VALKERIA TIVA. 553 



The polypidc affords a good illustration of the Campy- 

 lonciuidan structure (woodcut, fig. 33). It is interesting 

 to watch it issuing from its cell ; at such a time the pecu- 

 liarity in the tentacular wreath is very apparent. When 

 the pencil of tentacles is rising, as soon as it has reached 

 a certain point the two bent arms spring out, one at each 

 side, the rest continuing straight and folded together 

 until the whole bell expands. V. uva, especially in its 

 humbler form, is one of the commonest of our lit- 

 toral species, and may be readily obtained on the 

 Curullinti in rock-pools, over which it creeps in great 

 abundance. 



HABITAT. On various Fuci, Corallina, Sertularia pu- 

 mila, &c., and occasionally on shells, between tide-marks 

 and in shallow water ; rarely in deep water (form 

 cuscuta} . 



LOCALITIES. Form uva. Widely distributed. Cornwall 

 (Couch) : Guernsey and Jersey ; South Devon ; Ilfra- 

 combe; Menai Straits, on the larger Fuci, in immense 

 quantity (T. H.) : Northumberland (Alder) : Leith (Jame- 

 son) : coasts of Antrim and Down (W. T.) : Dublin Bay 

 (Hassall) : Belfast Bay, 20 fathoms, on Flustra foliacea 

 (Hyndman), &c. 



Form cuscuta. Isle of Sheppey (Farre) : Firth of Tay, 

 in brackish water (Fleming) : Leith (Jameson) : Ayr- 

 shire (Landsb.) : Peterhcad, very rare ; Wick, deep water ; 

 Norfolk ; Cornwall (C. W. P.) : Isle of Wight (W. T.) : 

 Guernsey (11. S. Cooper) : Mount's Bay ; Exmouth ; Tor- 

 quay, in rock-pools on Corallina', Plymouth, of remark- 

 able size ; Llanduduo ; Menai Straits, on the larger Fuci ; 

 Filey; Oban (T. H.) : Tenby (F. Walker) : Shetland (A. 

 M. N.) : Dublin Bay (Miss Ball) : co. Sligo (Mrs. Han- 

 cock) : Magilligan (Hvudman) : Belfast and Strangford 

 Loughs (W. T.). 



