144 HISTORY OF BRITISH CRUSTACEA. 



tail lanceolate, with the apex pointed ; beak short, bluntly 

 triangular; antennal scale, nearly as long as the carapace. 

 Ireland, abounding in the river Lee (J. V. Thompson) ; 

 Weymouth (W. Thompson, who observed its ova to be 

 brownish) ; Bay of Findhorn and Canal of the Loch of 

 Spvnie (Rev. G. Gordon, who observes that in this locality, 

 in the autumn months, a continuous line of this species 

 may be observed miles in length) . Arnold's Pools, Guern- 

 sey (Rev. A. Norman). 



Mysis productus, Gosse."* Long Opossum Shrimp. — 

 Elongate, slender. Beak lanceolate, nearly twice as long as 

 the eyes. Peduncles of inner antennae elongate, curving 

 outwards ; second and third joints together as long as the 

 first. Scale of outer antennas about half as long as the 

 carapace, strongly toothed. 



Weymouth Bay. 



Colour pale umber-brown, redder towards the tail, outer 

 tail-plate hyaline, with a large stellate spot of red on its 

 basal half. Eyes black. 



Mysis Griffiths^, Bell. — Middle plate of tail lanceo- 

 late, contracted near the base, tip pointed ; beak lanceolate, 

 much longer than eye-stalks ; antennal scale scarcely longer 

 than beak. 



* Ann. and Mag. Nat. Hist. 1853, p. 156. 



