74 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



Order ISOPODA. 



Group ABERRANTIA. 

 Tribe VAGANTIA. 

 Family TANAIDM. 



Genus Tanais, Andouin and Milne Edwards. 

 TANAIS vittatus, Rathke. 



Crassurus vittatus, Rathke, Nov. Act., 20, pi. i., fig. 7. 



Tanais vittatus, Lilljeborg, Bidr. t. Kann. om de in. 

 Sver. och Norr. Forek. Crust, af Isop. underord. och 

 Tan. fam. (Upsala, 1864), p. 24. 



Habitat. — Taken on the wood piles of Millport 

 pier among algae. Of the four specimens obtained, 

 two were with ova, and the young had only newly 

 left the egg-sacs of the other two. On the rocks 

 among sea-weed (Cladophora rupestris) near low- 

 water, Cumbrae ; Berwick Bay, Dr. Johnston ; and 

 Polperro, Mr. Loughrin. 



Genus Paratanais, Dana. 



paratanais rigidus, Spence Bate and Westwood. 



Paratanais rigidus, Spence Bate and Westwood, 

 Hist. Brit. Sessile-eyed Crust. (1868), vol. ii., p. 141. 



Habitat. — Taken at the roots of Laminaria saccha- 

 rina, in 7 to 8 fathoms, nea^the Tan Buoy, Cumbrae, 



paratanais forcipatus, Lilljeborg. 



Tanais forcipatus, Lilljeborg, Bidrag Isop. Tan. 

 fam., p. 25. 



Tanais Savignyi, Gosse, Mar. Zool., i., fig. 246. 



Zeuxo Westtvoodiana I Templeton, Trans. Ent. Soc. 

 Lond., ii., 203, pi. xviii. 



Habitat. — Taken on stones between tide -mark, 

 Cumbrae. They are most readily got by putting 

 the stones into a pail of water, when the animals 

 soon appear and float on the surface. Being quite 

 white they are easily seen, though very small. 



It has been taken in Plymouth Sound by Bate 

 and Westwood, and at Banff by Mr. Edward. 



