GEPHYREA. 
Verm. 35 
Echiurus pallasi , Morsdal Fjord, beach, Nordgaard (315) p. 164. 
Onchnesoma , gen. defined ( = Petalostoma Levinsen), 0. steenstrupii figg., 
synons., W. Norway, correction of other describers, rectum in whole 
proboscis length, 0. squamatum , figg., synons., W. Norway, correcting 
Solonka’s viow, Th^el, Svenska Ak. Handl. xxxix, 1905, pp. 10, 13, 
93-98. 
Pelagospheera n. gen. aloysii n. sp., Australian Pacific, descript., 
Mingazzini, Atti Acc. Lincei xiv, p. 715, figg. 
Phascolion, gen. defined (= Tylosoma Danielssen), morphol. retractor 
muscles, Ph. hedceum , Ph. lucifugax , Ph. strombi , figg., synons., Arctic, 
variable, cf. other forms, Ph. tuberculosum , figg., synons., W. Sweden, 
correction of former descript., Th^el, Svenska Ak. Handl. xxxix, 
p. 10, 12-18, 89, 90, 1905. 
Phascolosoma, gen. defined ( = 8tephanostoma Danielssen), synopsis of spp. 
and morphology, pp. 57-86, Section “ abyssorum,” p. 74, Ph. vulgare , 
figg., W. Norway, Greenland, Ph. elo?igatum, figg., W. Sweden, Ph. 
margaritaceum, figg., synons., two forms, Jinmarchia , sibirica, Ph. 
nanseni , figg., synons., forms, occidentalism Spitzbergen, orientalism 
Siberia, Ph. trybonii, figg., n. sp. ?, Ph. procerum ( = pyriforme), W. 
Sweden, calcareous deposit on skin, Ph. eremita, figg., synons., 
Arctic circle, var. of tentacles, Ph. abyssorum , W. Norway, figg., Ph. 
lilljeborgiim Arctic Seas, Ph. glacial N. Atlantic (= Onchnesoma 
Danielssen), Ph. sabellarice n. sp., figg., W. Sweden, Ph. improvisum f 
possibly other sex to sabellanc e, W. Sweden, Ph. sarsii n. sp., fig., 
Norway, Ph. ancejps n. sp., Greenland, figg., synons. pp. 74-86, ThIcel, 
t. c. 1905 ; Ph., Norway, Kler, Nyt Mag. Naturv. xlii, 1, p. 65j 1904 ; 
Ph. glaucum n. sp., fig., Zanzibar, Ph. icasini n. sp., Brit. East Africa, 
Lanchester, P. Z. S. 1905, i, pt. 1, p. 32 ; Ph. pyriformis n. sp., 
Penang, fig., id. 1. c. p. 39; Ph. novce-zealandice n. sp., figg., Benham 
( 23) pp. 300-303 ; Ph. vulyarem Singapore, note correcting previous 
descriptions, Zanzibar, with Polyzoan Loxosoma , Ph. pellucidum , 
Singapore, with Loxosoma attached, note on descriptions, Lanchester, 
P. Z. S. 1905, i, pt. 1, p. 28. 
Phymosoma scolops adenticulatum n. var., fig., Red Sea, Ph. meteori n. sp., 
Tadjourah, m Uirciniam HfsRUBEL, Bull. Mus. Paris 1904, No. 7, 
pp. 776-778, fig, 
Pkyscosoma lovenii ( = Phascolosoma of Koren & Danielssen), W. Coast, 
Norway, figg., possibly same as Mediterranean form, Th^el, Svenska 
Ak. Handl. xxxix, 1905, pp. 9, 10, 16-52 ; Ph. annulatumm New 
Zealand, redescript., footnote on variety, Benham, Tr. N. Zealand 
Inst, xxxvi, pp. 173-176 ; Ph. scolops , note, Malay, p. 28, Ph. 
evisceratum n. sp., Zanzibar, p. 31, Ph. lurco, Malay, note, Ph. 
socium n. sp., near Ph. pseoronm Penang, fig., Ph. gaudens n. sp., 
Penang, pp. 37 & 38, Lanchester, P. Z. S. 1905, i. 
Ptychodera crythrceam figg., amplifying Spengel’s description, Red Sea, 
Gravier. Bull. Soc. Phi lorn. Ser. 9, vii, p. 69 ; P. erythrceam redescrip- 
tion of Spengel’s Balanoglossns , figg., Red Sea, Gravier, Bull. Mus. 
Paris 1905, pp. 46-51 ; P. erytlircea, Spengel (405). 
Sipunculoidce , a classification of the distribution of different types of 
tegumentary prominences, H^rubel, Bull. Soc. zool. France xxx, 7, 
pp. 90-97, 1905. 
Sipunculus , gon. defined (= Phallosoma Levinsen), morphol., Bipuncidus 
priapuloides , figg., Norway, W. Coast, N. Sea, ? sense organ, glands, 
S. n >rvegicus, Norway, W. Coast, query as to distinct sp., ThJsel, 
Svenska Ak. Handl. 1905, xxxix, pp. 9, 11-16, 52-56 ; S. gravieri 
H. sp., fig., near to S. mundanus , Red Sea, S. bonhourei n. sp., 
Tadjourah, rock clefts, near to 8. edulis , Hicrubel, Bull. Mus. Paris 
1904, No. 7, pp. 77-80 ; 8. gravieri n. sp., Red Sea, fig., anatomy, 
