REPOET ON THE AMPHIPODA. 395 



n. s., and Halimedon hrecicalcar, altered from Oediceros bremcalcar, Goiis ; Pontocrates 

 a new genus, with Oediceros norvegicus, Boeck, 1860, for the type, a species which was 

 named Kroyera (or Kroyera) arenaria, by Sp. Bate, and Hancock, in 1858 (see Notes 

 under that date) ; Pontocrates haplocheles, Grube, 1864 ; Aceros, Boeck, with the species 

 Aceros phyllonyx, M. Sars ; Halicreion lonyicaudatus, new genus and species ; Oedicejvpsis 

 brevicornis, Lilljeborg ; Paramphithoe, Bruzelius, 1859, to receive the species Ampliithopsis 

 glaber, Boeck, Paramphithoe media, Goes, Ainphithoe panopla, Kr0yer, Paramphitlwe 

 ptarva, n. s., Ampliithoe piulchella, Kr0yer, Amphithoe bicuspis, Kr0yer, all of which in the 

 later work are transferred to Pleustes, Sp. Bate, 1858. 



Subfam. XI. Iphimedinse, new, contains Vertummcs, White, 1847, altered in tlie later work to 

 Acanthonotozoma, here receiving the species Acanthonotus cristatus, Owen, Oniscus serratus, 

 O. Fabricius, and Aca?ithonotus inflatus, Kr0yer; Iphimedia obesa, Rathke; Odius, 

 Lilljeborg, 18G5, to receive Otus carinatus, Sp. Bate; Laphystius sturionis, Kr0yer, the 

 original spelling Lafystius being subsequently recognised. 



Subfam. XII. Epimerinas, new, has " Acanthozone n. g. (Acanthosoma, Owen)," for Oniscus 

 cuspidatus, Lepechin ; and Epimeria, Costa, for Gammarus corniger, Fabricius. 



Subfam. XIII. Dexamininse, new, receives Dexamine spinosa, Montagu, Dexamine thea, Boeck, 

 " Dexamine Heibergi," n. s.; and Lampra, new genus, afterwards named Tritaeta, for the 

 single species Atylus gibbosiis, Sp. Bate. 



Subfam. XIV. " Atylinae. Lilljeborg 1866," has, in the genus Atylics, Leach, 1817, the species 

 Gammarus carinatus, Fabr., Paramphithoe smitti. Goes, Amphithoe swammerdamii; 

 M.-Edwards, Dexamine vedlomensis. Bate and Westwood, " Atylus Nordlandicus," n. s.; 

 Pontogeneia, a new genus to receive Amphithoe inermis, Kr0yer ; Halirages, a new genus 

 for Dexamine bispinosus, Sp. Bate, Halirages borealis, n. s., Paramphithoe tridentata, 

 Bruz., Amphithoe fulvocincta, M. Sars; Calliopius, LiUjeborg, 1865, for Amphithoe 

 Ixviuscula, Kr0yer, and Amphithoe norvegica, Rathke; Amphithopsis, Boeck, 1860, with 

 " Amphithopsis Malmgreni," n. s., Amphithopsis long icaudata, Boeck, Ampthithopsis longi- 

 mana, n. s., and Ainphithoe latipes, M. Sars ; Cleippiides, a new genus for Acanthotwtus 

 tricuspis, Kr0yer ; " Laotlwes Meinerti," new genus and species. 



Subfam. XV. " Gammariuse. Dana 1849," contains Gammarus, Fabricius, 1776, with the species 

 locusta, Linn^, 1867, marinus. Leach, 1815, pulex., Pennant, 1777, and neglectus 

 (Lilljeborg), G. O. Sars, 1867,' in all of which the synonymy given demands attention; 

 Pallada, Spence Bate, 1862, in the later work spelt correctly Pallasea, with the single 

 species, Pallasia quadrispinosa (Esmark), G. 0. Sars, 1867; Mxra, Leach, for the species 

 Gammarus loveni, Bruzelius, Gammarus torelli, Goes, and Gammarus longima7ius, 

 Thompson ; Melita, Leach, for the species obiusata and palmata of Montagu, and for 

 Gammarus dentatus, Kr0yer; Elasmopiis, Costa, 1856, for Elasmopus latipes, n. s.; 

 CJieirocratus, Norman, 1865, for " Gammarus Sundewalli," Rathke, and Gammarus assimilis, 

 Lilljeborg; Gammaracanthus loricatus, Sabine; Nijihargus, Schi0dte, 1851, for Eriopis 

 elongata, Bruzelius ; Amathilla, Bate and "Westwood, for Gammarus sabini, Leach, Gam- 

 marus angulosus, Eathke, and Gammarus p)i)vjuis, Kroyer ; Melphidippa, a new genus to 

 receive Gammarus spinosus. Goes, and the new species longipes and borealis. 



Subfam. XVI. " AmpelisDinse. Spence Bate 1857," includes under Ampielisca, Kr0yer, 1842, the 

 species tenuicornis, Lilljeborg, assimilis, n. s., typica, Sp. Bate (according to G. 0. Sars, 

 Ov. Norg. Crust., p. 107, 1882, undoubtedly the male of teMuicornis), xquicornis, Bruzelius, 

 spinipes, Boeck, dubia, n. s., eschrirhti, Kr0yer, macrocepliala, Lilljeborg, propinqva, n. s., 

 Isevigata, Lilljeborg, a group of species which no doubt stands in need of some revision ; 

 under Haploops, Lilljeborg, 1855, tubicola, Lilljeborg, carinata, Lilljeborg, and setosa, 

 n. 8.; under Byblis, a new genus, the single species Ampelisca gaimardi, Kj0yer, 

 "1846?" 



