PLUMATELLID.E : PLUMATELLA. 403 



1, 727. HassaU in Ann. and Mag. N. Hist, x, 153. G. J. Allman in Proc. R. 

 Irish Acad. an. 1843. W. Thompson, in Ann. Nat Hist v, 254. Allman in 

 Ann. and Mag. N. Hist xiii, 330. Naisa repens, Lamour. Coral. 98.* 



Fig. 76. 



Hob. " On the under side of stones. Lochmill-loch, Fife," Flem- 

 ing. " Not unfrequent in a rivulet of beautifully clear water, at 

 Norton, in the county of Durham," John Hogg, Esq. Tn a small 

 quarry pond in the parish of Stevenston, Ayrshire, Rev. D. Lands- 

 borough. In rejectamenta on the shores of Lough Erne, Sept. 1837, 

 W. Thompson. Near Glasgow, Dr. Scouler. In a pond in the vici- 

 nity of Cheshunt, A. H. HassaU. Bandon, Glandore, Dublin, G. J. 

 Allman. 



" Stem extending several inches, irregularly branched, slightly 

 enlarging towards the aperture, dilatable; tentacular margin di- 

 vided into two lobes, tentacula ciliated in opposite directions. Besides 

 a gullet, stomach, and gut, there is a distinct rectum, terminating in 

 a tubular orifice seated externally to the tentacular margin, out of 



* To this synonymy it may be useful to add the following, communicated to me, 

 along with a dried specimen of the polypidom, by J. Hogg, Esq. " A small piece 

 of it is figured in Schaff. Armpolyp. tab. i. fig. 1, 2, published in 1754. The next 

 representation of it is in tab. 19, fig. 1 5, in the Bulletin Philomatique (not Bull, 

 des Sciences Nat.) p. 157, no. 81, an 12 (de la Republique) == 1 804, belonging 

 to an extract from a memoir by Vaucher on the fresh- water Tubulariae : there fig. 1. 

 much resembles the polypary in its natural state, but the animal magnified is not 

 near so like as that figured in the former work : however neither plates do justice to 

 the polypes." 



DD 2 



