie in Nordgaard (128) p. 156 ; P. schneideri 
n. sp., on Membranipora and on Pinna nobilis , Mallorca, Spain, 
de Buen, Bol. Soc. espan. v, p. 517. 
Peripkylla dodecabostrycka, figg., Mediterranean, P. hyacinthina, figg., 
Mediterranean, Maas (113) pp. 44-48. 
Phialidium , genus defined, Phialicium virens , figg., n. subgen., Salomakie 
Is., Maas (115) pp. 32 & 33 ; P. cymbaloideum , P. temporarium, /*. 
buskianum , Valencia Harbour, M. & C. Delap (43) pp. 12 & 13. 
Physophora borealis , fig., Norway, notes, Nordgaard (128) p. 48. 
Ptychogastria polar is, Norway, Nordgaard, t. c. p. 48. 
Plumatella repens in brackish water, Belgium, Loppens, note, Ann. Soc. 
malac. Belgique xl, p. xlix. 
Plumularia catharina u. var, articulata , on Ascidians, Red Sea, P. alter- 
nata , differing from American form, Red Sea, Billard, Bull. Mus. 
Paris 1904, pp. 484 & 485 ; P. pinnata , N. Sea, P. frutescens , P. 
catharina, Norway, Brooh (22) p. 24 ; P. similis, rheotropism, Hallez, 
O. R. Ac. Sci. cxli, pt. 21, p. 841 1905 ; P. pinnata, Kler (103) 
p. 81. 
Podocoryne carnea, distinct from Dysmorpkosa fulgurans , figg., notes, 
Woods Hole, Mass., Hargitt (86) p. 38 ; P. carnea , Firth of Clyde, 
Browne (24) p. 755 ; P. denhami n. sp., fig., on Murex, resembling 
P. areolata, N. Ceylon, Thorn ley (171) p. 110. 
Polycanna forshalea , Valencia Harbour, M. & C. Delap (43) p. 13 ; P. 
rissoana, figg. ( = jEquora ), synons., discussion of genus, Monaco, 
JEquora forskalea , figg., Gascony Gulf, Maas (113) pp. 20-23. 
f Porospkcera globularis, P. patelliformis , paleon., Chalk of Taplow, 
Treacher & White, Quart. J. Geol. Soc. lxi, pt. 3, p. 468. 
Proboscidactyla Jiavicirrata var. stolonifera, figg., Manipa Is., note on 
genus, Maas (115) pp. 19-22; P. minima n. sp., fig., Gulf Manaar, 
Browne (26) p. 135. 
Prubotella n. gen. qrisea n. sp., Balearic Isles, Motz-Kossowska (124) 
pp. 76-80. 
Rathkea octonemalis n. sp., figg., close to R. fasciculata, Maas (113) 
pp. 11-13. 
t Retiolites geinitzii , Ug.-Villelongue, Silurien, Carez, Mem. Carte geol. 
France, Fasc. ii, p. 798. 
Rhegmatodes tenuis, American Coast, notes on variation in radial canals, 
gonads, tentacles, Hargitt, Biol. Bull, ix, 6, 1905, pp. 368-377. 
Rhopalouema velatum, Funchal, R. funerarium ( = Trachynema), Maas (113) 
pp. 27-30. 
R. velatum, fig., genus discussed, Celebes Sea, &c., R. cceruleum, figg., . 
measurements, Maas (115) pp. 51 & 52. 
Saphenia mirabilis , Valencia Harbour, M. & C. Delap (43) p. 13 ; S. 
mirabilis, Clyde, Browne (24) p. 773. 
Sarsia eximi, from Colony of Syncoryne eximia, dimensions, Firth of Clyde, 
S. gemmifera, hydroid unknown, Firth of Clyde, Browne (24) 
pp. 756-758. 
Sarsia qemmifera , S. eximia , S. prolifer a. S. tubidosa , Valencia Harbour, 
M. & C. Delap (43) p. 10. 
Schizotricha bifurca n. sp., fig., Antarctic, Hartlaub, Exp. Antarct. 
Belgica Zool. 1904, pp. 16 & 17. 
Sertularia , gen. defined, pp. 17-19, discussion of Order, S. cupressina, 
