FLORAL TAILS 300 
Anthura gracilis (Montagu) was first found on the 
coast of South Devon. <Anthura tenwis (Harger) is a 
closely allied species found in the United States. The 
New Zealand species Anthura flagellata, Chilton, was 
included in the genus with hesitation, owing to the mis- 
description in the ‘ History of the British Sessile-eyed 
Crustacea,’ in which the uropods are said to be attached 
to the fifth instead of the sixth segment of the pleon. 
Paranthura Costana, Bate and Westwood, should be called 
Paranthura mgropunctata(Lueas). ‘ Anthura gracilis,’ Milne- 
Edwards, though agreeing with this species in the shape 
of the telson, has the first five segments of the pleon fused 
asin Anthura. Calathura brachiata (Stimpson) has been 
traced ‘ from the east coast of America, across the Atlantic, 
between Shetland and Faroe, off Norway, Scotland, and 
Ireland, and between the south of England and the Bay 
of Biscay.’ It has been taken as deep down as 1,560 
fathoms. It is well marked by a dorsal impression on the 
fourth, fifth, and sixth segments of the peraeon, and by 
the great size, attaining a length of one inch and an eighth. 
It is the largest known species of the family. 
Cyuthura carinata (Kroyer) has been described under 
various names from the coasts of the United States, and 
from Denmark, but not hitherto from any part of Great 
Britain. 
Anthelura abyssorum, Norman and Stebbing, dredged 
by the Valorous, justifies its name by the depth of 1,750 
fathoms from which it was obtained near the entrance of 
Davis Strait. Hyssura producta, of the same authors, 
refers in the generic name to the spear-shaped telson and 
in the specific to the linear form of the animal. Many of 
the generic names in this family refer to the peculiar cup- 
shaped or calyx-like arrangement of the caudal fan. 
Cruregens, ‘leg-wanting, alludes to the retention of a 
larval character in the absence of the last pair of perzo- 
pods. Cruregens fontanus, Chilton, is the only known 
species in this family that is not marine. Mr. Charles 
Chilton obtained it from a well of fresh water at Eyreton 
in New Zealand, together with four other new subterra- 
