ZOOPHYTOLOGY. 95 



Between Farrella {Laguncula) elongata, V. B. (Rech. sur 

 les Brjozoair.), p. 26, PI. II. (Z»), of which an outline sketch 

 (reduced from the original figure) is given in Plate VI., fig. 4, 

 and F. gigantea^ the difference is sufficiently obvious. This 

 species has not yet, so far as I am aware, been observed upon 

 the British coast, though it will in all probability be found 

 to be a native. 



The only situation in which F. gigantea has as yet been 

 met with is in the neighbourhood of Tenby, and there chiefly 

 in a cave in St. Catherine's Isle, which is only open at spring 

 tides. In the autumn of 1854 the walls of this cave were 

 in parts densely covered with this Polyzoan, growing in a 

 close and thick pile, but inconspicuous among the numerous 

 Sponges and minute vermidoms of similar colour and aspect, 

 with which the surface of rock is covered. In the present 

 year, however, the species is far less abundant in the same 

 locality. 



The species, as has been said, is remarkable for the 

 gigantic size of the cells, which are often more than 1-lOth 

 of an inch in length. The polypide, however, is not beyond 

 the average size in other Polyzoa. It has from 20 to 30 long 

 slender, highly flexible tentacles. 



Gen. 2. Anguinella, V. B. Eech. sur les Bryoz., p. 58. 

 Char. Cells tiibulous, cylindrical, supported on a common stem (one 

 springing from the base of another). 



A.palmata,N.V,. PI. VI., figs. 1, 2. 

 The only species — 



A. pahnata, V. Bened. Rech. sur les Bryoz., p. 58. PI. VII,, figs. 



18, 24. 



Hab. Ostend, Van Beneden ; Britain, Busk ; Eiver Deben, Suffolk ; 

 Tenby ; Charleston, S. Carolina, U. S., Harvey. 



The very peculiar conformation of the polyzoary in this 

 species at once distinguishes it from all its congeners. It is 

 farther distinguished from most of them by the constitution 

 of the ectocyst, which contains imbedded in a soft, or rather 

 flocculent substance, so large a quantity of argillaceous and 

 silicious matter, that when exposed to the flame of a spirit 

 lamp, it is converted into a kind of red earthenware, retaining 

 its pristine form and dimensions, or nearly so. 



It grows to a large size ; many tufts or bunches reaching 

 three or four inches in length. It is found on dead or living 

 shells, and on stones, and closely resembles a small Fucus 

 covered with mud. This peculiar colour and habit have 

 probably been the reason that it has so long escaped notice 

 on our coasts, where it will, in all probability, be found to 



