BUSKIID^. 531 



Family Y. — Buskiidae. 



Vesiculariadje (part.), Alder. 



Zo(EciA contracted below, not continuous with the creeping 

 stolon, ivith an aperture on the ventral surface. 



Genus BUSKIA, Alder. 



Der. Named in honour of Prof. Busk. 

 BU.SKIA, Alder, Trans. Tynes. Nat. F. C. (1857). 



Generic Character. — Zo(ecia corneous, flask-shaped, 

 decumbent, adherent for a great part of their length, deve- 

 loped at intervals from a creeping tubidar stem ; a mem- 

 branous area on the ventral {or under) side immediately 

 beloiv the orifice. Polypide ivith a small number of ten- 

 tacles. Gizzard ? 



Several geuera contend for the honour of bearing 

 Mr. Busk's name ; but there seems to be no doubt that 

 Mr. Alder's Buskia Avas the first in the field. The well- 

 deserved tribute is enhanced in value, coming, as it does, 

 from so accurate and accomplished a student of the Inver- 

 tebrata. 



In this genus there is an " aperture " on the under or 

 ventral side of the zooecium, which is covered by a thinner 

 material than that of which the upper portion of the cell 

 is composed. This aperture corresponds with the similar 

 structure which we find in Triticella and Mimosella, and 

 represents the membranous area of the Cheilostomata, 

 on which the oral operculum is placed. It occupies the 

 whole space between the terminal orifice and the point at 



2m '^ 



