Al'ODA. 425 



adhering in a cluster to the side of the glass. They did not leave her 

 body until the hour of her death : they have increased very little in size 

 in the last four months." 



E. vulgaris, Johnst. 



Four individuals of this species found among subaquatic plants at Lough 

 Neagh on the occasion already alluded to were brought home for examina- 

 tion. They were not more than half the size of those figured by M.- 

 Tandon, nor of so dark a hue generally — anteriorly they were somewhat 

 hyaline. They each j^ossessed eight eyes, which changed their places like 

 objects in a kaleidoscope ; their usual position was, the four anterior in a 

 straight line across the body, and so they always appeared when /' \ 

 the anterior portion of the body was pressed against the phial j ° * ' * 1 

 in the act of progression : the hinder pairs of eyes generally ap- \" "\ 

 peared as here represented, or across the body, but occasionally displayed 

 themselves in the opposite direction thus, and the anterior eyes rrm 

 were then seen as figured, the head of the creature at the same . 

 time having quite a truncated aspect. Of several species of '' 

 " Hirndinees " brought from L. Neagh and kept alive for a few weeks, 

 this was the only one that exhibited the power of swimming ; it was ex- 

 tremely active, and wriggled about through the water like an Ammoccetes 

 — it was truly " as merry as a grig." 



August 20, 1846. — Among the Hydrce, &c. alluded to under Planaria 

 nigra as brought from the Phoenix Park, Dublin, was an individual of 

 this species : — the water from which it was taken for examination to-day 

 had been kept unchanged for three months in a large glass globe. 



Gemis Glossipora. 

 G. tuherculata, Johnst. 

 Neighbourhood of Coleraine, Mr. James Bryce, jun. 



G. hyalina, Johnst. 



Ballydrain Lake, &c., near Belfast, W. T. ; Leamington, Warwick- 

 shire, W. T. 



G. hioculata, Miill. 

 North of Ireland, Mr. Templeton. 



Genus Glossiphonia. 

 G. Eachana, Thompson. 



Specific Character. — " Body oval ; anterior portion not dilated into a 

 distinctly-formed head ; back smooth ; " margin slightly crenulate ; eyes 

 eight ; stomachal lobes eight, subpinnate ; prevailing hue hyaline. 



The size commonly extends to 9 lines. The eight eyes are disposed in 

 four pairs, each pair on the same segment of the body, the two hinder 

 pairs the larger ; eight pair stomachal lobes anterior to great stomachal 

 pouches, subpinnate — as much so as represented in G. mnr(jinnfa, Moquin- 

 Tandon, ])1. 14, f. 14, 2nd edit. — the two anterior pair arc small, and wlicn 

 empty but little apparent ; from each side of the stomaclial lobes emanate 

 four subpinnate branches which ajipear in a continuous row with the 

 stomachal lobes anterior to the pouches on each side. It may be re- 

 marked that the spur-like form of the stomachal pouches (see pi. I'J, fig. 

 6 c & (/, Moquin, 2nd edit.) was not always clearly defined, in which 



