154 Proceedings of the Royal Physical Society. 
XVI. Notes on a few Crustacea and Mollusca new to the Fauna. 
of the Forth, with Exhibition of Specumens. By THOMAS 
Scott, F.L.S. 
ip 
(Read 20th February 1889.) 
The Scientific Committee of the Scottish Fishery Board 
have kindly agreed to allow me to exhibit the following 
specimens to the Society :— 
SCHIZAPODA. 
Previous to the summer of 1887, four species of Schizapods 
were known to occur in the Firth of Forth, viz.: Boreo- 
phausia raschu, M. Sars; Nyctiphanes norvegica, M. Sars; 
Macropsis slabbert, Van Ben.; and Mysis flexuosa, Miiller. 
H. Goodsir described one or two forms, but the descriptions 
and figures are not precise enough to enable those forms to 
