AMPHIPODA. 
213 
fig. parasiticus^ p. 147, pi. iii. fig. 3, living within Spongia 
haicalensis (Pall.), radoszlcoioslcii, p. 149, pi. xiii. fig. 3, grewingldi^ 
p. 150, pi. ii. fig. 4, reicherti^ p. 152, pi. xiii. fig. 4, and solskiii 
p. 153, pi. iii. fig. 2. 
b. Appendage of the flagellum uni-articulate : — 
G. czyrniansJcii, p. 153, pi. ix. fig. 5, asper, p. 155, pi. xiii. fig. 1, 
taczanowskii, p. 156, pi. xiv. fig. 9, latior, p. 158, pi. iv. fig. 6, 
latiis, p. 159, pi. iv. fig. 5, tuberculatus, p. 161, morawitzi, p. 163, 
smaragdinus, p. 164, pi. xi. fig. 6, with var. intermedins , zehra^ 
p. 166, pi. xiv. fig. 7, littoraliSy p. 168, pi. xiv. fig. 2, inflatus^ 
p. 169, pi. xii. fig. ^^p^dlus^ p. 170, pi. xi. fig. 4, talitroides, p. 171, 
pi. xiv. fig. 5, fixseni^ p. 172, rugosus, p. 174, pi. xiv. fig. 8, 
puella, p. 175, glaher, p. 176, pi. xiv. fig. 6, vortex, p. 178, pi. ix. 
fig. 4, wahli, p. 179, with platy cents, Iclulci, p. 181, pachytus, 
p. 182, with var. dilatatus, andjperZa, p. 184. 
These new species, and several already named by Pallas & Gerstfeldt, 
are exactly described, and important structural differences between them 
pointed out ; but, as the author has not had access to the more recent pub- 
lications on the GammarUhv,, ho has boon compelled to rofor thorn all to 
the genus Gammarus. G. cancelloides var. europoeus (Kessler), from Lake 
Onega, in Russia, differs from cancelloides (Gerst.), and is here described 
as G. hessleri var. europceus, p. 133. 
Constantia, g. n. Both pairs of antennse transformed into organs of 
locomotion, being somewhat flattened, the bristles arranged somewhat 
like a plume, and wanting all organs of specific sensation. G. hraniclcii, 
sp. n., with var. alexandH, id. 1. c. pp. 50 & 186, pi. iii. figs. 6 & 7, Lake 
Baikal. 
[^NipTiargus'] Gammarus puteanus (Koch), found at Keuchatel in wells, 
32 mm. long, without the antennas, which reach a length of 15 mm. P. 
Godet, Bull. Soc. Neuch. ix. pp. 153-155, woodcut. 
Amatliilla sahini (Leach) and pinguis (Kroyer), from E. Greenland, 
fully described by Buchholz, 1. c. pp. 346-356, pis. viii. figs. 1 & 2, ix. 
figs. 1 & 2. A, heuglini, sp. n., id. I c. p. 345, note, Spitzbergen. 
Ampelisca eschricliti (Kroyer) = ingens (Stimps.), from E. Greenland, 
10 fathoms, described ; id. 1. c. pp. 375-377, pi. xiii. fig. 1. 
Microprotopus maculatus (Norman) described by Sterring, Ann. N. H. 
(4) xiv. p. 12, pi. xii. fig. 5. 
Microdeutopus versiculatus, sp. n., $ , id. ibid. pi. i. fig. 2, Salcombe 
Harbour. 
Gammarella normani (Sp. Bate & Westw.) = brevicaudata (Norm.), 
5 ; id. 1. c. p. 13, pi. ii. fig. 3. 
AmphitJioe cuniculus, sp. n., Torquay, and (Mont.), described ; 
id. 1. c. pp. 112 & 113, pi. xi. figs. 1 & 2. 
Synamphithoe gammaroides (Sp. Bate, as Amphithqe) and conformata 
(Sp. Bate) described; id. 1. c. pp. 114 & 116, pis. xi. fig. 3, xii. figs. 3 
6 4. 
Podocerus anguipes (Kroyer), common at E. Greenland, fully described 
by Buchholz, 1. c. p. 578, pis. xiii. fig. 2, & 7, xiv. 
