360 Rev. T. Hincks's Catalogue of Zoophytes 



of a quadrilateral figure, open in front, whose length consider- 

 ably exceeds its breadth ; the sexual organs are of a yellowish- 

 brown hue, passing into dark brown at the posterior part, and 

 have a longitudinal septum in the middle. 



[To be continued.] 



XL. — A Catalogue of the Zoophytes of South Devon and South 

 Cornwall. By the Rev. Thomas Hincks, B.A. 



[Concluded from vol. ix. p. 475.] 



Appendix. 



Classification. — In the Introduction to this Catalogue I have 

 adopted Prof. Huxley's Systematic Arrangement of the Hydro- 

 zoa. I am now convinced, however, that the groups to which he 

 has assigned respectively the names Hydrida, Corynidce, and 

 Sertulariadce are not entitled to ordinal rank, but should merely 

 be regarded as families. I therefore propose to classify the 

 Hydroid polypes, with Johnston, under one order, Hydroida, 

 and to distribute them into the following families: — 1. Tubula- 

 riada (embracing both the Tubulariada and the Corynidce of 

 Johnston) ; 2. Campanulariadce ; 3. Sertulariadce ; 4. Hydrides. 



Addenda. 



Class HYDROZOA. 



Order HYDROIDA. Fam. Tubulariadae. 



Eudendrium, Ehrenberg. 



1. E. rameum, Pallas. 



"On Pinna ingens, south of the Deadman Point" (Couch). 



2. E. capillare, Alder. 



Additional habitat : near Polperro, Cornwall. 



The specimens received from this locality bear female capsules, 

 which have not hitherto been noticed. They are ranged round 

 the lower portion of the body of the polype, and bear a general 

 resemblance to those of other species of Eudendrium. 



Mr. Alder, in the Supplement to his Durham and Northum- 

 berland Catalogue, refers this species to the genus Dicoryne. 

 At present I feel doubtful as to its true position. There is much 

 difficulty in classifying the Tubulariadae; and the existing genera 

 will require thorough revision. 



