658 P^- Haktlavb, 



towards tlie base; orifice witli a thickened rim and with a deep 

 sinus at its apocauline side. 



Gonosome. — Gouangia springing- from the ang'les of tlie rami- 

 fication, ovoid. marked by wide traiisverse rugae towards the summit 

 and the base, 



Locality: Straits of Magellan. On an air-vesicle of Macrocystis 

 pyrifera. 



This is a delicate form, attaining a height of about 3 inches, 

 with a very thiu pellucid periderm. The gonanginm develops an acro- 

 cyst, the remains of which are visible in the specimen" (Ali.man, 1, c). 



Sertularella ejnscojnis Allm. 1874. 



In: Journ. Linn. Soc. London, ZooL, V. 12, p. 263, tab. 13, fig. 5 — 7. 

 Sertularia fmiformis Hütton 1872, in: Trans. New Zeal. Inst., V. 5, p. 257. 

 Sertidaria fnsiformis Coughteey 1875, ibid., V. 7, p. 285, tab. 20, 



fig. 21—23. 

 Sertulmia fudformis Pfeffer 1892, 1. c, p. 568. 



Ich zweifle nicht, dass Eidley, welcher 1881, 1. c, einige Exem- 

 plare der Alert-Expedition unter der Bezeichnung ^S". fusifonnis 



Hutton? (non Hincks) von Trinidad 

 Channel beschrieb, diese von Allman 

 ,,S. episcoims'''- benannte Species vor sich 

 gehabt hat. Ich gebe Eidley's kurze 

 Beschreibung hier wörtlich wieder und 

 bemerke, dass ich den von Ridlei im 

 letzten Satz ausgesprochenen Zweifel 

 an der Identität seiner Exemplare mit 

 der ALLMAN'schen Art nicht verstehe, 

 da doch Hutton's S. fnsiformis und 

 Allman's Exemplar beide von Neu- 



Fig'. W*. Sertularella episconus i i j. i • i -j i- i 



Allm. (Nach Allman.) Seeland stammen Und sicher identisch 



sind. 

 „This species {Sertularia fnsiformis Hutton? non Hincks) appears 

 to be represented hj four specimens. The growth is very strong 

 and the calicles large ('425 niillim in diameter at their middle) ; but 

 they should be described as quadridentate, though the inferior and 

 exterior teeth are very short. The crest, described by Coughtrey 

 on the upperside of the Gonangium, is here, at any rate, a tube 

 which opens in the side of the Gonangium. This is certainly not 



