172 THE ZOOLOGIST. 
on this part.” Bell, however, states that he had only two 
specimens. It is also said to have occurred at Dublin, Galway, 
Belfast, the Hebrides, South Devon, and the Adriatic Sea. 
Crangon trispinosus. 
Bell describes this species from Mr. Hailstone’s description, 
admitting that he himself had never seen a specimen. Its 
characteristic features are there stated to be three spinesonly 
on the thorax, one in the middle and one on each side of it; 
the colour being less clouded than that of the common shrimp, 
and with a sprinkling of golden blots. They were called by the 
men who caught them ‘‘ pug shrimps.” 
This species is elsewhere recorded from Shetland, Holy 
Island Harbour, Dublin, and South Devon. 
Crangon bispinosus. 
Bell’s description of this species seems to be a somewhat 
hesitating one, as it is a description by Mr. Hailstone of a single 
specimen which was found at Hastings in a heap of Filipora 
filigrana. It is stated to have some points of resemblance to 
C sculptus, except as regards size, which, however, does not count 
for anything, considering only one specimen was then seen. It, 
however, has a slightly different arrangement of spines on the 
thorax, having two prominent ones and a row of blunt notches; 
this would appear to be its specific feature, if it be indeed a 
permanent one. There have been, however, several records of a 
species under this name since, so the form, whether a species 
or variety, has been more established. 
Amongst the localities from which it is recorded are Shetland 
(where the record states “locally common’”’), Galway, Isle of Arran 
(rare), Durham and Northumberland coasts, and the Hebrides. 
Two specimens of this “rare species” are also stated to have 
been dredged in forty fathoms, forty to fifty miles off Tynemouth. 
C. bispinosus is said to be C. nanus of Kroyer. 
Crangon serratus. 
A species under this name has been described, and also 
recorded, from the Shetlands and Hebrides. 
In these short notes on the genus Crangon I have, I fear, 
expressed myself somewhat sceptically as to the number of 
