63 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



the clay is seen to be closely perforated with small 

 holes, which at a depth of two or three inches bend 

 sharply round, returning' upwards nearly by the side 

 of the down-going- bore. This form of burrow most 

 likely serves as a means either of retreat or escape. 



I have seen the species burrowing in the soft 

 mud, which it does rather sluggishly. In this 

 operation it brings the points of the long antennae 

 together, and pushes them into the mud. The fore- 

 feet assist in widening the hole and turning the 

 mud sideways, and the hind feet throw it back- 

 wards ; the tail is carried at a downward angle, 

 pressing against the mud while forcing the animal 

 forward. 



It has also been recorded from Berwick by Dr. 

 Johnston ; from the Moray Firth by the Rev. G. 

 Gordon ; and from Loughor Marsh, Glamorgan, by 

 Bate and Westwood. 



corophium crassicorne, Bruzelius. 



Corophium crassicorne, Bruzelius, Skand. Amph. 

 Gamm. (1859), p. 15, pi. 1, fig. 2. 



? Corophium Acherusicum, Costa, R. sui Crost* 

 Amfip. del Regno di Napoli (1853), p. 232. 



Corophium spinicorne, Spence Bate, Cat. Amph. 

 Crust. Brit. Mus. (1862), p. 281. 



/ Corophium Bonellii, Milne Edwards, Ann. d. Sci. 

 Nat. Hist., t. xx. (1830), p. 385. $ . 



Habitat. — Plentiful in Balloch Bay, C umbrae, near 

 high-water, amongst the muddy roots of Zostera; 

 and taken in the surface - net after sunset ; also 

 taken in great abundance £ ? in a muddy brackish 

 shore pool, Little Cumbrae. In this case the males 

 seemed to predominate to some extent. 



Family CITELURIDJE. 

 Genus C ir E L u r a, Phillipi. 



CHELURA TEREBRANS, Phillipi. 



Chelura terebrans, Phillipi, Arct. f. Naturgesclu 

 (1839), v., p. 120, pi. hi., fig. 5. 



