PYCNOnONIDEA. 
Araclin, 51 
PYCNOGONIDEA. 
Boiim, R. liber die Pycnogouiden des Kgl. zoologischen Museums in 
Berlin, insbesondere iiber die von S. M. S. ‘ Gazelle’ mitgebrachten 
Arten. MB. Ak. Berl. 1879, pp. 170-195, 2 pis. 
The first pair of cephalic appendages, well developed in the larva, is 
sometimes reduced later on in some genera, according to the same author, 
SB. nat. Fr. 1879, pp. 55 & 140. 
Nymphon gracilipes (Micrs, 1875), p. 170, pi. i. fig. 1, Kerguelen Island, 
distinct from the arctic gracilipes (Heller, 1878), phasmalodes^ sp. n., 
p. 173, fig. 2, S.W. of Cape of Good Hope, 50 fath , horridum, sp. n., 
p. 175, fig. 3, Kerguelen Island, 15-65 fath., Bohm, 1. c. 
Tanystylum^ g. n. Mandibles reduced to a single joint ; abdomen with 
slender styliform termination. For Nymphon styligerum. Micrs (1875), 
Miers, Phil. Tr. clxviii. p. 213, pi. xi. fig. 9, Kerguelen, on roots of 
MacrorycHs. 
Gnamptor [r] hynchus^ g. n. Rostrum thick, bent downwards ; ocular 
segment and abdomen very long ; first pair of cephalic appendages 
(“ Kieferfiihler ”), in the young state 3-jointed with two pincers, in the 
adult 2-jointed with rudimentary hand ; palpi 10- jointed ; oophores 11-' 
jointed, present in both sexes; first pair of feet 8-joiuted, the rest 9- 
jointed. G. ramipes, sp. n., Japan, Bohm, SB. nat. Fr. 1879, pp. 54-59, 
with woodcut. Distinct from A scorrhynchus (Sars) ; id. 1. c. p. 140, foot- 
note. 
Achelia Imvis (Hodge, 1864), specimens from Kerguelen Island ; Bohm, 
MB. Ak. Berl. 1879, p. 186, pi. i. fig. 5. 
Corniger, g. n. Rostrum long, first pair of appendages rudimentary, 
single-jointed, second (palpi) long and strong, 9-jointed, feet of moderate 
length, their eighth joint prehensile, ovisacs long, 10-jointed. C. hilgen- 
dorp,, sp. n., Enosima, Japan; id. 1. c. pp. 186-188, pi. ii. fig. 3. The 
name Corniger being preoccupied [Agassiz, 1829, Pisces], is changed into 
Lecyiho\r]rhynchu8, with L. armatus, sp. n. (with distinct 2-jointed first 
pair of cephalic appendages), found in the mouth of JIalientcea stellata, 
Japan ; id. SB. nat. Fr. [Nov.] 1879, pp. 140 & 141. 
Parazetes, g. n. Body slender, rostrum pendunculated, broad in the 
centre ; first pair of appendages 2-jointed, not chelate ; second pair (palpi) 
9-jointed ; ovigerous legs 10-jointed ; first (cephalic) segment sending 
forward a long, slender neck-like process towards the rostrum, on the 
middle of which the oculiferous tubercle is seated; legs smooth and 
slender. P. auchenicus, sp. n.. Cape Sima, Japan, Slater, Ann. N. H. (5) 
iii. p. 282 [April, 1879; probably the same as Corniger = Lecythorrhyn- 
chus, Bohm]. 
Pallene. On its distinctive characters from Phoxichilidium, the ovisacs 
being present only in the male ; Oomerus (Hesse) is not distinct from it. 
P.Jluminensis (Kroyer), Straits of Magellan and Coast of Patagonia, 30- 
42 fath., P. IPseudopallene, Wils.] lappa, sp. n., Ibo, Mozambique, on 
