XX1 NYMPHONIDAE—PALLENIDAE 5397 
Miers (=. horridum, Bohm), an extraordinary hispid form 
from Kerguelen,’ is also peculiar. Pentanymphon, Hodgson 
(1904), from the Antarctic (circumpolar), differs in no respect 
save in the presence of a fifth pair of legs; one species. 
The only other genus is Paranymphon, Caullery (1896) 
(one species, Gulf of Gascony, West of Ireland, Greenland), 
which the palp is (6-)7-jointed, the ovigerous leg 8-jointed, and 
the auxiliary claws are absent. 
Fam. 7. Pallenidae.—As in Nymphon, but appendage II. 
absent or rudimentary. 
Pallene, Johnston (1837): about ten species (Mediterranean, 
North Atlantic, Arctic, Australa). P. danguida, Hoek, Australia, 
lacks auxiliary claws, and is otherwise distinct 
but P. novaezealandiae, G. M. Thomson, is ty heal 
Pseudopallene, Wilson (1878):° appendage III. 
clawed ; auxiliary claws absent; four (or more) 
species (North Atlantic, Arctic, Antarctic). PP. 
(Phouichilus) pygmaea, Costa (1836), and P. 
spinosa, Quatref., seem to belong to this genus or 
to Pallene. Cordylochele, G.O.Sars (1888): closely 
alhed, but with front of cephalic segment much 
expanded and chelae remarkably swollen, includes rahe ose eran 
three very smooth, elongated, northern species, to — drevirostris, John- 
which Bouvier has added one from the Antarctic ; ee Bo se 
Pallene laevis, Hoek, from Bass’s Straits, is 
somewhat similar. Neopallene, Dohrn (1881): as in Pallene, 
but with a rudimentary second appendage in the female, and no 
generative aperture on the last leg in the male (one species, 
Mediterranean). Parapallene, Carpenter (1892): as in Pallene, 
but without auxiliary claws, and with the two last segments of 
the trunk (which in Pallene are coalesced) independent (about 
1 Found by Sir John Ross’s expedition in 1840, and subsequently by the 
Challenger expedition and other visitors. 
2 Stebbing has recently shown (Knowledge, Aug. 1902, p. 157) that the genus 
Phoxichilus was instituted by Latreille (Nowy. Dict. d’hist. nat. 1804) for the 
Pycnogonum spinipes of Fabricius, now Pseudopallene spinipes, auctt. Hence he 
changes Pseudopallene to Phowichilus, Latr., and Phoxichilidae and Phoxichilus, 
auctt., to Chilophoxidae, etc. ; it also follows that the family known to all 
naturalists as Pallenidae should, according to the letter of the law of priority, 
be henceforth known as the Phoxichilidae. In my opinion this is a case where 
strict adherence to priority would serve no good end, but would only lead to great 
and lasting confusion (cf. Norman, J. Linn. Soc. xxx., 1908, p. 231). 
