26 Vermes. 
VI. Vermes. 
[1921] 
(/) Echiuroidea. 
Archibonellia Mjiibergi sp. n. Aus- 
tralia; Fischer Stockholm Vet.-Ak. 
Handl. 61 No. 8 p. 6 figs. 3-6. 
Urechis novae-zealandiae (Dendy) for 
Echiurus n.-z., Dendy; Poche Arch. 
Natgesch. Abth. A 86 H. 9 p. 103 
2. GEPHYREA (SIPUNCULOIDEA). 
Aspidosiphon pygmaeus sp. n. Juan 
Fernandez, Fischer the nat. hist, of 
Juan Fernandez 3 P. 1 p. 45 1 fig. 
3. PHORONIDEA. 
[Vacant.] 
4. PTEROBRANCHIATA. 
Cephalodiscus densus “ Challenger” 
material from Kerguelen Island, 
described ; Ridewood Ann. Mag. 
Nat. Hist. ser. 9 8 pp. 433-440 pi. 
xii. 
Rhabdopleura, notes on species and 
occurrence, R. annulata sp n., New 
Zealand ; Norman Brit. Antarctic 
(“ Terra Nova ”) Exped. 1910 Nat. Hist. 
Rep. Zool. 4 p. 98 text-figs. 3-6. 
